下列说法中正确的是[ ] A．若多边形的边数由3开始增加，则

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问题选择题

下列说法中正确的是[ ]

A．若多边形的边数由3开始增加，则外角和减少

B． n边形的内角和总大于外角和

C．多边形中最多有三个内角是锐角

D．当多边形的边数增加时，它的内角和与外角和都增加

答案

答案：C

填空题

用所给词或短语的正确形式完成句子。

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1. _______ remember eight to ten words a day.

2. The news is important; ______it ______on your paper.

3. You should ______the manager about it.

4. I'd like some _____ of bread. I'm hungry.

5. There are three ______questions about learning English.

6. I want to ask for some_______on how to learn Chinese well.

7. I'm sure you ______at the party next Monday.

8. I can ______ from one to one hundred in English.

9. Learn to______in your everyday life. It's good for your health.

10. You can go to the police ______ help.

多项选择题

国有独资公司经营中，必须由国有资产监督管理机构决定的重大事项有（）。

A.制订公司利润分配方案和弥补亏损方案

B.增加或减少注册资本

C.决定公司的合并、分立、解散

D.决定发行公司债券

E.决定公司的经营方针和投资方案