[单项选择]What happened in London a few months ago（）
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. 100 people in the suburbs were drowned.

[填空题]

What happened in London

[填空题] A few months ago, millions of people in London heard (36)______all over the town. The Emergency services, the Fire Departments, the Police, hospitals, and (37)______stood by, ready to go into action. In railway underground stations, people read (38)______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 (39)______flooded. In 1928, people living in Westminster, the heart of London, drowned in floods. And in 19S3, one hundred people, living on the eastern edge of the London (40)______were killed, again, in the floods. At last, Greater London (41)______took actions to prevent this disaster from happening again. Though a flood wall was built in the 1960s, Londoners still must be prepared for the possible disaster. If it happens, SO underground stations will be under water. (42)______, gas and phone se