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大学英语六级改革适用(阅读)模拟试
卷603
一、词汇理解(本题共70题,每题7.0分,共70分。)
Formanypeople,onmanyoccasions,foodisatrouble,especiallywhentryingtoeat
well.Supposewehadadefaultmealthatwasthenutritionalequivalentofwater:cheap,
healthy,[Cl]andhandy.Soylenlwillbe[C2]fordifferentbody
typesandcustomizablebasedonindividualgoals.Itallowsonetoenjoythehealth
benefitsofawell[C3]dietwithlesseffortandcost.Foranyonewho
struggleswithallergies,heartburn,acidreflux(胃酸反流)or[C4],has
(roublecontrollingweightorcholesterol(胆固醇),orsimplydoesn'thavethemeansto
eatwell,Soylenlisforyou.Soylenlfreesyoufromthetimeandmoneyspentshopping,
cookingandcleaning,putsyouinexcellenthealth,andvastlyreducesyour
environmentalimpactbyeliminatingmuchofthewasteandharmcomingfrom
agriculture,livestock,andfood-related[C5].50%ofthefoodproduced
globallyiswasted,andfoodmakesforthelargest[C6]ofmunicipalgarbage.
Ifnotforthiswastetherewouldbeplentyoffoodtoadequately[C7]
everyonealive.2millionpeoplearekilledannuallybysmokeinhalation(吸入)
fromindoorcookingstovesalone.70%ofAmericansareoverweightor[C8]
.1in7peoplegloballyarcmalnourished,and1in3inthedevelopingworld
suffersfrom[C9]Countlessothersarelivinghand-to-mouth,subsistence
farming,hinderingeconomicdevelopment.Eveninthedevelopedworld,agricultureis
themostdangerousindustrytoworkinbyoccupationalinjuriesandillnesses,andobesity
isontherise.Bytakingyearstospoil,[CIO]reducingcost,andeasing
transportationandstorage,Soylenlcouldhaveadramaticeffectonhungerand
malnutrition.ProceedsfromthepurchaseofSoylenlenableustoworkwithaidpartners
andreducehungerandenvironmentalimpactbothintheUnitedStatesandthe
developingworld.A)advantageousE)deficiencyI)nourishM)practicallyB)balanced
F)digestionJ)obeseN)strengthenC)componentC)dramaticallyK)obtainO)trashD)
convenientH)individuallyL)personalized
1、[Cl]
标准答案:D
知识点解析:形容词辨义题。根据空格前的cheap,heallhy和空格后andhandy可
判断空格处应填入一个形容词与其他三个形容词并列。根据文中含义“试想,假如
人类有一种营养价值等同于水的默认食物:便宜、健康、_______且触手可得”,
显然,obese不合适,balanced和advantageous与前面的heallhy重复,只有
convenient合适,故选D“
2、[C2]
标准答案:L
知识点解析:动词辨义题。根据空格前的be可判断该题应选一个动词过去分词,
构成被动语态,根据文中含义“Soylent将会是基于个人目标,不同的体质
定制的新型食物替代品”,可判断备选词汇中只有personalized(为个人特制)符合此
处语境,故选L。
3、[C3]
标准答案:B
知识点解析:形容词辨义题。根据空格后的diet一词,可判断空格处应填入一个形
容词,根据文中含义“人们不必耗费过多精力和财力就可以享受饮食,获
得身体健康”,符合此处语境的只有balanced(平衡的),故选B。
4、[C4]
标准答案:F
知识点解析:名词辨义题。根据空格前内容struggleswithallergies,heartburn,acid
reflux可判断此处应填入•个表示疾病的名词,只有digestion与struggleswith搭配
后表示疾病,故选F。
5、[C5]
标准答案:0
知识点解析:名词辨义题。根据空格前的内容comingfromagriculture,livestock.
