I saw him _______ out of the room. [ ]
A. go
B. had gone
C. has gone
D. goes
答案:A
通电线圈在磁场中受力而转动,消耗了()能,而得到机械能。
柜员要为理财卡客户办理精灵信使服务费近一年的退款服务,应该使用交易()
A.3885
B.3886
C.3887
D.3904