Thousandsofyearsago,itwascommontoseemanystarsinthesky. ...
问题详情:
Thousands of years ago, it was common to see many stars in the sky. 41 , this changed with the invention of 42 . Cities have gone brighter, using more lights. And that means most people in urban areas will never see beautiful groups of stars. They will never see a _43_ night sky and never be inspired by it.
Today, people are 44_ by light ----- even at night time. Much of this light _45_ where it shouldn’t be---it creates light 46_ . For example, a person can put a light outside to shine on his own house. But the light could be so strong that it may 47_ shine on his neighbor’s house. The _48_ light shining on the neighbor’s house is one kind of light pollution.
But is all this light really a big _49_ ? People need light to see, work and drive safely at night, and for many other things! But scientists say that this extra light has proven _50_ on living creatures---animals and humans.
One kind of animal _51_ by light pollution is the bird. Many birds travel to a different area of the world to lay eggs, 52_ at night. But lights from tall buildings can _53_ the birds off their natural path. They may also crash into brightly lighted buildings, in danger of losing their _54_.
Human beings experience problems _55_ light pollution too. Light affects some chemicals in people’s bodies. And people who are continually _56_ to light at night have higher rates of health problems.
People and animals need light, _57_ they also need darkness. Experts say that people must use light _58_ . Only use the amount of light that you _59_. Don’t think that more light is better light. People also can greatly _60_ light pollution by using well-designed lights, which only shine light where it should be. Using less light and better lighting decisions reduces the energy people use.
41. A. Therefore B. Besides C. However D. Meanwhile
42. A. cars B. computers C. television D. electricity
43. A. special B. natural C. dark D. big
44. A. surrounded B. controlled C. confirmed D. affected
45. A. changes B. moves C. travels D. grows
46. A. sources B. levels C. failure D. pollution
47. A. also B. just C. still D. again
48. A. direct B. extra C. sudden D. close
49. A. difference B. problem C. loss D. challenge
50. A. effects B. results C. costs D. chances
51. A. expected B. destroyed C. influenced D. discovered
52. A. early B. usually C. finally D. immediately
53. A. scare B. turn C. stop D. lead
54. A. sight B. energy C. life D. way
55. A. because of B. instead of C. in case of D. in front of
56. A. exposed B. introduced C. devoted D. limited
57. A. if B. for C. but D. or
58. A. secretly B. wisely C. sincerely D. openly
59. A. own B. provide C. need D. love
60. A. cause B. forget C. reduce D. forbid
【回答】
41-45 CDBAC 46-50 DABBA 51-55CBDCA 56-60 ACBCC
知识点:*经济文化类
题型:完型填空
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