In the past, man did not have to think about the protection of his environment．There were few people on the earth, and natural resources seemed to be enough.

　　 Today things are　 36　 , the world has become too crowded. We are using up our natural resources too quickly and at the same time we are polluting our environment with dangerous chemicals. If we keep doing this, human life on the earth 　 37　 survive(生存）.

　　 Everyone realizes today that if 　 38　 fishes are taken from the sea, there will soon be none left. Yet, with modern fishing ways, more and more fishes are caught. We know that if lots of trees are cut down, forests will disappear and nothing will grow on the earth. Yet we　 39　 to use bigger and more powerful machines to cut down trees.

　 We realize that if rivers 　 40　 with waste products from factories, fish will die.　 41　 , in most countries wastes are still put into rivers or into the sea.

We know, too, that if the　 42　 of the world keep on rising 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 　 43　 , there will be more food for everyone．Land that is used to grow crops feeds　 five times more people than land where animals are kept．

　 Our natural resources will　 44　 longer if we learn to recycle them．

　 Finally, if we educate people to think about the problems, we shall have a better and cleaner　 45　 in the future.

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

37. A. may not 　　B. will not 　　 C. shall not 　　　 D. could not

38. A. too many　　 B. many too　　 C. too much　　　 D. much too

39. A. continue 　　B. have 　　　C. ought 　　　D. decide

40. A. pollute　　 　B. will pollute　 　C. are polluted 　　　D. are polluting

41. A. And 　　　　B. However 　　　C. Generally 　　　D. Therefore

42. A. production 　　B. pollution 　　 C. population 　　D. Development

43. A. more vegetables and less meat　　　 B. less vegetables and more meat

　 C. more vegetable and more meat　　　 D. less vegetable and less meat

44. A. use 　　 B. stay 　　　C. keep 　　　 D. last

45. A. nature 　　　B. sea 　　 C. planet 　　　D. forest

It all started at the beginning of the ninth grade. Carmen found she couldn't see things ___26___ all the time. She became very worried, but she hoped    27   would know that. When her mother asked her to see the eye doctor, she didn't   28  . But her mother's mind was made up.
Three days later. Carmen got new glasses and instructions   29 . her doctor. "All of the kids will think I'm silly. " Carmen said. Her mother   30   and shook her head. "You look just as beautiful as before, she said. But Carmen didn't believe her.
The next day. Carmen kept the    31   in her pocket(口袋))as she walked into the schoolyard. She stood alone away from her friends, feeling   32  
Suddenly, she heard her friend Theresa shout.
Carmen ran over to the other girls. "What's the    33 ?" she asked.
"My ring is gone!" Theresa cried. "My sister sent it to me from California. It's very _34__  and I can 't lose it. "
Carmen and her friends began to    35   the ring in the grassy area of the playground. Carmen realized that she could do better _36_  she could see better. She took the glasses out and put them on. Everything looked so _37_ ! So clear! She looked down at the ground and a bright light caught her 38  . It was the ring.
"Here it is," she shouted. She handed it to Theresa.
"Thanks, Carmen," she said. "I _39_ thought we'd find it." She paused(停顿). “Hey, 1 didn’t knowyou wore glasses. They look great!"
Carmen had   40   that she was wearing the new glasses. “Thanks,” she replied.
"Maybe wearing glasses won't be so bad after all." Carmen thought.
【小题1】a. clearly            B. carefully           C. freely              D. quickly
【小题2】 a. everybody         B. anybody         C. somebody            D. nobody
【小题3】 a. explain           B. care               C. agree               D.understand
【小题4】 a.by                B. from               C. like            D. to
【小题5】 a. relaxed            B.cheered          C. smiled         D. jumped

【小题11】

A．though B．if C．because D．as