第1题: [多项选择]采取下列( )措施可控制基坑流土、管涌和流砂现象的产生。 A. 表面排水法 B. 减压井法 C. 喷射井点 D. 回灌井点 参考答案:B,C 答案解析:A:此种方法容易导致流土、管涌、流砂等现象产生;B:此种方法可以通过减小基坑底处向上的压力,而实现控制流土等现象的产生;C://此种方法是改变了地下水渗流的方向,以减少动水压力,以达到实现控制的目的;
第7题: [单项选择]What does the woman mean A. She wants to study again tomorrow. B. She is unhappy to work so long. C. She considers half a day’s work is a day’s work. D. She is willing to stop workin 参考答案:D 答案解析:[听力原文] M: We’ve studied long enough for a Saturday afternoon. W: Okay. Let’s call it a day.