- 阅读理解A
题干：Humanityusesalittlelessthanhalfthewateravailableworldwide.Yetoccurrencesofshortagesanddroughts(干旱）arecausingfamineanddistressinsomeareas,andindustrialandagriculturalby-productsarepollutingwatersupplies.Sincetheworld’populationisexpectedtodoubleinthenext50years，manyexpertsthinkweareontheedgeofawidespreadwatercrisis.Butthatdoesn'thavetobetheoutcome.Watershortagesdonothavetotroubletheworld-ifwestartvaluingwatermorethanwehaveinthepast.Justaswebegantoappreciatepetroleummoreafterthe1970soilcrises,todaywemuststartlookingatwaterfromafresheconomicperspective.Wecannolongeraffordtoconsiderwateravirtuallyfreeresourceofwhichwecanuseasmuchaswelikeinanywaywewant.Instead，forallusesexceptthedomesticdemandofthepoor，governmentsshouldpricewatertoreflectitsactualvalue.Thismeanschargingafeeforthewateritselfaswellasforthesupplycosts.Governmentsshouldalsoprotectthisresourcebyprovidingwaterinmoreeconomicallyandenvironmentallysoundways.Forexample,oftenthecheapestwaytoprovideirrigation(灌慨）waterinthedrytropicsisthroughsmall-scaleprojects,suchasgatheringrainfallindepressions(凹地）andpumpingittonearbycropland.Nomatterwhatstepsgovernmentstaketoprovidewatermoreefficiently，theymustchangetheirinstitutionalandlegalapproachestowateruse.Ratherthanspreadcontrolamonghundredsoreventhousandsoflocal，regional，andnationalagenciesthatwatchvariousaspectsofwateruse，countriesshouldsetupcentralauthoritiestocoordinatewaterpolicy.
题目：As indicated in the passage, the water problem_____. - A 、has been exaggerated by some experts in the field
- B 、is underestimated by government organizations at different levels
- C 、poses a challenge to the technology of building reservoirs
- D 、is already serious in certain parts of the world
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参考答案【正确答案：D】
细节题。首段第二句指出：缺水和干旱正在一些地区发生并造成饥荒和贫困。据此，可以确定D选项正确。
您可能感兴趣的试题- 1 【单选题】To prevent flooding in winter the water flowing from the dam is constantly（）by a computer.
- A 、graded
- B 、managed
- C 、conducted
- D 、monitored
- 2 【单选题】Through exposure to air, water, and organic matter, rocks（）changes known as weathering.
- A 、undergo
- B 、transform
- C 、undertake
- D 、suspend
- 3 【单选题】A cork will（）in water, but a stone sinks.
- A 、fly
- B 、flow
- C 、float
- D 、drift
- 4 【单选题】Water these flowers.Look, they( )soon.
- A 、are died
- B 、would die
- C 、are dying
- D 、will die
- 5 【阅读理解A】The passage is mainly（）.
- A 、a review of two kinds of auctions
- B 、an introduction of trading robots
- C 、a survey of the trading market
- D 、about trading alternatives
- 6 【阅读理解A】According to the passage, why is bottled water so popular?
- A 、It is much cheaper than wine.
- B 、It is considered healthier.
- C 、It appeals to more cultivated people.
- D 、It is more widely promoted in the market.
- 7 【阅读理解A】What is the real cause of the potential water crisis?
- A 、The world population is increasing faster and faster.
- B 、Half of the world's water resources have been seriously polluted.
- C 、Humanity has not placed sufficient value on water resources.
- D 、Only half of the world's water can be used.
- 8 【阅读理解A】According to the author, the water price should_____.
- A 、correspond to its real value
- B 、be reduced to the minimum
- C 、stimulate domestic demand
- D 、take into account the occurrences of droughts
- 9 【阅读理解A】In order to raise the efficiency of the water supply，measures should be taken to_____.
- A 、centralize the management of water resources
- B 、increase the sense of responsibility of agencies at all levels
- C 、guarantee full protection of the environment
- D 、encourage local and regional control of water resources
- 10 【阅读理解A】Studies of friendship have indicated that in seeking friends we_____.
- A 、are looking for sympathy
- B 、insist on them having similar attitudes to ourselves
- C 、think they resemble us more than they really do
- D 、want to be flattered
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- “燕窝”据说具有较高的营养价值，但事实上燕窝就是燕子用唾液筑成的鸟巢而已。年轻燕子筑成的燕窝又大又厚，并且整齐均匀,角度完美；但是年老燕子筑成的窝不仅可能出现缺口,而且形状怪异。燕子越老,筑成的窝就越没有章法。动物学家由此认为,随着时间的流逝,燕子的大脑会像人脑一样退化。 以下哪项如果为真,最能质疑动物学家的上述论证（）。
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