题目内容：

Life today has many problems. One of the biggest is 1.（pollute）. Water pollution 2. (make) our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk 3. (loud) and makes us become angry more easily. Air pollution is 4. most serious kind of pollution. It’s bad 5. living things in the world.

We need to do a lot of things to fight pollution. 6., factories must clean their waste water before it 7. (throw) away, and they mustn’t blow dirty smoke into the air. We can’t throw waste things 8. the ground. Secondly, we can go to work by bus 9. with our friends in the same car. 10. there are fewer people driving on the roads, there will be less pollution.

Rules are not enough. Everybody must help to fight pollution.