Some time ago, scientists began experiments to find out (31)______ it would be possible to set up a "village" under the sea. A special room was built and lowered (32)______ the water of Port Sudan in the Red Sea. For 29 days, five men lived (33)______ a depth of 40 feet.
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40 Times People Got Into Accidental Science Experiments And Here Are The Best Ones. Liucija Adomaite and. Justinas Keturka. It's no secret that some of the biggest things in human history were discovered utterly by accident. Penicillin and X-rays, to name just a few, are among them. Of course, it doesn't mean that game-changing inventions
In 1953, a graduate student named Stanley Miller mixed four simple chemicals, methane, ammonia, hydrogen and water, in glass tubes, heated them up and shocked them with electricity to mimic
Bernard established animal experimentation as part of the standard scientific method. Drug testing using animals became important in the twentieth century. In 1937, a pharmaceutical company in the USA created a preparation of sulfanilamide, using diethylene glycol (DEG) as a solvent, and called the preparation 'Elixir Sulfanilamide'.
Some time ago, scientists began experiments to find out (16) _____ it would be possible to set up a "village" under the sea.
Coronavirus. Scientists were close to a coronavirus vaccine years ago. Then the money dried up. "We just could not generate much interest," a researcher said of the difficulty in getting funding
6zOSz. Some time ago, scientists began experiments to find out ……1……. it would be possible to set up a "village" under the sea. A special room was built and lowered into the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a ........... lower level, another two divers stayed for a week in a smaller "house". On returning to the surface, the men said that they had experienced no difficulty in breathing and had made many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of cultivating the seabed. He said that some permanent stations were to be ….……. under the sea, and some undersea farms would provide food for the growing population of the nhật ngày 28-11-2022Chia sẻ bởi Ly a longSome time ago, scientists began experiments to find out ……1……. it would be possible to set up a "village" under the sea. A special room was built and lowered into the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a ........... lower level, another two divers stayed for a week in a smaller "house". On returning to the surface, the men said that they had experienced no difficulty in breathing and had made many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of cultivating the seabed. He said that some permanent stations were to be ….……. under the sea, and some undersea farms would provide food for the growing population of the đề liên quanSome time ago, scientists began experiments to find out …………. it would be possible to set up a "village" under the sea. A special room was built and lowered into the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a .......2….... lower level, another two divers stayed for a week in a smaller "house". On returning to the surface, the men said that they had experienced no difficulty in breathing and had made many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of cultivating the seabed. He said that some permanent stations were to be ….……. under the sea, and some undersea farms would provide food for the growing population of the time ago, scientists began experiments to find out …………. it would be possible to set up a "village" under the sea. A special room was built and lowered into the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a ........... lower level, another two divers stayed for a week in a smaller "house". On returning to the surface, the men said that they had experienced no difficulty in breathing and had made many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of cultivating the seabed. He said that some permanent stations were to be ….…3…. under the sea, and some undersea farms would provide food for the growing population of the life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely most important reason why people move to the city is that ………….A to look for a better life B to look for a complicated life Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely to the passage, the city life can offer city dwellers all of the following things EXCEPT A friendly communication with neighbours C a variety of jobs in different fields Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely is the main idea of the passage?B people do morning exercise in public parks because they have much free people leave the countryside because life there is most of the urban dwellers have low income. Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely and modernization may lead to A some changes in the fact that women no longer wear ao the disappearance of Western-styled clothes. Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely word "impact" in paragraph 2 is closest in meaning to .I don’t have a map, so I can’t show you the I would show you the way if I had a map. B Unless you give me a map, I won’t show you the I would have a map if I showed you the way. D Unless you have a map, I can show you the of his tiredness, Nam couldn't finish his Nam couldn't finish his homework because he was Nam couldn't finish his homework because he is Nam could finish his homework, so he was tired. D Nam couldn't finish his homework because he was a pity that this school year will not finish as I wish that this school year would finish as plannedB I wish that this school year finished as planned. C I wish that this school year will finish as I wish that this school year would not finish as is better at English than Linh doesn't learn English so well as Nam Nam learns English worse than Nam isn’t as good at English as Linh isn’t as bad at English as took shelter in a store …………. the rainstorm. I’m fluent …………..three letter A, B, C, or D to indicate the word OPPOSITE in meaning to the underlined petrol prices keep going up like this, I’ll have to use a bicycle. Peter “I'm taking my TOEFL test tomorrow.”Daisy “…………..”Have you ever considered…………….a pharmacist?
