第24题: [单项选择]预防为主,主要是为了防止和减少( ) A. 生产事故 B. 安全事故 C. 生产质量事故 D. 生产安全事故 参考答案:D 答案解析:[解析] 预防为主,主要是为了防止和减少生产安全事故。无数案例证明,绝大多数生产安全事故是人为原因造成的,属于责任事故。在一般情况下,大部分事故发生前都有不安全隐患,如果事故防范措施周密,可以避免或者
第35题: [单项选择]{{I}}Questions 18 -21 are based on the following dialogue.{{/I}}Why doesn’t the woman buy the book A. Because it’s too expensive to buy it. B. Because she doesn’t need it. C. Because she can’t buy it everywhere. D. Because she already has got one. 参考答案:A 答案解析:[听力原文] 18-21
M: What’s that book you just picked up
W: The sociology text professor Smith uses i