第6题: [单项选择]运用价值工程优化设计方案所得结果是:甲方案价值系数为1.36,单方造价1200元,重要系数 0.3215;乙方案价值系数为1.28,单方造价1250元,重要系数0.2132;丙方案价值系数为1.15,单方造价1230元,重要系数0.2886;丁方案价值系数为1.12,单方造价1180元,重要系数0.3215。最佳方案是 ( )。 A. 甲方案 B. 乙方案 C. 丙方案 D. 丁方案 参考答案:A
第30题: [单项选择]Why didn’t Lindbergh finish college [A] Because mechanical engineering was too boring. [B] Because he wanted to be a flier. [C] Because he was more interested in farming. 参考答案:B 答案解析:[解析] 推理题。根据所听材料中He did not finish college because he had decided to become a flier After that decisi