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

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

37.A. common　 　　　　B. the same　　 　　　　 C. changeable　 　D. different

36.A. beautiful　　 　　　B. unlimited　　 　 　C. rare　　　　　　 　　　　　　　D. valuable

35.---Sir, please keep in mind that this kind of computer, if______ properly, will work for at least ten years.　

---Thank you! I will.

A use　 　　　　　　　 B using　 　　　　　　 C used　 　　　　　 D being used

Section B (18 marks)

Directions: For each blank in the following passage there are 4 words or phrases marked A, B, C and D. Fill in each blank with a word or phrase that best fits the context.

In the past, man didn’t have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be　 　36.

Today things are　 　37 　, and the world has become too 　38 . We’re using up our natural resources too quickly, and at the same time we are　 　39 our environment with dangerous chemicals. If we continue to do this, human life on the earth　 will not　 survive.

Everyone　 40 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing 　41 , more and more fish are caught. We know that if too many trees are cut down, forests will disappear and nothing will grow on the land. Yet, we 　42 to use bigger and more powerful machines to　 cut down more and more trees.

We know that if rivers are polluted with waste products from factories, we’ll die. 　43 , in most countries wastes are　 still put into rivers or into the sea, and there are　 44 　laws to stop this.

We know, too, that if the　 　45 　of the world continues to rise at the present rate, in a few years there will not be enough　 food . What can we do to solve these problems?　

If we eat more vegetables and less　 meat　 there will be more food available for every one. Land that is used to grow crops　 46 five times more people than land where animals are kept. Our natural resources will　 last longer if we learn to recycle them.

The world population will not rise so quickly if people use modern methods of birth control　 .

Finally, if we educate people to think about the problems, we shall have a better and cleaner 　47 in the future.

34. Mr. Duncan raised an unnecessary question _______ he then failed to find an answer.

A. with which　　 　　 　B. for which　 　 　　　 C. to which　　 　　　　 　D. by which

33. We are looking forward to _______ more of them in the coming Olympic Games.

A. see　　　　　　　　　 B. seeing　　　　　　 C. seen　　　　 　　　 D. be seen

32. It is said that in Africa over a third of the population were believed to have no ______ to the health care and advanced education.

A. control　 　　　 　　 B. access　 　　　　　　　 C. opportunity　 D. accent　

31. The room is in a terrible mess; it ______ cleaned.

A. can’t have been　　　　　　　　　　　　　 B. couldn’t be 　　

C. mustn’t be 　　　　　　　　　　　　　　　　 D. mustn’t have been　

30. My new partner is a pretty girl______ name is Diane.

A. her　　　　 　 　　　 B. she　　　　　 　 　　　 C. its　　　　　 　　　 　　　 D. whose