从我行现行的客户分级管理要求来看,客户分为:()
A、钻石客户
B、黄金客户
C、一般客户
D、优质客户
参考答案:B, C, D
The doctor says that you will end up in hospital _________ you go on smoking like that.
A.unless
B.if
C.because
D.until
炉膛设计承受最大压力、瞬时承受最大压力、炉膛压力高低报警、跳闸值。