主持和组织工程完工验收是( )的主要责任。
A．监理工程师 B．建设单位C．施工单位 D．发包人
参考答案：D
Questions 14-17
TRUEif the statement agrees with the information FALSEif the statement contradicts the information NOT GIVEN if there is no information on this
Based on calculation, it is proven that the magnetar-begetting star formed a black hole since it was more than 40 times heavier that the sun.
采用（）可以改变跟刀架脚材料的耐磨性能。
A.球墨铸铁
B.铸铜
C.铸铝
D.低碳钢
