参考答案:all of whose houses had been destroyed in the earthquake/all of their houses having been destroyed in the earthquake． 答案解析:本题测试带介词的非限制性定语从句用法。本题也可用分词独立结构来译。
第19题: [单项选择]The news was a terrible blow to her, but she will ______ the shock soon. A. get out B. get through C. get off D. get over 参考答案:D 答案解析:[考点] 固定搭配
[解析] get out“出去，被人知晓，逃避”；get through“完成”；get off“从……下来，匆匆在……上行走，开始，动身”；get over“结束不愉快的
第20题: [单项选择]What does the speaker recommend A. Reminding of the hazardous impact of smoking B. Providing safety masks and safety clothing C. Asking as many questions as possible D. Following the safety procedures 参考答案:D 答案解析:[解析] 该题询问说话人劝告的事项，本文开头部分提到For your own safety, all employees are required to wear the safety glasses which are provided near the door and the newly introduced safety clothing.劝告所有职员戴上安全眼镜，穿上安全服。
