2. 我们看到了环境中的很多变化。

We      many changes in the environment.

1. 这条河过去是如此清澈。

The river    be so clean.

(2) 我们必须采取行动阻止乱扔垃圾。

We must     to stop

rubbish.

[语境活用]用上面的短语完成下列句子

(1)我想参加歌唱比赛。

I want to    the singing 

competition.

6. 扔掉;拋弃 away

7. 好好利用 put sth. good

8. 拆下;摧毁 …down

9. 上下颠倒;倒转upside 

10. 恢复;使想起；归还back

1. 起作用;有影响make a

2. 参力 take part

3. 关掉 off

4. 釆取行动 action

5. 付费;付出代价pay

[语境活用]用所给词的正确形式填空

(l) But too much sunlight can be (harm) 

(2) There is also a (wood) church.

6. disadvantage (n.) → (反义词) 优点;有利条件

7. wood (n. ) → (adj.) 木制的;木头的

8. method (n)→ (pl) 方法;措施

9. harm (n.) → (adj) 有害的

10. recycle(v) →(现在分词) 回收利

1. 乱扔(v) 垃圾;废弃物(n)

2. 底部;最下部(n)

3. 丑陋的;难看的(adj)  

4. 工业;行业(n)

5.瓶子(n)

Ⅶ短文填空

阅读短文，从方框中选词并用其正确形式填空，使短 文完整、通顺。

  recycle,pollute,make,ourselves,good, health,little,only,divide,with It is very important to deal with the rubbish in cities. This is because rubbish not only 1 the environment but also does harm to people's 2 .

  We are trying to find some ways of dealing 3 the rubbish. First,the rubbish can be 4 into different kinds. Newspapers and glass can be 5 .

Used tins can be 6 into beautiful handicrafts. Polluted water is a big problem. It must be dealt with properly before we pour it into the river. Some harmful rubbish can be buried so that it will cause 7 pollution.

  Our country has made laws to protect the environment. Those who break the laws will be punished. We have 8 one earth. We must try our 9 to protect it. Remember that to love the environment is to love 10 .

1. 2. 3.

4. 5. 6.

7. 8. 9.

10.