Question

In the past, man did not have to think about the protection of this environment. That was because there were ______ people on the earth, and natural resources（资源）seemed not to be used up.

Today things are different, the world has become too ______. We are using up our natural resources too quickly and at the same time we are ______ our environment with dangerous chemicals（化学药品）. If we go on to do this, human life on the earth ______ survive（幸存）.

Everyone realizes today that if too many fishes are taken from the sea there will soon be none left. But, with modern fishing methods（方法）, more and more fishes are caught. We know that if too many trees are cut down, forests will disappear and ______ will grow on the earth. Although the situation is getting worse, many of us still ______ to use bigger and more powerful machines to cut down more and more trees.

We realize that if rivers are polluted with waste products from factories, fish will die. But in most countries, wastes are still put into rivers or into the sea ______ there are few laws to stop this.

We know, too, if the population of the world goes on rising at the present speed, ______ a few years there won’t be enough places or food supplies（供应）. So what can we do? Perhaps the world population will not rise so quickly with the help of the modern methods of birth ______.

Finally, if we start to educate people to think about the problems, we’re still able to have a better and cleaner planet in the future. Thinking ______ is what we all need to do right now.

1.A. many B. little C. few D. much

2.A. crowded B. small C. dirty D. busy

3.A. protecting B. saving C. polluting D. fighting

4.A. must not B. will not C. shall not D. should not

5.A. everything B. something C. anything D. nothing

6.A. continue B. have C. need D. start

7.A. and B. however C. so D. then

8.A. on B. after C. for D. in

9.A. control B. born C. plan D. pay

10.A. politely B. wisely C. directly D. normally

Answer 1