A century ago, people needed help to understand science. Much as they do today. Then as now, it wasn’t always easy to sort the accurate from the erroneous. Mainstream media, then as now, regarded science as secondary to other aspects of their mission. And when science made the news, it was often then as now garbled, naïve or dangerously misleading. Scripps, a prominent newspaper publisher, and William Emerson Ritter, a biologist, perceived a need. They envisioned a service that would provide reliable news about science to the world, dedicated to truth and clarity. For Scripps and Ritter, science journalism had a noble purpose “To discover the truth about all sorts of things of human concern, and to report it truthfully and in language comprehensible to those whose welfare is involved.” And so Science Service was born, 100 years ago — soon to give birth to the magazine now known as Science News. In its first year of existence, Science Service delivered its weekly dispatches to newspapers in the form of mimeographed packets. By 1922 those packets became available to the public by subscription, giving birth to Science News-Letter, the progenitor of Science News. Then as now, the magazine’s readers feasted on a smorgasbord of delicious tidbits from a menu encompassing all flavors of science — from the atom to outer space, from agriculture to oceanography, from transportation to, of course, food and nutrition. In those early days, much of the new enterprise’s coverage focused on space, such as the possibility of planets beyond Neptune. Experts shared their views on whether spiral-shaped clouds in deep space were far-off entire galaxies of stars, like the Milky Way, or embryonic solar systems just now forming within the Milky Way. Articles explored the latest speculation about life on Venus here and here or on Mars. Regular coverage was also devoted to new technologies — particularly radio. One Science Service dispatch informed readers on how to make their own home radio set — for $6. And in 1922 Science News-Letter reported on an astounding radio breakthrough a set that could operate without a battery. You could just plug it in to an electrical outlet. To celebrate our upcoming 100th anniversary, we’ve launched a series that highlights some of the biggest advances in science over the last century. Visit our Century of Science site to see the series as it unfolds. Much of the century’s scientific future was presaged in those early reports. In May 1921, an article on recent subatomic experiments noted the “dream of scientist and novelist alike that man would one day learn how … to utilize the vast stores of energy inside of atoms.” In 1922 Science Service editor Edwin Slosson speculated that the “smallest unit of positive electricity” the proton might “be a complex of many positive and negative particles,” a dim but prescient preview of the existence of quarks. True, some prognostications did not age so well. A 1921 prediction that the United States would be forced to adopt the metric system for commercial transactions is still awaiting fulfillment. A simple, common, international auxiliary language — “confidently predicted” in 1921 to become “a part of every educated person’s equipment” — remains unestablished today. And despite serious considerations of calendar reform by astronomers and church dignitaries reported in May 1922, well over 1,000 of the same old months have since passed without the slightest alteration. On the other hand, “the favorite fruit of Americans of the generations to follow us will be the avocado,” as predicted in 1921, is possibly arguable, though there was no mention of toast — just the suggestion that “a few crackers and an avocado sprinkled with a little salt make a hearty and well-balanced lunch.” One happily false prognostication was the repeated forecast of the rise of eugenics as a “scientific” endeavor. Subscribe to Science News Get great science journalism, from the most trusted source, delivered to your doorstep. “The organization of an artificial selection is only a question of time. It will be possible to renew as a whole, in a few centuries, all humanity, and to replace the mass by another much superior mass,” a “distinguished authority on anthropo-sociology” declared in a Science Service news item from 1921. Another eugenicist proclaimed that “Eugenic Science” should be applied to “shed the light of reason on the primeval instinct of reproduction,” so that “disgenic marriages” would be banned just as bigamy and incest are. In the century since, thanks to saner and more sophisticated knowledge of genetics and more social enlightenment in general, eugenics has been disavowed by science and is now revived in spirit only by the ignorant or malevolent. And during that time, real science has progressed to an elevated degree of sophistication in many other ways, to an extent almost unimaginable to the scientists and journalists of the 1920s. It turns out that the past century’s groundbreaking experimental discoveries, revolutionary theoretical revelations and prescient speculations have not eliminated science’s familiarity with false starts, unfortunate missteps and shortsighted prejudices. When Science Service now Society for Science launched its mission, astronomers were unaware of the extent of the universe. No biologist knew what DNA did, or how brain chemistry regulated behavior. Geologists saw that Earth’s continents looked like separated puzzle pieces, but declared that to be a coincidence. Modern scientists know better. Scientists now understand a lot more about the details of the atom’s interior, the molecules of life, the intricacies of the brain, the innards of the Earth and the expanse of the cosmos. Yet somehow scientists still pursue the same questions, if now on higher levels of theoretical abstraction rooted in deeper layers of empirical evidence. We know how the molecules of life work, but not always how they react to novel diseases. We know how the brain works, except for those afflicted by dementia or depression or when consciousness is part of the question. We know a lot about how the Earth