商品房销售中,禁止的行为包括( )。
A.返本销售
B.实名制购房
C.未取得商品房预售许可证收取定金
D.成套住宅分割拆零销售
E.预购人将购买的期房再行转让
参考答案:A,C,D,E
A.It’ll cost him a lot of money.
B.He isn’t serious about going.
C.Other people paid for his airfare.
D.It isn’t fair for him to go alone.
用6位计数器测量1.5MHz的信号频率,当闸门时间置于1ms时,仪器工作正常显示值为()。
A.1500.0kHz
B.150.000kHz
C.1500.00kHz
D.1.5MHz