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北京08年11月成人英语三级A卷试题及答案(4)

2009-03-26 11:33  外语教育网 【 】【我要纠错

  Part IV Cloze (10%)

  Directions: There are 20 blanks in the following passage, and for each blank there are 4 choices marked A, B, C and D at the end of the passage. Then blacken the corresponding letter on the Answer Sheet.

  Scientists say that something very serious is happening to the earth. It will begin to get __56__ in the following years. There will be major changes in ___57__ in the new century. Coastal waters will have a __58__ temperature. This will have a __59__ effect on agriculture. In northern areas, the __60__ season will be ten days longer by the year 2010. However, in warmer areas, it will be too dry. The __61__ of water could __62__ by eighty percent. This would __63__ a large decrease in agriculture production.

  World temperature could __64__ two degrees centigrade by the year 2040. However, the increase could be three times as great in the Artic and Antarctic area. This could cause the __65__ sheets to melt and raise the __66__ of the oceans __67__ one to two meters. Many coastal cities would be __68__ water.

  Why is this happening? There is too __69__ carbon dioxide in the air. __70__ oil, gas and coal burn, they create large amounts of carbon dioxide. This carbon dioxide lets __71__ enter the earth’s atmosphere and __72__ the earth. However, it doesn’t let as much heat __73__ the atmosphere and enter space. It’s like a blanket. The heat __74__ the sun can pass through the blanket to warm the earth. The heat __75__ there and can’t escape through the blanket again.

  Scientists call this the green-house effect.

  56. A warmer B colder C better D worse
  57. A land B agriculture C climate D weather
  58. A lower B higher C normal D proper
  59. A good B general C serious D useful
  60. A getting B playing C taking D growing
  61. A much B many C amount D number
  62. A fall B decrease C refuse D rise
  63. A lead B keep C make D cause
  64. A increase B drop C lift D realize
  65. A water B rain C stone D ice
  66. A degree B level C coast D area
  67. A by B to C of D with
  68. A above B under C below D over
  69. A little B many C few D much
  70. A If B Because C When D Why
  71. A sunlight B air C rain D gas
  72. A cold B protect C hurt D heat
  73. A enter B get C leave D reach
  74. A through B by C from D on
  75. A stores B arrives C stands D stays

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