works, but not enough to always foresee how it will respond to what humans are doing to it. We think we know a lot about the universe, but we’re not sure if ours is the only one, and we can’t explain how gravity, the dominant force across the cosmos, can coexist with the forces governing atoms. It turns out that the past century’s groundbreaking experimental discoveries, revolutionary theoretical revelations and prescient speculations have not eliminated science’s familiarity with false starts, unfortunate missteps and shortsighted prejudices. Researchers today have expanded the scope of the reality they can explore, yet still stumble through the remaining uncharted jungles of nature’s facts and laws, seeking further clues to how the world works. To paraphrase an old philosophy joke, science is more like it is today than it ever has been. In other words, science remains as challenging as ever to human inquiry. And the need to communicate its progress, perceived by Scripps and Ritter a century ago, remains as essential now as then. Trustworthy journalism comes at a price. Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need your financial support to make it happen – every contribution makes a difference. Subscribe or Donate Now
Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks from 1 to time ago, scientists began experiments to find out 1______ it would be possible to set up a “village” under the sea. A special room was built and lowered 2______ the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a 3______ lower level, another two divers stayed for a week in a smaller “house”. On returning to the surface, the men said that they had experienced no difficulty in breathing and had 4______ many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of 5______ the seabed. He said that some permanent stations were to be set up under the sea, and some undersea farms would provide food for the growing population of the world.
William Beal, standing at center, started a long-term study on seed germination in 1879. He buried 20 bottles with seeds in them for later researchers to unearth and plant. Michigan State University hide caption toggle caption Michigan State University William Beal, standing at center, started a long-term study on seed germination in 1879. He buried 20 bottles with seeds in them for later researchers to unearth and plant. Michigan State University A biologist who has been watching a dozen bottles of bacteria evolve for nearly a quarter of a century is hoping he can find someone to keep his lab experiment going long after he dies. Meanwhile, just by coincidence, a botanist who works across campus is carefully tending an experiment that started before he was born, all the way back in 1879. These two researchers, both at Michigan State University in East Lansing, represent different sides of an unusual phenomenon in science experiments that outlive the people who started them. Most researchers design studies to churn out results as quickly as possible. But because nature can work on vast time scales, some questions can take longer to answer than any one scientist's career. Richard Lenski began his evolution experiment in 1988 with a simple question Does evolution always lead to the same end point? If he started with 12 identical flasks, full of identical bacteria, would they all change over time in the same way? Or would random mutations send each bottle's population spinning off in a different direction? Richard Lenski examines the growth of bacteria on a plate on Jan. 12. He began an evolution experiment in 1988 with 12 identical flasks of bacteria to see if the populations would change over time in the same way. Kohuth/Michigan State University hide caption toggle caption Kohuth/Michigan State University Richard Lenski examines the growth of bacteria on a plate on Jan. 12. He began an evolution experiment in 1988 with 12 identical flasks of bacteria to see if the populations would change over time in the same way. Kohuth/Michigan State University "This was an experiment that was intended to be a long-term experiment, although I had no idea that it would be multiple decades," says Lenski, an evolutionary biologist. "It does just keep producing new and interesting results, so it doesn't seem to be near the end of its life span." Every day, someone in his lab has to do the brief, tedious chore of feeding and caring for the bacteria. On day number 8,449, Lenski reached into an incubator and pulled out his old friends. These E. coli bacteria reproduce so rapidly that, in one day, they speed through seven generations — creating the equivalent of their great-great-great-great grandchildren and letting Lenski watch their evolution in real time. Lenski brought the flasks over to a lab bench and reached for his glasses. "When I started this experiment, I didn't need reading glasses," he notes, "and now looking at things close-up is always more work than it used to be." For the first decade of his experiment, the bacteria in each flask mostly changed in similar ways. For example, they all were producing larger cells. Then things got kind of boring for a while because the changes started coming more slowly. Lenski had other projects going on in his lab, and figured that maybe he'd learned all he could from this one. "And so I was sort of thinking, 'OK, maybe it's time to stop the experiment,' " he says, recalling that he asked a few colleagues what they thought of that idea. "And they basically said, 'Nope, you can't stop it, it's gone on too long.' " So he stuck with it. And a few years later, in 2003, something happened. The liquid in one flask looked strange. "This flask was considerably more cloudy," says Lenski. "I was suspicious that we had a contaminant." It turns out that the bacteria in that one flask had actually changed in a dramatic way. After 30,000 generations, they had suddenly gained the ability to consume citrate, a chemical that had always been in the flasks — but that was never intended to be a food, since laboratory E. coli normally can't eat it. What's more, Lenski was able to trace exactly how that new trait