2021-2022年山西省晋中市公共英语五级(笔试)真题(含答案)

2021-2022年山西省晋中市公共英语五级(笔试)真题(含答案)学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.Fatcellsblockbodyheatfromescapingquickly.

A.RightB.Wrong

2.WhatdoesDr.Huberthinkaccomplishthesameobjective?

3.Whatwasusedtocarrymostmailafterthecoloniesbecameanation?

4.Whatservicemustbepaidfor?

A.Computerclasses.

B.Trainingsessions.

C.Laserprinting.

D.Packageborrowing.

5.Whatwouldhappentoastudentifhisemployerreportshisimproperbehavior?

A.Hewouldbefired.

B.Hewouldnotgethispay.

C.Hewouldnotgetanotherjob.

D.Hewouldbefined.

6.Whichsubjectdoesthestudentsayshewasgoodat?

A.Computerprogramming.

B.Artanddesign.

C.Electronics.

D.Mathematics.

7.WhendidDicksongotoBostonforeyetreatment?

A.In1848.

B.Intheearly1850s.

C.Inthelate1850s.

D.Intheearly1860s.

8.Judgingbytheextraordinarilywarmclothessomepeoplewear,whatmightwelearnaboutthem?

A.Theymaybehomesickandfeelinsecure.

B.Theyareeithercoldorverysick.

C.Theymaytrytoattractotherpeople'sattention.

D.Theywanttoprotectthemselvesfromphysicalinjuries.

9.Whatadvantagesdoesworkhave?

10.PartA

Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.

听力原文：W：Comein,please.

M：Goodmorning,Dr.Wilson.

W：Goodmorning,Wang.Hownicetomeetyouagain.Takeaseat…whydon'tyou,please.Whendidyougettotheuniversity?

M：Iarrivedyesterday.

W：Well…areyoulivinginthecollege?

M：No,IamwithanEnglishfamily…actually…becauseIwanttoimprovemyspeaking.

W：Oh,fine.Right,didyoutakealanguageproficiencytestbeforeyoucame?

M：Yes.Uhh…myOverallBandis6,but…unfortunatelymyspeakingscoreisonly5.

W：OK,youknow,hereinthisuniversity,youhavetotakeourownEnglishtestbeforeyouattendanylectures.So,firstofau．whatwe'vegottodois,wehavetomakeanarrangementforthetestdate.Umm…willtomorrowbeallfightforyou?

M：Yeah,Ihavetimetomorrowmorning.

W：Good,then．Tomorrowatten.Idon'tthinkthetestwillbeanyproblemforyou.Now,let'smakesureyoumakegooduseofyourtimehere.Let'sputitlikethis.Whatexactlydoyouwanttoaccomplishinthenext12months?

M：I'minterestedincomputerlanguagetranslation,Imean,fromEnglishtoChineseandChinesetoEnglish.I'lltry,ifpossible,toproducesoftwareoradevicewhichcanserveasaninterpreter.

W：Yes,couldyoubeabitmorespecificabout…er…thedevice?

M：Forinstance,whenyoutalktothedeviceinEnglishitwilltranslateyourwordsintoChineseandviceversa.

W：Uhuh…doyoumeanit'llbeascompetentas…er…ahumaninterpreter?

M：Yes…well,I'llletitdealwithgeneralsituations,atleast.

W：Fascinating…andhowbigwillthedeviceitselfbe,doyouthink?

M：Thesizeofacigarettepack,Ithink.Sopeoplecanputitintheirpocket.

W：Really?Well,thatcouldbeaPh.Dproject.Tellmewhatyouhavedonesofar.

M：Inmyfouryearsofundergraduatestudy,Istudiedelectronics,advancedmathematics,hardwaredesigning,somecomputerlanguagesandprogramwriting.

W：Yes,buthaveyoudoneanypracticaljobs?Imean,haveyouwrittenanyprogramsforpracticaluse?

