承办的主要依据是()。
A.催办
B.拟办
C.批办
D.注办
参考答案:C
当主机电源被断开后,ROM中的数据不会丢失。 ( )
The advantage of rail transport is ()
A. Great amount of shipped
B. Less damage ration
C. Fast speed, exact schedule, and cost saved
D. Direct shipping line