2. Do you know who was the first European to d        America?

1. You should a        making  such mistakes.

 阅读短文，从方框中选择适当的词并用其正确形I 式填空，使短文通顺、意思完整。  

   Now the world is developing rapidly. And people are having rich lives. However,life today has also brought new problems. One of the biggest problems is environment pollution. Water pollution has   1        our rivers and lakes dirty. It kills our fish and 2       our . drinking water. Noise pollution makes us 3      louder . and become angry more easily. Air pollution is the most 4       kind of pollution. It’s bad to all living things in the world.

Cars,planes and factories all pollute our 5       every day. Sometimes the polluted air is 6       thick that it is like a quilt (被子)over a city. This kind of quilt is called smog(烟雾）.

  Many countries are making rules to fight against pollution. Factories must now clean their water 7       it is thrown away,and they mustn’t let dirty 8       go into the air. We also need do many other things. We can put waste things in the 9       and don’t throw them on the ground. We can go to work by bus or with our friends in the same car. If there are fewer people driving,there will be 10       pollution. Rules are not enough. Every . person must help to fight against pollution.

1.        2.        3.        4.        5.       

6.        7.        8.        9.        10.       

1       It makes people,animals and plants sick or even kills them. It even makes the climate change.

2       A lot of people and fish die each day because of it. Each year people pour waste water into rivers,lakes and so on.

3       It makes people who work and live in noisy conditions become deaf. It’s harmful to hearing.

4       It’s harmful to our eyes. It may cause some kinds of illness. It also makes people feel terrible.

5       It’s difficult to stop. People use chemicals too much in their fields.

1.          2.       3.        4.        5.       

5. Running every morning can help you keep in good          ( healthy ) .

4. Forests have become desert,so many animals and plants are        (  disappear).

3. Is the ozone layer          (  help) and          (importance) to the earth?

2. More and more  different sorts  of  animals are becoming         and          ( few).

1. All the flowers near the river have been          (die) because of water pollution.

(   ) 5.—Remember  this,children.            careful you are,        mistakes  you will make.

一We know,Miss Gao.

A. The more ; the fewer

B. The more; the few

C. The more; the less

D. The more; the little