建设工程文件和档案资料是（）对建设工程管理的依据。
A.施工单位
B.建设单位
C.设计单位
D.监理单位
参考答案：B
35岁高龄孕妇，胎儿染色体畸变发生21-三体概率
A．催产素引产B．急诊剖宫产C．择期剖宫产D．自数胎动，继续妊娠E．人工破膜术
His generosity _______ him the reputation of "The most generous man" in his area. [ ]
A. made
B. earned
C. achieved
D. gave
