按作业内容分类的现代装卸作业有()
A.装货卸货作业
B.搬运移送作业
C.堆垛拆垛作业
D.分拣配货作业
参考答案:C
If you have any trouble________the work within the time,please tell me. [ ]
A. to finish
B. finish
C. with finishing
D. finishing
简述外汇管理对于人民币与外汇掉期业务的主要要求。