andfood-related可知,空格处应填入一个名词。根据文中含义“并且能够消除大部
分源于农业、牲畜及与食物相关的所带来的浪费与损害,进而大大减少你
对环境的影响”,由此可以判断,此处空格需要填入一个表示消极意义的名词。备
选名词中irash(垃圾)符合语境,故选0。
6、[C6]
标准答案:C
知识点解析:名词辨义题。根据空格前的thelargest和空格后的of可以判断,此处
需要填入一个名词。该句的前半句中讲到,全球生产的食品一半都被浪费掉了,由
此不难推断此处想要表达的是食物成为大城市垃圾的最大组成部分。备选词汇中,
component意为“组成部分,成分”,符合此处语境,故选C。
7、[C7]
标准答案:I
知识点解析:动词辨义题。根据空格前的toadequately和空格后的everyonealive,
可判断空格处应填入一个动词原形。根据文中含义“如果没有这种浪费,将有充足
的食物地球上的每个人”,可判定备选词汇中只有nourish(滋养)符合此处
语境,故选I。
8、[C8]
标准答案:J
知识点解析:形容词辨义题,根据空格前的overweightor可判断空格处应填入一
个与overweight意思相近的形容词,只有obese(肥胖的)符合此处语境,故选J。
9、[C9]
标准答案:E
知识点露析:名词辨义题。根据空格前的sufferfrom可判断空格处应填入一个名
词。根据文中含义“全球”7的人营养不良。发展中国家1/3的人食物
—“,可判断此处应填入一个表示消极意义的词,只有deficiency(缺乏,不
足)符合此处语境,故选E。
10、[C10]
标准答案:G
知识点解析:副词辨义题。根据空格后的reducingcosi,可判断空格处应填入一个
副词,只有dramatically(大大地)与reducing搭配合适,故选G。
二、长篇阅读(本题共70题,每题7.0分,共70分。)
WhatDotheHumanitiesTeachUs?A)Humanitiesprofessorshavecomeupwitha
seeminglyfoolproof(不会错的)defenseagainstthosewhotrashdegreesin,say,English
literatureorphilosophyaswastedtuitiondollars,one-wayticketstounemployment.Oh
no,wcsay—thehumanitiespreparestudentstosucceedintheworkingworldjustaswell
asallthoseallegedpracticalmajors,maybeevenbetter.B)Weoffertoolsofthought.We
teachourstudentstounderstandandanalyzecomplexideas.Wehelpthemdevelop
powersofexpression,writtenandverbal.Thelengthyessaysweassignenhancetheir
capacitytodoindependentwork.Atourbest,weteachthemhowtoreason—and
reasoningundergirds(从底层加强,巩固)everysuccessfulprofessionalproject.Inthe
shortterm,suchadefensemayseemeffective.Butitisdeadwrong.C)IntheChronicle
ofHigherEducation,adistinguishedhumanitiesscholarrecentlywrotewithprideabouta
studentofhis,aclassicsm可or,whowrotebrilliantlyonSpinozayetplanstobecomea
militarysurgeon.ArecentarticleinBusinessInsideroffered"11ReasonstoIgnorethe
HatersandNkijorintheHumanities."Forexample:You'llbeabletodothingsmachines
can'tdoinaserviceeconomy.You'lllearntoexplainandsellanidea.You'llstandoutin
(hecrowdinthecomingSTEMglut(供应过剩).Inthesamepublication,Bracken
Darnell,thechiefexecutiveofLogitech,talkedaboutwhyheloveshiringEnglish
majors:"ThebestCEOsandleadersareextremelygoodwritersandhavethisabilityto
articulateandverbalizewhatLhey'rethinking."D)Someofmycolleaguesaregetting
quiteaggressiveaboutthislineofreasoning."Ithinkweactuallydoabetterjobgetting
peoplereadyforlawschoolandbusinessthanthepeopleineconomicsdo,"agoodfriend
whoteacheshumanitiestoldmenotlongago.Itseemsthatth,re'snoproblem,then.
