一个城市可以设立( )房屋权属登记机关。
A．1个
B．2个
C．3个
D．4个以上
参考答案：A
—Peter, are you going fishing tomorrow?
—Yes. But I ______ at home if it ______.
A．will stay, is going to rain
B．will stay, rains
C．stay, will rain
D．stay, is going to rain
市场经济世界的媒介体系又称为什么？（）
A.东方媒介体系
B.南方媒介体系
C.西方媒介体系
D.北方媒介体系