emerged. Over the years, he's been freezing samples of his bacteria, so he was able to go back and track every little genetic change that's taken place through the generations, using technologies that didn't even exist when he first started this study. Lenski is now convinced that this study should keep going far into the future, to see what else might evolve. He'd like to see this experiment go on not just for 50,000 bacterial generations but 50,000 human generations, to "really get some very hard numbers on the process of evolution." The fact that Lenski won't be around to see those hard numbers doesn't seem to bother him. "My wife and I were very fortunate that one of our daughters had a baby about 20 months ago. And that really changes one's perception of time even more than a long-term experiment," Lenski says. He notes that people tend to conflate the universe with their own existence, "but having children, grandchildren and so on ... you really just come to grips with the vast span of time that is available. And we only get to occupy a tiny portion of it." Lenski, who is 56 years old, thinks he'll watch his bacteria for about another decade. Then he'll have to find someone to inherit this project. It's not a particularly expensive or difficult study — so he just needs to find someone younger who has a lab and is willing to carry his vision forward. "They might be in their, you know, early- or mid-30s or something like that," Lenski says, "and then they can decide whether they want to do it for just the next five or 10 years or whether they want to continue it for another 30 years and perhaps pass it on to somebody who hasn't even been born yet." Is it really possible to keep an experiment going like that? The answer is undoubtedly yes, as Lenski learned years ago when he heard of another long-term study happening on campus. "Here I was, proud of myself for what was at that time maybe a 15-year experiment, discovering that it wasn't even the oldest experiment on campus — that there was another one up around 100 years, or even past that," recalls Lenski. Seeds Buried Long, Long Ago That experiment is currently cared for by Frank Telewski, who runs Michigan State University's botanical garden. The garden is named after botanist William J. Beal, and he started a long-term study on seed germination all the way back in 1879. Beal was inspired by local farmers who had been asking him this question If we weed our fields year after year, will we ever reach a point where the weeds just don't come back? "Well, that was a very interesting question," says Telewski, because it wasn't at all clear how long seeds might remain viable in the soil. "We know that seeds can remain dormant for a long period of time, and Professor Beal's key question was, 'How long?' " Bottles like this 90-year-old one were filled with seeds and sand, then buried by William Beal. Researchers periodically unearth a bottle and plant the seeds to see if they grow. Kurt Stepnitz/Michigan State University hide caption toggle caption Kurt Stepnitz/Michigan State University Bottles like this 90-year-old one were filled with seeds and sand, then buried by William Beal. Researchers periodically unearth a bottle and plant the seeds to see if they grow. Kurt Stepnitz/Michigan State University So Beal put a precise quantity of seeds from different species into 20 sand-filled bottles and stashed them underground. The original plan was to dig up one bottle every five years and see what would grow. "Clearly, burying 20 bottles and only taking one out every five years, the plan was to go beyond Professor Beal's career, let alone Professor Beal's life," says Telewski. The only writings from Beal about his experiment are dry scientific reports, but Telewski assumes it meant a lot to him. "He had to be passionate about it," says Telewski. "You don't do something like this, you know, with that long-term desire, without being passionate." Beal opened six bottles before he retired. Then he passed it on to a colleague, Henry Darlington. Eventually it was taken over by others, including Robert Bandurski and Jan Zeevaart, who passed it on to Telewski. The experiment has lasted longer than Beal ever intended because the caretakers extended it. They first decided to open a bottle only once every decade, and now, once every two decades. Telewski dug up his first bottle 12 years ago. He did it at night, with a flashlight, trying not to draw any attention to the secret burial spot. He says it was exciting to think back and remember that the last person to see the seed was Beal, 120 years ago. "For me that holds a level of significance, that holds a level of fascination, charm," says Telewski. And he says the mysteries of long-term seed viability remain scientifically interesting. Only two plant species sprouted from the last Beal bottle. Telewski can't wait to dig up the next bottle, in 2020. Will that be the year that nothing germinates, wonders Telewski, or "will something that hasn't germinated in 30, 40 years all of a sudden appear?" This kind of inherited experiment is unusual, says Telewski, but in another way, the whole of science is one big long-term effort. Every time researchers record a careful observation, or stash a specimen in a museum, they make it possible for some unknown person of the future to pick up where they left off. "And isn't that wonderful that somebody, somewhere, thought forward enough to say, 'Let's hold onto this, let's keep this experiment going, let's design this experiment to go on and see where it takes us,' " says Telewski. Telewski already has someone in mind to inherit the Beal study when he retires. "There's one particular person I've been speaking with, and I think she's going to be very excited to pick it up," he says. If all goes as planned, he thinks the experiment will probably outlive her, too. Some research studies don't yield quick results, and scientists design experiments that continue for years, if not decades. Below is a sampling of some long-term projects, many of which continue to this day. Mouse over the bars for more information about each study.