Wantsuccess?Comeonin,ourtentflapisopen.I)Butthehumanitiesarcnotabout
success.They'reaboutquestioningsuccess-andeveryimportantsocialvalue.Socrates
taughtusthis,andweshouldn'tforgetit.Sure,someonewhostudiesliteratureor
philosophyislearningtothinkclearlyandwritewell.Butthoseskillsaremeanstoan
end.Thatend,asPlatosaid,islearninghowtoliveone'slife."Thisdiscussionisnot
aboutanychancequestion,"Plato'sSocratessaysinTheRepublic,"butabouttheway
oneshouldlive."F)That'swhat'sattheheartofthehumanities—informed,thoughtful
dialogueaboutthewayweoughttoconductlife.Thisdialoguehonorsnopieties:All
positionsarcdebatable;allvaluesarcupfordiscussion.RalphWaldoEmersonspeaksfor
thespiritofthehumanitiesinSelf-Reliancewhenhesaysthatwe"mustnotbehindered
bythenameofgoodness,butmustexploreifitbegoodness."Hewillnotacceptwhatthe
worldcalls"good"withoutconsideration.He'lllookintoitasSocratesdidandseeifit
actuallyisgood.G)WhenMontaignedoubtsreceivedopinionsandaskshimselfwhathe
reallyknowsandwhathedoesnot,heisactinginthespiritofthehumanities."Quesais-
Je?"or"WhatdoIknow?"washismotto.H)Socrates,whoprobablyconcentratesthe
spiritofthehumanitiesbetterthananyone,spenthistimeramblingaroundAthensasking
peopleiftheythoughttheywerelivingvirtuouslives.Hebelievedthathiscitywas
gettingproudandlazy,likeanoverfedthoroughbredhorse,andthatitneededhim,the
stinginggadfly(牛虫亡),towakeitup.TheAthenianshadtoaskthemselvesifthelives
(heywereleadingreallyweregood.Socratesdidn'thelpthemwork(heirwaytosuccess;
hehelped(hemworktheirway(oinsightandvirtue.I)Now,Americansareinlovewith
success—successfortheirchildreninparticular.Asaparentofsonsintheir20s,I
understandthisandsympathizewithit.Butourjobashumanistsisn'ttosecondwhatever
valueshappentobeinplaceinsociety.We'reheretoquestionthosevaluesandmaybe一
usingthebestthathasbeenthoughtandsaid—offeralternatives.J)Wecommonlythink
inbinaries(对,双).Vanilla(香草)istheoppositeofchocolate.Theoppositeof
success-oftendefinedtodayashigh-statusworkandabigpaycheck—isfailure.Butthe
greatbookstellusthatthisisnotnecessarilytrue.ThinkofHenryDavidThoreau'slifeof
voluntarypovertyandhisdedicationtonatureandwriting.Semeofmystudentshave
cultivatedvaluessimilartoThoreau'sandhavedonesoatleastinpartthroughthestudy
ofthehumanities.They'vebecomeenvironmentalactivistsandparkrangers.Orthey
haveworkedmodestlypaidjobstospendallthetimetheycanoutdoors.Theyarenot
failures.Norarethosewhoworkforthepoor,orwhoexploretheirartistictalents,orwho
enlistinthemilitary.Thesestudentsareusuallynotinpursuitoftraditionalsuccess.They
haveoftenbeeninspiredbyworkthey'veencounteredinhumanitiescourses—and,fora
timeatleast,theyarcchoosingsomethingotherthanmiddle-classcorporatelife.K)The
humanitiesarcnotagainstconventionalsuccess;farfromit.Manyofourstudentsgoon
todistinguishedcareersinlawandbusiness.ButIliketothinktheydosowithafuller
socialandself-awarenessthanmostpeople.Fortheyhaveapproachedsuccessasamatter
ofdebate,notasanidolofworship.Theyhaveconsideredtheoptions.Theyhavecalled
"success"intoquestionand,afterdueconsideration,theyhavedecidedtopursueit.I
havetoimagine(hatsuchpeoplearefarbetteremployees(hanthosewhohavemoved
lockstep(因循守I口)intotheiroccupations.Ialsobelievethatself-aware,questioning
peopletendtobefarmoresuccessfulinthelongrun.L)Whatmakeshumanitiesstudents
differentisn'ttheirpowerofexpression,theircapacitytoframeanargumentortheir
abilitytodoindependentwork.Yes,thesearevaluablequalities,andwehumanities
teacherstrytocultivatethem.Buttruehumanitiesstudentsareexceptionalbecausethey
havebeen,andare,engagedin(heactivitythatPlatocommends—seeking(ounderstand
themselvesandhowtheyoughttoleadtheirlives.M)Ifsomeofourcurrentdefenders
havetheirway,thehumanitieswillsurvive,butinnameonly.Thehumanitieswill
becomesynonymous(FO义的)withunreflectivetrainingfbrcorporatesuccess.What
wouldSocratesthink?
