[外语类试卷]国家公共英语二级(阅读理解)练习试卷28及答案与解析.doc
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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
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