喜马拉雅山的形成原因是（） A．亚欧板块和印度洋板块碰撞

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问题选择题

喜马拉雅山的形成原因是（）

A．亚欧板块和印度洋板块碰撞挤压

B．亚洲板块和印度洋板块断裂

C．亚欧板块和太平洋板块碰撞挤压

D．美洲板块和亚洲板块碰撞挤压

答案

答案：A

本题主要考查的是板块运动的相关知识。喜马拉雅山的形成原因是亚欧板块和印度洋板块碰撞挤压。亚欧板块和太平洋板块碰撞挤压导致日本、台湾等地多火山地震。

填空题

用下列词组的正确形式完成句子。

1 .Li Hong is such a girl who can _______her attention her study for a whole class.

2. Yesterday a robber, who refused to give in, was _______and fired to death by the policeman.

3. An old worker was found__________a painting of Tang Dynasty.

4. On May Day, _________shoppers entered the supermarket,

5. She is a talented musician ___________a photographer.

6. When the earthquake happened,_________, about 150 students were having PE lessons on the

playground.

7. She looked through_________information for the report.

8. __________to reach the mountain summit,they made preparations for everything.

9. Practical experience, ____________,can give us more useful knowledge.

10. It is dangerous to_______the union.

单项选择题

一定量的理想气体，在容积不变的条件下，当温度升高时，分子的平均碰撞次数和平均自由程的变化情况是()。

A．增大，但不变

B．不变，但减小

C．和都减小

D．和都不变