我国的物业管理企业是( )的，从本质上讲是由商品经济决定的。

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问题单项选择题

A．商业性
B．商品性
C．盈利性
D．经营性

答案

参考答案：A

补全对话，情景问答

1.	Man: Here you are. Boy: ____________________
2.	Boy: Are you nurses (护士)? Women: ____________________
3.	Boy: ____________________ Girl: Yes, I do.
4.	Girl: ____________________ Boy: Thank you.
5.	Boy: ____________________ Girl: Sure. Here you are.
6.	Boy: ____________________ Woman: It's my watch.
7.	Man: Do you want some oranges? Girl: ____________________
8.	A: Are you a boy? B: ____________________
9.	Woman: What's it? Girl: ____________________
10.	Man: Can I help you? Boy: ____________________

问答题简答题

叶丝在线膨胀工艺分那两种？