11、ThereasonwhythechiefexecutiveofLogitechloveshiringEnglishmajorsis
becausehethinkstheyaregoodatwritingandexpressing.
标准答案:C」
知识点解析:题干意为,罗技公司的首席执行官热衷于雇用英语专业学生的原因是
因为他认为他们擅长写作和表达。根据题干中的关键词thechiefexecutiveof
Logilech和Englishmajors可定位到C段。该段末句中提到,罗技公司的首席执行
官莱肯.达雷尔谈论了他喜欢雇用英语专业学生的原因:“最好的总裁和领导者都是
很出色的写手,具备阐述自己想法的能力。”由此可知,题干是对原文的同义转
述,故选C。
12、Theultimategoalofstudyingliteratureorphilosophyistolearnhowtoliveone's
life.
标准答案:E
知识点解析:题干意为,研究文学或哲学的终极目标是学会如何度过一生。根据题
干中的关键词goalofstudyingliteratureorphilosophy可定位到E段。该段第四句至
第六句中提到,研究文学或哲学的人正在学习如何清楚地思考和如何写好文章。但
是这些技能都只是实现某个终极目标的方式。那个终极巨标,正如柏拉图所说,就
是学习如何度过自己的一生。由此可知,题干是对原文的同义转述,故选E。
13、SocratesvaluedthespiritofthehumanitiesthemostbyguidingtheAtheniansto
livevirtuouslives.
标准答案:H
知识点解析:题干意为,苏格拉底最为注重人文学科的精神,他引导雅典人过有德
行的生活。根据题干中的关键词Socrates和Athenians可定位到H段。该段首句提
到,苏格拉底可能比任何人都关注人文学科的精神,他经常在雅典城里漫步,询问
人们是否认为他们自己过的是有德行的生活。随后在该段最后一句指出,苏格拉底
没有帮助雅典人获取成功,而是帮助他们获得洞察力和美德。由此可知,题干是对
原文的同义转述,故选H。
14^HumanitiesprofessorsdisagreewiththeopinionthatstudentswhomajorinEnglish
literatureorphilosophywillhavetroublehuntingforjobs.
标准答案:A
知识点解析:题干意为,人文学科教授不同意英语文学或哲学专业的学生将会很难
就业这一观点。根据题干中的关键词Englishliteratureorphilosophy和huntingfor
jobs可定位到A段。该段首句提到,有些人抨击英语文学或哲学等学位是浪费学
费,是通往失业的单程票。对此,人文学科的教授已经提出了一个貌似无懈可击的
辩解。由此可知,题干是对原文的同义转述,故选A。
15、Montaignetendedtoactinthespiritofthehumanitieshydoubtingreceived
opinionsandquestioninghisknowledge.
标准答案:G
知识点解析:题干意为,蒙HI倾向于通过质疑普遍接受的观点和质问自己的知识来
践行人文学科的精神。根据题干中的关键词:Montaigne和thespratofthe
humanities可定位到G段。该段首句指出,当蒙田对人们普遍接受的观点提出质
疑,并问自己到底知道什么,不知道什么时,他正在践行人文学科的精神。由此可
知,题干是对原文的同义转述,故选G。
16、Whatmakeshumanitiesstudentsoutstandingisthattheytrytobeself-awareand
figureouthowtheyshouldlive.
