第25题: [单项选择]Which of the following is true about Olson A. He was a fiction writer. B. He edited the book Power and Prosperity. C. He taught economics at the University of Maryland. D. He was against the ownership of private property. 参考答案:C 答案解析:第一段最后一句Olson was an economics professor at the University of Maryland until his death in 1998.Olson一
第26题: [单项选择]A. He should have made an appointment. B. He should have called to cancel his appointment. C. He should have come for his appointment. D. He should have stayed at home until he was well. 参考答案:B 答案解析:[解析] What should the man have done about his first appointment
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第27题: [多项选择]路面的使用要求指标有()。 A. 平整度 B. 承载能力 C. 温度稳定性 D. 透水性 E. 经济性 参考答案:A, B, C, D