第3题: [单项选择]{{B}}Questions 29 to 31 are based on the passage you have just heard.{{/B}} 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:[听力原文]
What measure was taken against floods in London in the 1980s
[解析] 细节判断题。本题关键句为“Though a
第22题: [单项选择]一般道路运输系统中要符合单车最小转弯半径为( )的技术要求。 A. 9m B. 10m C. 12m D. 15m 参考答案:A 答案解析:本题的考点是一般道路运输系统中的技术要求。
(1) 通道宽度。主要出入运输道路7m左右;车间与车间有一定数量物流及人流运输的次要道路4.5~6m左右;功能单元之间,人流物流较少的辅助道路,以及消防