二、信息还原
请认真阅读下面的短文，从短文后所给的选项中选出能填入空白处的最佳选项，其中有一项是多余的。
The earth is our home; we must take care of it. This means keeping the land, air and water clean.
Pollution is a "dirty word". To pollute means to make things unfit or unclean to use. (1) ______ We see it, smell it, taste it and drink it. Pollution is beginning to threaten(威胁) our health, our happiness and our life.
Man has been polluting the earth from the time he first made a fire, washed his clothes in the river and threw his waste on the ground. (2)
F
At first the problem was not so serious because there was plenty of clean air, land and water. (3)
D
All the dirty things could be absorbed(吸收) by nature and soon be covered over. But this is no longer true. The increase of the population and the development of industry have changed that. Man is slowly polluting his environment.
Through the use of poison(毒药), man has polluted land and killed the animals. By putting dirty water and chemicals into rivers and lakes, we have polluted our drinking water, killing the fish. (4)
C
More people, more waste.
Where is this all to end? Are we turning the world into a big rubbish dump, or is there any hope that we can get rid of pollution? (5)
E
A large number of people are now working hard to bring pollution under control.
A. Pollution comes in many ways.
B. Man couldn't probably live on the earth.
C. Our increasing population is part of the problem.
D. There weren't so many people then and their wants were fewer.
E. Luckily, millions of people have been warned of the danger of pollution.
F. When land was used up or water became dirty, man moved to another place.
