客户申请办理出口押汇业务时,需提供给国际业务部门的资料().
A、出口押汇申请书;
B、进/出口合同;
C、信用证正本或副本;
D、信用证要求的全套出口单据
参考答案:A, B, D
关于声和电磁波的说法正确的是( )
A.声和电磁波都能在真空中传播
B.喇叭发音时,放在纸盆上的纸屑在上下跳动,说明振动发声
C.医生用B超观察胎儿的发育情况,B超是利用电磁波工作的
D.听诊器能使人的心脏振动幅度增大,响度增大
-What were you doing when Tony phoned you?
-I had just finished my work and ________ to take a shower.[ ]
A.had started
B.started
C.have started
D.was starting