【单选题】We couldn't have passed the final examination ______ your help.
C.
if it had not been for
【单选题】If it ______ for the fence, he ______ into the river.A. were not; fallenB. had not been; could h
A.
41. If it ______ for the fence, he ______ into the river. A. were not; fallen
B.
had not been; could have fallen C were not; could fall D. had not been; could fall
【单选题】各国信息披露所采用的“重大性”概念有以下( )标准。
【判断题】在多层建筑中,楼梯剖面图可以只画出底层中间层和顶层的剖面图,中间用折断线断开。
【多选题】各国信息披露所采用的重大性概念有以下()标准