起吊重物前应由()检查悬吊情况及所吊物件的捆绑情况,认为可靠后方准试行起吊
A、工作负责人
B、吊车司机
C、吊车指挥
参考答案:A
I would like to ( ) a flight to Paris on January 8 on Air France, First Class and round trip.
A.have book
B.book
C.want
D.have wanted
如果要求的工期比工期额缩短( )的,应计算赶工措施费。
A.10%
B.20%
C.25%
D.30%