写出三个你知道名字的四边形分别是______、______、______．

阅读理解

       There were many mice(老鼠) in Jack's house. They ran about all over the house at night. In the day,

they were back to their homes.

       "I need a good cat," thought Jack. He knew a man who had cats, so Jack went to see him. 

       "Do you have a cat that is good for the mice?" Jack asked the man.

       "Well, yes, I have such a cat," answered the man.

       "I'll take it," said Jack. He paid for the cat and took it home.

       A week later, Jack went back to the man with the cat in his hand. "My house has more mice now than before," Jack said angrily. "The cat you sold me doesn't want to catch them at all. But you said it was good for the mice." "That's right," said the man. "It is good for the mice. Come to think about it - it is good for

the mice!"

1. ________ worried Jack a lot.

A. A man

B. A cat      

C. The mice    

D. The house

2. Jack bought a cat from ________.

A. a friend

B. the market  

C. a neighbor

D. a man

3. After the cat came to Jack's home, there were ________ in his house.

A. more mice

B. fewer mice  

C. no mice

D. more cats

4. What did the man mean (意思是)by saying "It is good for the mice"?

A. Be kind to the mice.                

B. Be angry with the mice.

C. Be good at catching the mice.        

D. Be worried about the mice.

一根长13厘米的小棒，截成整厘米的小段围成三角形，这三段可能是______厘米、______厘米、______厘米．

根据《关于实行党政领导干部问责的暂行规定》，有（）情形之一的，对党政领导干部实行问责。

A.决策严重失误，造成重大损失或者恶劣影响的

B.对群体性、突发性事件处置失当，导致事态恶化，造成恶劣影响的

C.违反干部选拔任用工作有关规定，导致用人失察、失误，造成恶劣影响的

D.因工作失职，致使本部门、本单位发生特别重大事故、事件、案件，或者在较短时间内连续发生重大事故、事件、案件，造成重大损失或者恶劣影响的

什么装置直接关闭高压和低压关断活门？（）

A.主电门置OFF位

B.电子控制组件（ECU）

C.液压机械组件（HMU）

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