为客户注册网银时,正确的操作为()
A.个人客户联动注册(E20219)
B.申请口令牌(E20301)
C.同步动态口令(E20306)
D.绑定口令牌(E20204)
参考答案:A
His sister left home in 1998, and _________ since.[ ]
A. had not heard of
B. has not heard of
C. had not been heard of
D. has not been heard of
按照REASON理论和方法,在解决民用航空安全问题时,重点是查找()
A、不安全的行为
B、组织缺陷
C、航空器缺陷
D、不安全的行为的前提条件