第2题: [单项选择]What measure was taken against floods in London in the 1980s A. A flood wall was built. B. Rescue teams were formed. C. An alarm system was set up. D. 50 underground stations were made waterproof. 参考答案:A 答案解析:出题点在文章中间表强调的部分。尽管80年代,伦敦修筑了一道防洪墙,伦敦人仍然必须要为可能发生的灾难做准备“Though a flood wall was built in the 1980s,Lond