Some time ago, scientists began experiments to find out …………. it would be possible to set up a "village" under the sea. A special room was built and lowered into the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a .......2….... lower level, another two divers stayed for a week in a smaller "house". On returning to the surface, the men said that they had experienced no difficulty in breathing and had made many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of cultivating the seabed. He said that some permanent stations were to be ….……. under the sea, and some undersea farms would provide food for the growing population of the nhật ngày 28-11-2022Chia sẻ bởi Ly a longSome time ago, scientists began experiments to find out …………. it would be possible to set up a "village" under the sea. A special room was built and lowered into the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a .......2….... lower level, another two divers stayed for a week in a smaller "house". On returning to the surface, the men said that they had experienced no difficulty in breathing and had made many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of cultivating the seabed. He said that some permanent stations were to be ….……. under the sea, and some undersea farms would provide food for the growing population of the đề liên quanSome time ago, scientists began experiments to find out …………. it would be possible to set up a "village" under the sea. A special room was built and lowered into the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a ........... lower level, another two divers stayed for a week in a smaller "house". On returning to the surface, the men said that they had experienced no difficulty in breathing and had made many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of cultivating the seabed. He said that some permanent stations were to be ….…3…. under the sea, and some undersea farms would provide food for the growing population of the life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely most important reason why people move to the city is that ………….A to look for a better life B to look for a complicated life Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely to the passage, the city life can offer city dwellers all of the following things EXCEPT A friendly communication with neighbours C a variety of jobs in different fields Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely is the main idea of the passage?B people do morning exercise in public parks because they have much free people leave the countryside because life there is most of the urban dwellers have low income. Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely and modernization may lead to A some changes in the fact that women no longer wear ao the disappearance of Western-styled clothes. Unlike life in the countryside which is often considered to be simple and traditional, life in the city is modern and complicated. People, from different regions, move to the cities in the hope of having a better life for them and their children. The inhabitants in city work as secretaries, businessmen, teachers, government workers, factory workers and even street vendors or construction workers. The high cost of living requires city dwellers, especially someone with low income, to work harder or to take a part-time job. For many people, an ordinary day starts as usual by getting up in the early morning to do exercise in public parks, preparing for a full day of working and studying, then travelling along crowed boulevards or narrow streets filled with motor scooters and returning home after a busy day. They usually live in large houses, or high-rise apartment blocks or even in a small rental room equipped with modern facilities, like the Internet, telephone, television, and so on. Industrialization and modernization as well as global integration have big impact on lifestyle in the cities. The most noticeable impact is the Western style of clothes. The "Ao dai” - Vietnamese traditional clothes are no longer regularly worn in Vietnamese women's daily life. Instead, jeans, T-shirts and fashionable clothes are widely word "impact" in paragraph 2 is closest in meaning to .I don’t have a map, so I can’t show you the I would show you the way if I had a map. B Unless you give me a map, I won’t show you the I would have a map if I showed you the way. D Unless you have a map, I can show you the of his tiredness, Nam couldn't finish his Nam couldn't finish his homework because he was Nam couldn't finish his homework because he is Nam could finish his homework, so he was tired. D Nam couldn't finish his homework because he was a pity that this school year will not finish as I wish that this school year would finish as plannedB I wish that this school year finished as planned. C I wish that this school year will finish as I wish that this school year would not finish as is better at English than Linh doesn't learn English so well as Nam Nam learns English worse than Nam isn’t as good at English as Linh isn’t as bad at English as took shelter in a store …………. the rainstorm. I’m fluent …………..three letter A, B, C, or D to indicate the word OPPOSITE in meaning to the underlined petrol prices keep going up like this, I’ll have to use a bicycle. Peter “I'm taking my TOEFL test tomorrow.”Daisy “…………..”Have you ever considered…………….a pharmacist?She……….. a new computer last week, so did her friend.
some time ago scientists began experiments