阅读下面短文，从短文后各题所给的 A 、 B 、 C 、 D 四个选项中，选出可以填入空白处的最佳选项。

The environment is everything around us in the natural world. It is the earth, the air, rivers, lakes, forests and seas. These are ___1___ human beings depend on for a living.

All natural waste is ___2___ . Animal waste and dead bodies are broken down by small creatures, like those worms in the soil. This is their ___3___ . The carbon dioxide that people and animals breathe （呼吸） out is used by plants to breathe and help them ___4___ . Plants give out oxygen which people and animals need to breathe in. Plants ___5___ water through their roots. They pass it out through their leaves ___6___ moisture （水分） . This moisture, together with water vapour coming from rivers and seas, rises and turns into water droplets and forms clouds. Larger water droplets then fall down in the form of ___7___ . In this way, the water goes ___8___ to the earth, rivers and seas to be used again.

However, humans have made a lot of changes to the earth. The technology and industry have made life ___9___ , but they also produce a lot of new waste. Nature finds this new waste hard or ____10____ to recycle. Man shall deal with this problem before it is too late.

1 ． A ． how B ． what C ． which D ． where

2 ． A ． avoided B ． allowed C ． reduced D ． recycled

3 ． A ． food B ． hobby C ． method D ． support

4 ． A ． grow B ． continue C ． progress D ． increase

5 ． A ． put away B ． give off C ． take up D ． hold on

6 ． A ． like B ． with C ． in D ． as

7 ． A ． wind B ． rain C ． storm D ． shower

8 ． A ． forward B ． about C ． back D ． away

9 ． A ． slower B ． easier C ． heavier D ． cheaper

10 ． A ． helpful B ． valuable C ． impossible D ． unnecessary

答案

B    2 ． D    3 ． A    4 ． A    5 ． A    6 ． D    7 ． B    8 ． C    9 ． B    10 ． C

【导语】本文主要讲述了大自然中产生的废物可以再次利用，但是科技和工业产生的废物很难再次利用，这就需要人类来处理这种污染问题。

1 ．句意：这些都是人类赖以生存的东西。

how 怎样； what 什么； which 哪一个； where 哪里。此空作动词短语 depend on 的宾语，应填 what ，故选 B 。

2 ．句意：所有的自然废物都可以回收利用。

avoided 避免； allowed 允许； reduced 减少； recycled 回收。根据 “Animal waste and dead bodies are broken down by small creatures” 可知，自然的废物都可以回收利用，故选 D 。

3 ．句意：这是它们的食物。

food 食物； hobby 爱好； method 方法； support 支持。根据 “Animal waste and dead bodies are broken down by small creatures, like those worms in the soil” 可知，动物的排泄物和尸体是小生物的食物，故选 A 。

4 ．句意：人类和动物呼出的二氧化碳被植物用来呼吸并帮助它们生长。

grow 成长； continue 继续； progress 进步； increase 增长。根据 “plants to breathe and help them ” 可知，植物吸收二氧化碳然后生长，故选 A 。

5 ．句意：植物通过根吸收水分。

put away 收好，储存； give off 发出； take up 占有； hold on 继续。根据 “water through their roots” 可知，通过根部吸收水分，故选 A 。

6 ．句意：它们通过树叶把水分散发出去。

like 像； with 带有； in 在 …… 里； as 作为。根据 “They pass it out through their leaves…moisture” 可知，被当成水分从叶子上散发出去，故选 D 。

7 ．句意：较大的水滴以雨的形式落下。

wind 风； rain 雨； storm 暴雨； shower 淋浴。根据 “Larger water droplets then fall down in the form of” 可知，较大的水滴形成了雨，故选 B 。

8 ．句意：通过这种方式，水会回到地球、河流和海洋中再次被利用。

forward 向前； about 关于； back 向后； away 离开。根据 “the water goes… to the earth, rivers and seas to be used again” 可知，水回到地球、河流和海洋中再次被利用，故选 C 。

9 ．句意：科技和工业让生活变得更容易，但它们也产生了很多新的废物。

slower 更慢的； easier 更容易； heavier 更重； cheaper 更便宜。根据 “The technology and industry have made life” 可知，科技让生活变得更容易，故选 B 。

10 ．句意：大自然发现这种新的废物很难或不可能回收利用。

helpful 有帮助的； valuable 有价值的； impossible 不可能的； unnecessary 不必要的。根据 “Nature finds this new waste hard” 可知，发现很难或不可能再次利用，故选 C 。