题目内容
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： (11) A few months ago, millions of people in London heard alarms all over the town. The Emergency Services, the Fire Departments, the Police, hospitals, and ambulances stood by, ready to go into action. In railway underground stations, people read notices and maps which told them where to go and what to do in the emergency. This was Exercise Flood Call, to prepare people for a flood emergency. London wasn't flooded yet, but it is possible that it would be. In 1236 and in 1663, London was badly flooded. In 1928, people living in Westminster, the heart of London, drowned in floods. And in 1953, one hundred people, living on the eastern edge of the London suburbs were killed, again, in the floods. At last, Greater London Council took actions to prevent this disaster from happening again. (12) Though a flood wall was built in the 1960s, Londoners still must be prepared for the possible disaster. If it happens, 50 underground stations will be under water. Electricity, gas and phone services will be out of action. Roads will be drowned. It will be impossible to cross any of the bridges between north and south London. Imagine: London will look like the famous Italian city, Venice. (13)But this Exercise Flood Call didn't cause panic among Londoners. Most people knew it was just a warning. One lady said, "It's a flood warning, isn't it？ The water doesn't look high to me."
What happened in London a few months ago？
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According to this passage, what is the "large stone and glass structure"？
听力原文： (14) Why do we cry？ Can you imagine life without tears？ Not only do tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so they can't infect your eyes. Give up your tears, and you'll lose this on-the-spot defense. Nobody wants to give up the flood of extra tears you produce when you get something physical or chemical in your eyes. Tears are very good at washing this irritating stuff out. Another thing you couldn't do without your tears is cry from joy, anger or sadness. (17) Humans are the only animals that produce tears in response to emotions, and most people say a good cry makes them feel better. (15) Many scientists, therefore, believe that crying somehow helps us cope with emotional situations. Tear researcher, Winifred, is trying to figure out how it happens. One possibility he says is that tears discharge certain chemicals from your body, chemicals that build up during stress. When people talk about crying it out, "I think that might actually be what they are doing", he says. If Fred is right, what do you think will happen to people who restrain their tears？ (16) Boys, for example ,cry only about a quarter as often as girls once they reach teenage years, and we all cry a lot less now than we did as babies. Could it possibly be that we face less stress？ Maybe we found other ways to deal with it, or maybe we just feel embarrassed.
What's the topic discussed in this passage？
What is the problem with Ann’s present apartment？
听力原文： The U.S. Botanic Garden is America's plant museum. (26) Congress established the Botanic Garden as a center for the science of growing things. But the Garden is also a center of beauty.
(28) The Botanic Garden has twenty-five thousand plants in its collection. (27) Visitors can see many of them in the Garden's public Conservatory. It is a large stone and glass structure near the U.S. Capitol building.
There is a titan arum plant at the U.S. Botanic Garden. It is called the "corpse plant" because its flower smells something like a dead body. Everywhere you look in the Conservatory, something appeals to your eyes. (28) A visitor can move seemingly from one part of Earth to another in just a few seconds. A short walk takes you from desert to thick forest.
(28) The Conservatory offers examples of plants that provide the makings of medicine. It also has plants of special interest to children. (28) Rare and endangered plants occupy a place all their own.
Why did the Congress establish the U.S. Botanic Garden？
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