Question

It,s very important that we all recycle (再利用) .In nature,everything 1 again. For example,when an animal dies,it becomes 2  animal’s food. Nothing is wasted.But humans have created things like plastic bags 3 can’t be broken down by nature. Our rubbish kills animals and 4  water and soil. 5  we continue making too much rubbish,the problem will only get worse. If nature can^ reuse the rubbish,we must recycle 6 We should clean up the rubbish we’ve made because nature can’t.

Recycling is also the right thing to do for another reason. The earth is rich in natural materials like water and trees, 7 these materials are not endless. We use up our natural materials much 8 than the earth is able to reproduce them. For example,each year we cut 9  more than 6 ,000 square miles of forest. But it takes an average of 25 years for a new tree 10 Recycling can help us save the earth,so let’s take action right now.

1 .A. use   B. using   C. is used   D. used

2. A. another   B. the others   C. others   D. the other

3. A. who   B. which   C. how   D. where

4. A. pollutes   B. polluted   C. polluting   D. is polluted

5. A. When   B. Whether   C. Why   D. If

6. A. them   B. their   C. it   D. itself

7. A. but   B. so   C. and   D. or

8. A. fastly   B. fast   C. faster   D. fastest

9. A. out   B. down   C. in   D. up

10. A. grows   B. for growing   C. growing   D. to grow

Answer 1

l.C   句意:在自然界中，每样东西都会被再利用。主语eve- rything与谓语动词use之间是被动关系，故选C。

2. A   句意:例如，当一个动物死掉后，它就会变成另一个动物的食物。another“另一的;再一的”符合句意。

3. B    先行词plastic bags是物，故定语从句的关系代词用 which,在句中作主语。

4. A    and为并列连词，由kills可知此处用一般现在时。

5. D   句意如果我们继续制造更多的垃圾，问题就会变得更加糟糕。根据句意可知D项正确。

6. C    rubbish为不可数名词，故用it代替。

7. A   句意:地球上有许多像水和树这样的自然资源，但这些资源并不是取之不尽的。前后分句之间为转折关系，故用but。

8. C   由than可知用fast的比较级faster。

9. B   句意:例如，我们每年砍伐6.000多平方英里的森林。cut down “砍倒”符合句意。

10. D    It takes some time+for sth./sb.+to do sth.为固定句型。