空心板在安装前，孔的两端常用混凝土或碎砖块堵严，其目的是（）

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问题单项选择题

A.增加保温性，避免板端滑移

B.为了提高板端的承压能力，避免灌缝材料进入孔洞内

C.为了提高板端的承压能力，增强整体性

D.避免板端滑移，避免灌缝材料进入孔洞内

答案

参考答案：B

填空题

用所给单词的适当形式填空。

1. Would you mind _______ (close) the door?

2. Could you please _______ (clean) your bedroom?

3. They would continue _______ (study) maths:

4. The students have no money_______ (buy) footballs.

5. The boy didn't finish his homework, so the teacher got _______ (anger).

6. It's _______ ( polite) to speak loudly in public.

7. He felt like _______ (eat) chicken.

8. You aren't _______ (allow) to take the books out of the library.

9. It's nice of you _______ (help) me with my maths.

10. We want you _______ (give) us a talk.

多项选择题

下列各项中属于人民法院不受理的事项的有( )。

A．法规规定由行政机关最终裁决的具体行政行为

B．国家制定外交政策的行为

C．行政机关对其工作人员的免职决定

D．行政处罚

E．即时强制