标准答案:L
知识点解析:题干意为,人文学科的学生卓尔超群是因为他们努力去进行自我认知
和弄明白他们应该如何生活°根据题干中的关键词makeshumanitiesstudents
oulstanding可定位到L段。该段末句提到,但是人文专业学生真正优秀之处在于他
们做过并且正在践行柏拉图所推崇的事——力图了解自己并且知道自己应该过什么
样的生活。由此可知,题干是对原文的同义转述,故选L。
17、TheauthortakesThoreau'sexampletotellusthatbeingrichdoesnotnecessarily
meansuccessfulandbeingpoordoesnotnecessarilymeanfailure.
标准答案:J-
知识点解析:题干意为,作者举梭罗的例子是为了告诉我们,富有并不一定意味着
成功,清贫也不一定意味着失败。根据题干中的关键词Thoreau可以定位到J段。
该段第四句提到,想想亨利.大卫.梭罗清贫的生活和对白然及写作的热爱。这句话
的出现是为了论证“当下人们的价值观未必是正确的”。由此可知,题干是对原文的
同义转述,故选J。
18、Theauthorbelievesthatpeoplewhoknowthemselveswellandliketoquestionwill
bemuchmoresuccessfulinthefuture.
标准答案:K
知识点解析:题干意为,作者相信,充分了解自己并且喜欢去质疑的人在将来会更
加成功。根据题干中的关键词knowthemselveswell和moresuccessful可定位到K
段。该段末句指出,我也相信从长远来看,有自我意识和质疑精神的人会取得更大
的成功。由此可知,题干是对原文的同义转述,故选K。
19>InSelf-Reliance,RalphWaldoEmersonencouragedpeopletoexplorethegoodness
ofthingsbeforebelievingi(.
标准答案:F
知识点角》析:题干意为,在《论自助》中,拉尔夫.沃尔多.爱默生鼓励人们先去探
求事物的“善”而后再去相信它。根据题干中的关键词Self-Reliance和Emerson可定
位到F段。该段第三句提到,在《论自助》一文中。拉尔夫.沃尔多.爱默生道出人
文学科的精神,他说我们“不应被善的名义羁绊,而必须探求其是否为善他不会
不假思索地接受世人所谓的“善他会像苏格拉底那样探究清楚其是否真的为善。
由此可知,题干是对原文代同义转述,故选F。
20、Theauthorthinkstheirjobashumanistsistoquestionthepopularvaluesinsociety
andprovidepeoplewithdifferentchoices.
标准答案:I
知识点解析:题干意为,作者认为他们作为人文学者的任务就是去质疑社会中流行
的价值观,并为人们提供不同的选择。根据题干中的关键词iheirjobashumanists
可定位到I段。该段最后两句提到,但是作为人文学者,我们的工作不是赞同社会
中任何一种恰好大行其道佗价值观。我们的存在是要质疑这里价值观并且或许-
利用已有的思想和言论的精华——提供备选。由此可知,题干是对原文的同义转
述,故选I。
三、仔细阅读(本题共10题,每题1.0分,共10分。)
Thisyearmarkedthe50thanniversaryofthepublicationofEPThompson'sTheMaking
oftheEnglishWorkingClass,whichrevolutionizedthestudyofhistory.Untilthen,
historyhadbeenmainlyaboutthepowerful—therulingorderofkingsandqueens,
aristocrats,industrialists,soldiers,politiciansandlandowners—andtheinterpretationof
(heworldthroughtheircultureandbeliefsystems.WithThompson'sbook,thiswas
turnedupsidedown—"historyfrombelow"wasanewwayofseeing由ework!through
theeyesofthenewrisingworkingclassoftheearly19thcenturyandthemovementsand
ideasthatitanditsalliescreated.Hesought"torescuethepoorstockinger,theLuddite
croDDer.(he'obsolete'(被淘汰的)hand-loomweaver,ihe'U【0Dian'arlisan.andeven【he
easy-cheatedfollowerJoar.naSouthcotL「romiheenoimousarroganceoffspring".
