错账冲正原则上应采用()
A.全额冲正法
B.差额冲正法
C.比例冲正法
D.隔日冲正法
参考答案:A
There is a new problem involved in the popularity of private cars _______ road conditions need _______.
A.that; to be improved
B.which; to be improved
C.where; improving
D.when; improving
井下常见的电缆故障主要有:()、()、()等故障。