商业银行资金交易的()应当对资金交易出现的重大损失承担相应的责任。
A.前台资金交易员
B.中台监控人员
C.后台结算人员
D.高级管理层
参考答案:A, B, C, D
The telephone _______ three times in the last hour, and each time it ________ for my father.
A.had rang; was
B.has rung; was
C.rang; has been
D.has been ringing; is
Applet生命周期包括Applet的创建、 【15】 和消亡几个状态。