Thisapproachtohistoryisnewunderattackfromthetheoristofthenewrightandfrom
coalitioneducationministers.Butwhydoesthismatter?Thereareatleasttworeasons
whythisissuehasdirectrelevance.First,thecurrentdominanceofneoliberal(新自由主
义者),elitistideologythreatenstocreateaculturallytotalitatian(极乐主义)Orwellian
societywithnospaceforalternativeconceptions.Thegapbetweentherichandpowerful
andtherestisaccompaniedbyasimilargulfinpoliticalperceptions.Theresultisthatthe
politicalprocessbecomesmoreandmorediscredited.Thisclosingdownofthe
discussionofalternativeanalysesisexemplifiedbytherevoltofeconomicsstudents
againstbeingtaughtexclusivelytheneoclassicalorthodoxies,andtheirdemandsthat
alternativetheories—thoseofMarx,AdamSmithandKeynes—shouldbeincludedin
(heircurriculums.Second,Thompsonshowedhowfundamentalsocialandpolitical
changecamefrommovementsofthe"commonpeople".Hehadlittletimeforpolitical
partiesandtheirbureaucratizedprocesses,stilllessforthebeliefthathistorywas
predetermined:hebelievedinthehumanagencyofordinarypeoplemakingtheirown
history.Asheputit,"Theworkingclassdidnotriselikethesunatanappointedtime.It
waspresentatitsownmaking."Inthissense,hispositionprefiguresthenon-aligned
progressiveleftoftheearly21stcentury—exemplifiedbytheGreens,theOccupy
movement,UKUncut,andtheoppositiontotherenewalofTrident.Theconsequencesof
forgettingtheselessonswouldbeprofound.Politicaldisillusionmentandalienationmay
increase.Avacuumindemocraticpoliticsislikelytoleadtotheriseofthepopulist,
xenophobic(恐惧外国人的)right,ascanbeseeninthecurrentpoliticsofboththeUK
andotherEuropeansocieties.Thestakescouldhardlybehiglier.
21>Whatdoes"this"(Line1,Para.2)referto?
A^Historyfrombelowwasanewwayofseeingtheworld.
B、Thecurrenthistorystudyismostlyabouttheworkingclass.
C、Neoclassichistoriansallownoalternativesbutorthodoxies.
D、Historyhadbeenpredominantlyaboutthepowerfulclass.
标准答案:D
知识点解析:语义题。根捱题干中的this可定位到原文第二段第一句。根据以往做
题经验,指代类题目应到关键词前后找答案。this之前的第一段第二句提到以往历
史都是关于权势人物的,ihis之后提到了汤普森从工人阶级的眼光去看待世界,要
把工人阶级“拯救”出来,而本文作者是支持汤普森的观点的,由此可判断this指代
“历史都是关于权势人物的”,故选Do
22、WhydidThompsonseek"torescuethepoorstockinger..offspring"(Line4,Para.
2)?
A^Becausetheylivedinpoorandmiserableconditions.
B、Becausetheywereoppressedbytherulingclass.
C、Becausetheyactuallycreatedhistorybutnoonevaluedthem.
Becausetheymadeterribleproductsandnoonelikedthem.
标准答案:C
知识点解析:推断题。根据题干中的rescueIhepoorslockinger可定位到原文第二段
第二句。该句提到汤普森要将织袜工等这些人从后人的无比傲慢中拯救出来。本题
的关键是理解“后人的傲慢”,第五段第二句提到“他相信大众创造自己的历史“,可
见汤普森认为后人并没有认可这些工人阶层,可知C选项符合题意,故选C。
23、Whatmadeeconomicsstudentsrebelagainsttheiruniversities?
A^Universitieschargedtoohightuitionfee.
B、Universitiesofferedterriblecoursesforthemtochoose.
C、Universitiesonlyteachthemneoclassicalorthodoxies.
D、Universitiesaskedstudentstolearnothertheories.
