1、国家公共英语二级（阅读理解）练习试卷 28及答案与解析 0 The world is not only hungry, but also thirsty for water. This may seem strange to you, since nearly 75 percent of the earths surface is covered with water. But about 97 percent of this huge amount is seawater, or salt water. Man can only drink and use the other 3 perce
2、nt the fresh water that comes from rivers and lakes. Some of it has been polluted and unfit for drinking. However, as things stand today, this small amount of flesh water is still enough for us. But our need for water is increasing rapidly almost day by day. Only if we take steps to deal with this p
3、roblem now, can we avoid (避免 ) a serious worldwide water shortage later on so we all have to learn how to stop wasting our precious water. One of the steps we should take is to develop ways of reusing water. Today in most large cities water is used only once and then discharged (使流走 ). But it is pos
4、sible to purify (净化 ) the water so that it can be used again. But even if every large city purified end reused its water, we still would not have enough; where could we turn next? To the oceans! That is certainly a possible solution. All wed have to do is to remove the salt. This process is already
5、in use in many parts of the world. 1 Which of the following is the best title for the passage? （ A） Problems of the Modem World. （ B） Oceans. （ C） The Hungry World. （ D） A Thirsty Worl 2 To avoid worldwide water shortage in the future, the author suggests that we can _. （ A） incense rainfall （ B） de
6、velop ways of reusing water （ C） cut down the number of large cities （ D） reduce the number of factories, which use large amount of water 3 The author thinks that _. （ A） we should have enough water if every large city purified and reused its water （ B） even if we could purify and reuse the water, w
7、ater shortage might still be a problem （ C） most large cities in the world have succeeded in purifying and reusing their water （ D） purifying water is the only way to deal with the problem of water shortage 4 What is the main reason that we cannot use all of the earths water? （ A） A small amount of
8、water is not for drinking. （ B） Most of it has been polluted. （ C） About 97 percent of it is seawater. （ D） Fresh water is still enough for us. 4 Texas was the biggest state before Alaska became the forty ninth state in 1959. One good way to understand the size of Texas is to learn about its weather
9、. Different parts of the state have different kinds of weather. Laredo, Texas, is one of the hottest cities in the United States in summer. The best time to visit Laredo is in the winter when it is pleasantly warm. Amarillo gets very cold in winter. There is sometimes more snow in Amarillo than in N
10、ew York, which is a northern city. Summers are better, but sometimes it gets quite hot. The best time to visit Amarillo is in the autumn when it is cool. If anyone asks you about the weather in Texas, ask him, “What part of Texas do you mean?“ 5 Which of the following is TRUE according to the passag
11、e? （ A） Alaska is the biggest city in America. （ B） Alaska is the second biggest state in America. （ C） Texas is the biggest city in America. （ D） Texas is the second biggest state in Americ 6 Which of the following gives the correct relationship among Texas, Laredo and Amarillo? （ A） Texas is in La
12、redo. （ B） Amarillo is in Laredo. （ C） Amarillo is in Texas. （ D） Texas includes Laredo and Amarillo. 7 In the passage, the sentence “Different parts of the state have different kinds of weather“ means _. （ A） America is very big （ B） Laredo is very hot （ C） Texas is far from Alaska （ D） Texas is ve
13、ry big 8 According to the passage, Texas probably is _. （ A） in the south of America （ B） on the south of America （ C） to the north of America （ D） to the south of America 国家公共英语二级（阅读理解）练习试卷 28答案与解析 【知识模块】 阅读理解 1 【正确答案】 D 【试题解析】 选项 A的范围太大。本文的主题是 “水 ”人们可以饮用的水，所以，选项 B不合适。选项 C不是本文涉及的内容。可见，只有 D是最合适的答案。
14、【知识模块】 阅读理解 2 【正确答案】 B 【试题解析】 作者提到了两种方法： (1) to develop ways of reusing water； (2) turn to the oceansremove the salt from the sea water.可见只有选项 B是本题的正确答案。 【知识模块】 阅读理解 3 【正确答案】 B 【试题解析】 作者在文中提到 “Today in most large cities water is used only once”“even if every large city purified and reused its water,
15、 we still would not have enough” 由此可见，选项 B的内容与之相符，是正确答案。 【知识模块】 阅读理解 4 【正确答案】 C 【试题解析】 虽然地球表面 75%都由水覆盖，但这些水中的 97%都是海水，人们无法使用 。我们可利用的 3%的淡水中又有一些已被污染。所以说，虽然地球是一个 “水的星球 ”，但同时又是一个 “thirsty world”。根据以上的内容可以看出，本题的正确答案是 C。 【知识模块】 阅读理解 【知识模块】 阅读理解 5 【正确答案】 D 【试题解析】 根据文章第一句 “Texas was the biggest state befor
16、e Alaska became the forty ninth state in 1959”可知， Alaska是美国最大的州，而 Texas只不过在Alaska加入美国前称霸。 【知识模块】 阅读理解 6 【正确答案】 D 【试题解析】 根据文中第二可以得知，得克萨斯州的 Laredo是美国夏天最热的城市之一；根据第三段可知 Amarillo在冬天很冷，甚至比纽约还冷，这座城市在得克萨斯州的北部。因此，正确答案选 D。 【知识模块】 阅读理解 7 【正确答案】 D 【试题解析】 根据这句话的前一句 “One good way to understand the size of Texas is to learn about its weather.”可推知，本文以该州气候类型之多，来说明其地域之大，因此，正确答案选 D。 【知识模块】 阅读理解 8 【正确答案】 A 【试题解析】 文章在第二段指出，最好冬天去 Laredo市；文章在第三段指出，最好秋天去 Amarillo市。因此可以推断，夏天不要去炎热的得克萨斯州。所以正确答案选 A。 【知识模块】 阅读理解
