531工程中保证进帐户可以实现一户多用，主要表现在（）。
A.多币种
B.多储种
C.多存期
D.多业务
参考答案：A, B, C, D
Have you heard that he, as well as his parents, ______ visited the Summer Palace?
—Really? No ______ he didn’t attend the meeting.
A．have; doubt
B． has; choice
C．have; reason
D．has; wonder
计算装饰工程楼地面块料面层工程量时，应扣除( )。
A．凸出地面的设备基础
B．间壁墙
C．0.3m2以内附墙烟囱
D．0.3m2以内的柱
