第13题: [单项选择]Questions 19 to 22 are bused on the conversation you have just heard.A. Because it is not on the shelves. B. Because one student removed it from the library. C. Because the professor placed it on reserve. D. Because all students can read it. 参考答案:C 答案解析:[解析] Q: Why does the man fail to find the book
第24题: [单项选择]某工程合同价为l00万元,合同约定:采用调值公式进行动态结算,其中固定要素比重为0.2,调价要素分为A、B、C三类,分别占合同价的比重为0.15、0.35、0.3,结算时价格指数分别增长了20%、l5%、25%,则该工程实际结算款额为()万元。 A. 115.75 B. 119.75 C. 118.75 D. 120.75 参考答案:A 答案解析:该工程实际结算款额=100×(0.2+0.15×1.2+0.35×1.15+0.3×1.25)=115.75(万元)。