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问题 多项选择题

优化国土空间开发的原则是（）

A.人口资源环境相均衡

B.经济社会生态效益相统一

C.开发利用和环境保护相结合

D.节约资源和提高资源利用率相互促进

答案

参考答案：A, B

选择题

如果集合P={x|x＞-1}，那么（　　）

A．0⊆P

B．0∈P

C．∅∈P

D．0⊆P
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填空题

根据句意，用括号内所给单词的适当形式填空。

1. I like P.E. best. Because my P.E. teacher is very _______ (friend) to us.

2. —Where is your bedroom?  —It's on the ________ (three) floor.

3. —Thank you for your help.       —It's my _______ (please).

4. All the books are on these _______ (shelf). You may go to find the book you want to borrow.

5. Kangkang likes _______ (dance) at the party, because it's interesting.

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