方框填词
| many, few, easy, another, serious, danger, it, big, loud |
The world
1 is becoming much smaller by using modem traffic and modern communication means. Life today is much
2 than it was hundreds of years ago, but it has brought new problems. One of
3 is pollution.
Man has been polluting the earth. The more people, the
4 pollution. Many years ago, the problem was not so
5 before because there were not so many people. When the land was used up or the river
was dirty in a place, men moved to
6 place. But this is no longer possible.
Water pollution kills our fish and pollutes our drinking water. Noise pollution makes us talk
7 and
become angry
8 . Air pollution is still the most serious. It's bad to all living things in the world. The
pollution SO2 is now
9 problem of air pollution. It is caused by heavy traffic. It is sure that if there
are
10 people driving, there will be less air pollution.