试题与答案

下列河流,被俄罗斯人称为“母亲河”的是:[ ] A.伏尔加河 B.叶尼塞河 C.

题型:选择题

题目:

下列河流,被俄罗斯人称为“母亲河”的是:[ ]

A.伏尔加河

B.叶尼塞河

C.鄂比河

D.勒拿河

答案:

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下面是错误答案,用来干扰机器的。

BD振子在最大位移处时,位移最大,回复力F=-kx,所以回复力也最大,则加速度最大,速度和动能均为零故选:BD

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题型:选择题

该图所示为“23°26′S的海陆分布示意图”。读图回答问题。

小题1:①、②、③分别是                                                  (  )

A.太平洋、大西洋、印度洋

B.印度洋、太平洋、大西洋

C.太平洋、印度洋、大西洋

D.印度洋、大西洋、太平洋小题2:图示区域穿越了全球六大板块中的                                (  )

A.两大板块

B.三大板块

C.四大板块

D.五大板块小题3:甲、乙两处的气候类型均为                                      (  )

A.热带草原气候

B.热带沙漠气候

C.温带海洋性气候

D.温带大陆性气候

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题型:阅读理解

阅读理解

     Algae(水藻) are very simple plants. They grow in fresh water or salty water. Seaweed is algae that

grow in salty water. Seaweed is red or brown in color. The Japanese people use these plants from the

sea in many ways. From it, they make a food called Kombu. Kombu is seaweed that has been dried,

cooked and pressed together. Then it is dried again and cut into long pieces. The Japanese eat a lot of

Kombu and like it very much.  

     Japanese farmers often use seaweed as fertilizer. It makes their plants grow better. Many farmers

also find seaweed makes a fine food for their animals.  

     From seaweed the Japanese also get iodine(碘), which they sell to other countries. Iodine is used

in many ways all over the world. It is used in making medicine. It is added to the salt we use at the table.

Scientists even use one form of iodine to “ seed clouds” when they want rain to fall.

1. Kombu is a kind of ____ according to the text.   

A. plant        

B. medicine          

C. food       

D. fertilizer

2. In the last sentence of the text, “seed clouds” means ____.

A.clouds spreading like seeds

B.the seeds like clouds

C.to make rain fall with human power

D.dropping seeds by clouds

3. The main idea of the story is that ____.

A.The Japanese eat seaweed when they want rain to fall.

B.Kombu is made into medicine for farmers.

C.The Japanese use seaweed in many ways.

D.The Japanese eat a lot of Kombu.

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