We live in the world every day. We eat food, drink water, wear clothes, watch TV,use computers and so on. We a

We live in the world every day. We eat food, drink water, wear clothes, watch TV,use computers and so on. We a

Recently,the problem of environmental pollution is getting more and more serious. The airpollution, noise pollution an

Now in some places of our country, a number of people have been cutting down the trees in the forests because they need