标准答案:C
知识点解析:细节题。根据题干中的economicsstuden〔s可定位到原文第四段最后
•句,该句提到,学生们抗议学校只教他们新古典主义经济理论,要求学校提供马
克思等人的理论,指出了学生们抗议的直接原因是学校只教他们单一的新古典主义
经济理论,故选C。
24Whataretheconsequencesofforgettinghistoricallessons?
A、Therewillbeincreasingpoliticaldisillusionmentandalienation.
B、Therewillbemoresocialchaosandrevolts.
C、Avacuumindemocraticpoliticsislikelytodisappear.
D、Thepopulist,xenophobicrightwilldecrease.
标准答案:A'
知识点解析:细节题。根据题干中的theconsequencesofforgelling。historical
lessons可定位到原文最后一段前两句。该两句提到,忘记这些教训的后果是严重
的,政治幻想的破灭和疏离可能会增加,故A选项正确;民主的真空可能会导致
民粹主义和排外倾向增加,故C、D选项错误;B选项内容未提到,故不选。
25、Whichofthefollowingopinionsisrightaccordingtotheauthor?
A、Historyshouldbepredominatedbytherichandpowerful.
B、Theworkingclasscreatedhistoryandtheyshouldnotbeforgotten.
C、Thecurrentsocialmovementsareledbyneoclassictheorists.
D^Thenextgenerationshouldbetaughtorthodoxies.
标准答案:B
知识点解析:细节题。根据第二段第一句thiswasturnedupsidedown可知作者不赞
成“历史应该由权势人物霸占”,故排除A;C项内容原文未提到;由笫四段最后一
句可知学生们应学习各种经济学理论,D选项错误;由第五段第二句和第二段第二
句可知大众创造了历史,人们不应该忘记,B选项符合,故选B。
Anewstudy,publishedintheinternationalscientificjournalNature,revealedthatan
estimatedhalfamillioncubickilometersoflow-salinitywaterareburiedbeneaththe
seabedoncontinentalshelvesaroundtheworld."Thevolumeofthiswaterresourceisa
hundredtimesgreaterthantheamountwe'veextractedfromtheEarthssub-surfaceinthe
pastcenturysince1900,"saysleadauthorDr.VincentPostoftheNationalCentrefor
GroundwaterResearchandTraining(NCGRT)andtheSchooloftheEnvironmentat
FlindersUniversity.Dr.Postsaidthatwhilescientistsknewoffreshwaterunderthe
seafloor,theythoughtitonlyoccurredunderrareandspecificconditions.Thesereserves
wereformedoverthepasthundredsofthousandsofyearswhenonaveragethesealevel
wasmuchlowerthanitistoday,andwhenthecoastlinewasfurtherout,Dr.Post
explains."Sowhenitrained,thewaterwouldinfiltrateintothegroundandfillupthe
watertableinareasthatarenowadaysunderthesea."Ithappenedallaroundtheworld,
andwhen(hesealevelrosewhenicecapsstartedmeltingsome20,000yearsago.these
areaswerecoveredbytheocean."Theseaquifers(含水层)protectedfromseawaterby
layersofclayandsedimentthatsitontopofthem."Theaquifersarcsimilartotheones
belowland,whichmuchoftheworldrelicsonfordrinkingwater,andtheirsalinityis
lowenoughfor(hemiobe(urnedintopotablewater.Dr.Postsays."Therearetwoways
toaccessthiswater-buildaplatformoutatseaanddrillintotheseabed,ordrillfromthe
mainlandorislandsclosetotheaquifers."Freshwateronourplanetisincreasinglyunder
stressandstrainsothediscoveryofsignificantnewstoresoffthecoastisveryexciting.It
means(hatmoreoptionscanbeconsideredtohelpreducetheimpactofdroughtsand
continentalwatershortages.1'Butwhilenationsmaynowhavenewreservesoffreshwater
offshore,Dr.Postsaystheywillneedtotakecareinhowtheymanagetheseabed:"For
example,wherelow-salinitygroundwaterbelowtheseaislikelytoexist,weshouldtake
carenottocontaminateit.DrPostalsowarnsthatthesewaterreservesarenon
renewable:"Weshould
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