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 seas. Nature has a great water system（系統(tǒng)）.Rainwater finds its way to rivers and lakes. River water runs into the sea. At the mouths of the rivers, fresh water joins the salt water of the sea.

Here at the mouth of a river there is much important plant and animal life. But pollution destroys this life. We have to clean our rivers. Man has to work with nature, not against it.

1.Water is like________.

A. clouds   B. blood   C. life

2. ________ is in every living thing. 

A. Blood   B. Water   C. Salt

3. The mouth of a river is near _________.

A. the sea   B. a lake  C. a mountain

4. There is much plant and animal life at the _________ of a river.

A. head   B. top   C. mouth

5.We have to ________ our rivers.

A. find   B. clean   C. pollute

 

Answer 1

1.B

2.B

3.A

4.C

5.B

【解析】

試題分析：這篇文章介紹了水是地球的生命血液。水存在于一切生物體內(nèi)，存在于空氣中；水流經(jīng)山脈和山谷，形成湖泊和海洋。河水匯入大海，淡水河海水在入�？趨R集，一同流入海洋。

1.Water is the "life blood" of our earth.可知，把水比作地球的血液。故選B.

2.It is in every living thing.可知，水存在于一切生物體內(nèi)。故選B。

3.At the mouths of the rivers, fresh water joins the salt water of the sea.

可知，河嘴接近大海。故選A。

4.Here at the mouth of a river there is much important plant and animal life.可知，在�？谟懈�多的動植物生命。故選C。

5.We have to clean our rivers可知，我們必須使我們的河流保持清潔。故選B。

考點：科普環(huán)保類短文閱讀。