71. A。主旨大意题。根据文章第 1 段的第 1 句 及全文的内容可知答案为A。

72. B。主旨大意题。根据文章第 1 段最后一句中的 however 及全文内容可知，文章主要谈论人类对地壳表面的形成的认识。故答案选 B。

73. A。推理判断题。根据文章第 1 段的第 1、2 句可知，人们直到看到从太空对地球所拍的照片后才知道从远方看地球的情形。故答案选 A。

74. D。词义猜测题。根据其所在的句子 who study the movement of the continents—a science called plate… 及地理常识可知答案选 D。

75. C。事实细节题。根据文章最后一段中的 The explorers noted the east coast of North America and South America would fit almost exactly into the west coast of Europe and South Africa 及倒数第 2 段中的 the coastlines of South America and Africa could fit together like two pieces of a puzzle 可知答案应该选 C。

五、短文改错

76. 将has 改为have。在情态动词后，用动词原形。

77. 将and改为but。前后有转折之意。

78. 此行无错。

79. 将for改为as。表示“以……为例”用take...as an example。

80. 在class前加our。由后文可知此处应是“在我们班里”，而不是“在课堂上(in class)”。

81. 将learn改为learns。一般现在时，且主语是第三人称单数he。

82. 将student改为students。前面的some和后面的study都说明 student要用复数。

83. 去掉of。因为a great many（许多）后直接接名词。

84. 在are后加not。根据前后逻辑来判断。

85. 将equal改为equally。修饰形容词(rich)该用副词。

六、书面表达

Jintian Umbrella, which is designed and produced by a school factory, is a nice and fashionable umbrella. Not only is it of good quality but also the price is very reasonable. Jintian Umbrella is fit for both men and women and there are many kinds to choose from.

If you are not satisfied with it or just don’t like it after you buy it, you can return it in a week or exchange it for another one in a month. If there is anything wrong with it in two years, the factory will repair it for you for free if you pay the postage.

Buy Jintian Umbrellas, enjoy excellent lives.

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