第17题: [单项选择]On the day of the accident, part of the old road ______. A. was damaged B. was broadened to make traffic easier C. was under repair D. was closed to cars 参考答案:C 答案解析:此考题为细节题。根据第2段第1句中Anyway,the men were repairing part of the road..,我们完全可以认定C正确。
第29题: [单项选择]DS6-K5B在计算机联锁,系统各设备间采用光缆连接,下列说法正确的是()。 A. 不得用手摸光缆接头的光端口,光缆接头不用时,应带上防尘帽 B. 可以用手摸光缆接头的光端口 C. 光缆接头不用时,不用带上防尘帽 D. 不得用手摸光缆接头的光端口,但光缆接头不用时,不用带上防尘帽 参考答案:A