Section BDirections: In this section, you will hear 3 short passages. At the end of each p

Section B

Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

听力原文： A few months ago, millions of people in London heard alarms all over the town. Emergency services, the fire department, the police, hospitals and ambulances stood by, ready to go into action. In railway and underground stations, people read notices and maps, which told them where to go and what to do in the emergency. This was Exercise Floodcall to prepare people for a flood emergency. London wasn't flooded yet. But it is possible that it could be.

In 1236 and 1663 London was badly flooded. In 1928 people living in Westminster, the heart of London, drowned in floods. And in 1953, a hundred people living on the eastern edge of the London suburbs were killed – again, in the floods. At last, Greater London Council took action to prevent this disaster from happening again. Though a flood wall was built in the 1980s, Londoners still must be prepared for the possible disaster. If it happens, fifty underground stations will be underwater. 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.

But this Exercise Floodcall 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.”

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A．One of the bridges between North and South London collapsed.

B．The heart of London was flooded.

C．An emergency exercise was conducted.

D．A hundred people in the suburbs were drowned.