无戗提法截流主要有()。
A.建闸截流
B.水力冲填法
C.定向爆破截流
D.浮运结构截流
E.抛投块料截流
参考答案：A, B, C, D
Software Engineering Economy is an effective part of software engineering, which of the following content is the research comtent of software engineering economy Ⅰ．Estimation of software development cost Ⅱ．Earn & Cost analysis of software development Ⅲ．Adjustment of software development progress
A． Ⅲ only
B． Ⅱ and Ⅲ
C． Ⅰ and Ⅱ
D． all
老年体弱病人需采用( )
A．轮椅运送法B．平车1人协助挪动法C．平车2人搬运法D．平车3人搬运法E．平车4人搬运法
