客户交易账户处于()等异常状态时,将无法签订产品协议。
A.口头挂失
B.书面挂失
C.密码挂失
D.全额冻结
参考答案:A, B, C, D
Justin Bieber has many good songs. They are_______ with young people.
A.modern
B.beautiful
C.easy
D.popular
WK-4、WK-10B电铲更换或调整空压机皮带时应做到()
A.关闭风包截至阀
B.关闭空压机运行开关
C.趁空压机没有工作时抓紧更换或调整
D.以上全错