对设计概算的编制依据的审查重点是( )
A.合法性、合理性、经济性
B.合法性、合理性、适用范围
C.合法性、时效性、适用范围
D.合法性、时效性、经济性
参考答案:C
Some of you may have finished unit one. _____, you can go on to unit two. [ ]
A. If you may
B. If you do
C. If not
D. If so
闭合性气胸,肺萎缩30%,其临床表现是
A.呼吸困难B.伤侧呼吸音消失C.气管向健侧明显移位D.无明显症状E.痰量增多