四、完形填空（每小题1分，共10分）

阅读下面短文，从各题所给的四个选项中选出最佳答案。

Protecting (保护) wild animals is our duty. Because wild animals are important to us. They live with us on the earth together. If there are no animals on the earth, we will not live on,   46   . So we should take good care   47    them to help us live a healthy life.

  48   some people still don’t realize the   49   of protecting wild animals. They often kill wild animals for food or for money. Every day there are many wild animals being   50   . So lots of wild animals have died out (灭绝). We can’t see them any more. Today the number of wild animals   51   becoming smaller and smaller. If we don’t protect them, they will all die out. If this goes on, there will be no animals left on the earth.

  52   , more and more people have begun to do many things to help protect wild animals. They ask people   53   killing wild animals. They get people to know that protecting wild animals is one of the most important things. Now many countries have made   54   laws (法律) to protect wild animals.

Now that (既然) wild animals are so important to man, we should do our   55    to protect them and it means human beings can make friends with animals and get on well with them.

46. A. too            B. also              C. neither           D. either

47. A. of              B. off                C. for                 D. from

48. A. And           B. But               C. Or                  D. Although

49. A. necessary   B. importantly    C. importance      D. important

50. A. killed          B. killing             C. kills                D. kill

51. A. was           B. were              C. are                 D. is

52. A. Lucky         B. Unlucky         C. Luckily             D. Unluckily

53. A. stopping    B. to stop          C. stops              D. stop

54. A. much         B. few                C. some              D. any

55. A. well            B. good             C. better             D. best