Question

Water is the “life blood” of our earth. It is in every living thing. It is in the air. It runs through mountains and valleys. It forms lakes and oceans. Water is everywhere.

Nature has a great water system. Rain water finds its way to streams and the oceans.

Here at the mouth of a river there is much important plant and animal life. Pollution destroys this life, so we have to clean out streams and rivers. Man has to work with nature—not against it.

1.According to the passage, water is the ________ of our earth.

A. bloodB. cloudsC. rainD. life

2.The mouth of the river is near ________.

A. a streamB. the oceanC. the mountainsD. valleys

3.There is much plant and animal life at the ________.

A. head of a riverB. bottom of a sea

C. body of a streamD. mouth of a river

4.The water in streams and rivers all comes from ________.

A. rainB. natureC. valleysD. oceans

5.Which of the following is NOT true?

A. We can find water in our body.

B. Blood can be found in every living thing.

C. We can work against nature.

D. At the mouth of a river we can find many living things.

Answer

1.A

2.B

3.D

4.A

5.C

【解析】

试题分析：这篇短文主要讲述了水是我们地球的“生命之血”，它存在每一个地方，以许多种形态存在，大自然有一个伟大的水系统，循环着水的不同形态，但是污染毁灭了很多生命，我们必须清理溪流和河流，防止污染。

1.A 细节理解题。根据文章首句Water is the “life blood” of our earth. 可知，水是我们地球的“生命之血”。故选A。

2.B 细节理解题。The mouth of the river意为“河口”，根据Nature has a great water system. Rain water finds its way to streams and the oceans.可知，河口通常靠近海洋。故选B。

3.D 细节理解题。根据第三段中Here at the mouth of a river there is much important plant and animal life. 可知，故选D。

4. 细节理解题。根据第三段中Nature has a great water system. Rain water finds its way to streams and the oceans.可知，水是来自雨水。故选A。

5. 推理判断题。根据文章的最后一段 Man has to work with nature—not against it.可知，C项是不符合文意的。故选C。

考点：考查科普环保类阅读