Millions of people now use computers for many different things — communication, study and so on. Of course, computers are great and have 41 some people’s lives for the better. 42 , they can cause problems too. Many people who use computers a lot can develop 43 problems. They find that their eyesight gets 44 , for example, if they look at the screen for too long. Users’ hands and arms can become 45 from making the same movements thousands of times, while using a keyboard and a mouse. People who have computers are also spending more 46 sitting down, and less time 47 , so many of them are becoming overweight.
Other problems are psychological (心理上的). Computers, the Internet and email have made people’s lives much 48 . This can be very exciting, 49 it also means that people feel under a lot of pressure (压力) to do everything more quickly. Addiction is also a 50 with more and more young people. Many of them spend hours and hours 51 different websites, sometimes until very late 52 . This means they can’t work or study 53 and can have problems keeping friends. Some studies in the United States have 54 that young children and teenagers who spend many hours at computers can easily get 55 .
“Computers can be a really 56 part of children’s lives because they can be 57 for research, finding pictures and reading the latest news. But parents and teachers need to 58 children to learn how to use computers in 59 ways,” says teacher Jane Shields. “And children need to learn when it’s time to 60 and do something different.”
41. A. built B. saved C. ruled D. changed
42. A. Instead B. However C. Finally D. Fortunately
43. A. physical B. strange C. social D. lifelong
44. A. fine B. stronger C. worse D. normal
45. A. dirty B. perfect C. injured D. shaky
46. A. money B. time C. energy D. effort
47. A. studying B. working C. playing D. exercising
48. A. harder B. safer C. faster D. happier
49. A. but B. so C. if D. because
50. A. reason B. mistake C. problem D. goal
51. A. visiting B. correcting C. creating D. designing
52. A. at noon B. at night C. in the morning D. in the afternoon
53. A. freely B. slowly C. tirelessly D. carefully
54. A. forgotten B. guessed C. shown D. doubted
55. A. hungry B. selfish C. lonely D. sleepy
56. A. good B. small C. private D. crazy
57. A. asked B. used C. found D. tried
58. A. allow B. order C. help D. warn
59. A. different B. simple C. healthy D. quick
60. A. stay B. leave C. come D. Miss
41-45 DBACC 46-50 BDCAC 51-55 ABDCC 56-60 ABCCB
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