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2009年职称英语考试理工类(B级)试题

[01-26 14:43:23] 来源：http://www.77xue.com 职称英语考试试题 阅读：8505次

概要：treat cancer .30 Chemical energy is generated .A when it is absorbed by matterB when it is cloudyC because they can pass through solid objectsD when the sunrays are fierceE when a change in the nucleus of an atom takes placeF when electron rearrangement takes place第4部分：阅读理解（第31~45题，每题3分，共45分）下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案涂在答题卡相应的位置上。第一篇 A Thirsty WorldThe world is not only hungry,it is also t

2009年职称英语考试理工类(B级)试题,标签：职称英语考试试题,职称英语考试答案,http://www.77xue.com
　　treat cancer        .
　　30 Chemical energy is generated          .
　　A when it is absorbed by matter
　　B when it is cloudy
　　C because they can pass through solid objects
　　D when the sunrays are fierce
　　E when a change in the nucleus of an atom takes place
　　F when electron rearrangement takes place
　　第4部分：阅读理解（第31~45题，每题3分，共45分）
　　下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案涂在答题卡相应的位置上。
　　第一篇       A Thirsty World
　　The world is not only hungry,it is also thirsty for water．This may seem strange to you，since nearly 75％of the earth's surface is covered with water．But about 97％of this huge amount is sea-water．or saIt water．Man can only drink and use the other 3％-the fresh water that comes from rivers，lakes，underground，and other sources．And we cannot even use all of that, beeause some of it is in the fonn of icebergs(冰山)and glaciers (冰川)．Even worse,some of it has been po1luted．
At the moment，this small amount of flesh water is still enough for us.Howeve，our need for water is increasing rapidly．Only if we take steps to deal with this problem now can we_avoid
　　a severe worldwide water shortage later on．A limited water supply would have a bad eriect on alriculture and industry．
　　In addition to stopping wasting our precious water,one useful step we shouId take is to develop ways of reusing it . Experiments have alre．ady been done in this field，but only on a small scale．
　　Today, in most large cities，water is used only once and it eventually retums to the sea or runs into underground storage tanks．But it is possible to pipe water that has been used to a
　　purifying(净化)plant．There it can be filtered(过滤)and treated with chemicals so that it can be used again just as if it were flesh from a spring．
　　But even if every large city purified and reused its water，we still would not have enougn.Where could we tum next?To the oceans!All we'd have to do to make use of the vast amount of sea-water is-remove the salt．This salt-removing process is already in use in many Parts of the world．
　　So if we take a11 these steps，we'11 be in no danger of drying up !
　　31 The phrase''the world"in the first line of the passage refers to
　　A "man"．
　　B "you"．
　　C "woman"．
　　D "they"．
　　32 What percentage of the earth's water can man actually use at present?
　　A   Nearly 75 per cent．
　　B   About 97 per cent．
　　C   Exactly 3 per cent．
　　D   Lessthan 3 per cent．
　　33 According to the passage，we can avoid a worldwide water shortage in the future by
　　A increasing rainfall．
　　B reusing water and utilizing sea-water.
　　C cutting down our consumption of water.
　　D reducing the number of factories producing steel．

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