2016年北京自考学位英语完形填空核心讲义（14）

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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. How-ever, the increase could be three times as great in the Arctic and Antarctic areas. 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. agricultureC. climate D. weather

58. A. lower B. higher C. normal D. proper

59. A. goodB. generalC. serious D. useful

60. A. getting B. playingC. taking D. growing

61. A. much B. many C. amountD. number

62. A. fall B. decrease C. refuse D. rise

63. A. leadB. keep C. make D. cause

64. A. increaseB. 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. byB. toC. ofD. with

68. A. above B. under C. below D. over

69. A. littleB. many C. fewD. much

70. A. If B. Because C. When D. Why

71. A. sunlightB. airC. rainD. gas

72. A. coldB. protect C. hurt D. heat

73. A. enterB. getC. leave D. reach

74. A. throughB. byC. from D. on

75. A. stores B. arrives C. stands D. stays

2008年11月完型填空真题

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. How-ever, the increase could be three times as great in the Arctic and Antarctic areas. 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. agricultureC. climate D. weather

58. A. lower B. higher C. normal D. proper

59. A. goodB. generalC. serious D. useful

60. A. getting B. playingC. taking D. growing

61. A. much B. many C. amountD. number

62. A. fall B. decrease C. refuse D. rise

63. A. leadB. keep C. make D. cause

64. A. increaseB. 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. byB. toC. ofD. with

68. A. above B. under C. below D. over

69. A. littleB. many C. fewD. much

70. A. If B. Because C. When D. Why

71. A. sunlightB. airC. rainD. gas

72. A. coldB. protect C. hurt D. heat

73. A. enterB. getC. leave D. reach

74. A. throughB. byC. from D. on

75. A. stores B. arrives C. stands D. stays

2008年11月完型填空真题答案

56.A科学家说某些很严重的事情正在地球上发生，地球在接下来的几年里会变得……通读文章之后，会知道文章大致是在讲温室效应的问题，因此需填表示热或暖和的词。因此选A。

57.C新世纪在……上会有很大的变化。A‘‘土地”，B‘‘农业”，C‘‘气候”，D‘‘天气”。所以选择c。

58.B海滨城市将会有……样的温度。比较四个选项，更低、更高、正常、适合。因为文章讲全球变暖，所以就会有较高的温度，选B。

59.C全球变暖会对农业产生什么样的影响。根据第一句话，在全球会出现非常严重的问题，因此对于农业也是一样，有非常严重的影响，即北方农作物生长期拉长，而在较温暖的地方将会十分干燥。这一影响的结果是农业减产（a large decrease in agriculture production）。

60.D在北方……的季节会变得更长。代入四个选项，只有D种植符合文意。

61.C 降雨量怎么样。根据前后句的内容，知道这一部分在讲in warmer areas会发生什么样的事情。前面已经说了干旱，因此这里应是降雨量减少。水不可数，The amount of water

降雨量。

62.B根据上一题的分析可知，选8。

63.D这个事情（this）就会导致农作物的产量的下降。虽然A也可以作“导致”讲，但是必须与to连用，所以应该选择D。

64.A世界温度可能会……两度。因为是温室效应，所以温度应该是升高。选A。

65.D由于这一段说的是南北极的情况，而且由于温度上升，所以融化的肯定是冰，选D。

66.B冰融化了就会提升海平面。选B。

67.A海平面的水位上升l到2米，而不是水位上升至l到2米，所以选by。

68.B很多海滨城市将会在水下。因此选under。

69.D温室效应主要是因为空气中有太多的二氧化碳，二氧化碳不可数，因此选D。

70.C选择连接词。石油、天然气和煤在燃烧的时候都会产生出很多的二氧化碳，所以选when。

71.A二氧化碳让什么东西进入大气层。比较四个选项可知应该是让太阳光进人大气层。选A。

72.D就会怎么样地球？太阳光进入以后，就会让地球变暖，地球被加热。

73.C但是它却不能让同样多的热量……跟前半句对应，这里应是又不能让同样多的热量离开大气层，应该选C。

74.C大气层就像一个毯子一样。从太阳上来的热量会穿过毯子，使地球变暖。根据heat和sun的关系可知选择from。

75.D而热量又只能是留在地球上，所以选D。A项是“储存”的意思，但是store这个词是及物动词，所以不能说heat stores there。因此排除A，选择D。