M：IhadbeeninvolvedinaprojectforCADinashipyard.

W：Computeraideddesign.Thatwasprobablyagoodexperience,but,unfortunately,itmaynothelpyourpresentprojectmuch.AreyoufamiliarwiththeC-language?

M：No.

W：Uhuh…thephoneticprocessingsystem,doyouknowhowsuchasystemworks?

M：Whatdoyoumeanby“phoneticprocessingsystem”?

W：Well,youknow,Englishisspokenbydifferentpeoplewithdifferentaccents.YourEnglishaccentisdifferentfrommine,andofcoursemineisnotthesameasmycolleagues.SoasIseeit．yourdevicewouldhavetobeabletorecogniseandunderstanddifferentaccents.

M：Oh,Isee.IthinkIcanlearntheC-languageandthephoneticprocessingsystemhere.

W：Well,that'sprobablytrue,butyou'vegotonlytwelvemonthsandyouwantadegree,don'tyou?

M：Yes.

W：OK,sothere'retwowaysofstudyingforadegreehere.Youeithertakesixcourses,passtheirexamsandhaveyourdissertationacceptedortheotherwayisyoudosomeresearchworkandsubmityourprojectreport.

M：IthinkI'lltakethesecondway.

W：Fine,butareyousureyoucallfinishyourprojectintwelvemonths?

M：Idon'tknow.butIcanworktwelvehoursperdayandsevendaysperweek.

W：Well,I'dsuggestyouspendsometimeinourlibrary,tryingtofindoutwhatotherstudentshavedonebeforeandperhapsreconsideryourownproject,tosomeextent.Youmightnarrowyourresearcharea,concentratingonsolvingoneortwomajorproblems.And,it'dbeagoodideatotalktoyourcolleaguesinthelab,first.Anyway,I'msurewecanworkoutsomethinggood.ShallIseey

A.RightB.Wrong

11.Listthreetraditionalfemaleoccupationsmentionedinthetalk.

12.Whatactiondidthetramptake?He______.

A.lootedthestore

B.madehimselfathome

C.wenttosleepfor2days

D.hadaChristmasparty

13.PartB

Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.

听力原文：M:Ireallydon'tknowwhattodothissummer.Ican'taffordtojustsitaround,andtheredon'tseemtobeanyjobsavailable.

W:Whydon'tyoutryhouse-sitting?LastsummermyfriendSallyhouse-satfortheGammonswhentheywentawayonvacation.Mrs.GammonhiredSallytostayintheirhousebecauseshedidn'twantitleftempty.

M:YoumeantheGammonspaidSallyjusttoliveintheirhouse?

W:Itwasn'teasy.Shehadtomowthelawnandwaterthehouseplants.AndwhenJodihouse-satforMr.Johnson,hehadtotakecareofhispets.

M:House-sittingsoundslikeagoodjob.Iguessit'salittlelikebaby-sitting—exceptyou'retakingcareofahouseinsteadofchildren.

W:Thestudentemploymentofficestillhasafewjobsposted.

M:DoIjusthavetofilloutanapplication?

W:SallyandJodihadtointerviewwiththehomeownersandprovidedthreereferenceseach.

M:Thatseemslikealotoftroubleforasummerjob.

W:Well,thehomeownerswantsomeguaranteesothattheycantrustthehouse-sitter.Youknow,theywanttomakesureyou'renotthetypewho'11throwwildpartiesintheirhouse,ormoveagroupoffriendsinwithyou.

M:House-sitterswhodothatsortofthingprobablyaren'tpaidthen.

W:Usuallythey'repaidanywayjustbecausethehomeownersdon'twanttomakeafuss.Butifthehomeownerreportedit,thenthehouse-sitterwouldn'tbeabletogetanotherjob.Soifthehomeownerreportedit,thenthehouse-sitterwouldn'tbeabletogetanotherjob.Sowhydon'tyouapply?

M:Yeah,IthinkIwill.

Whichjobdocsthewomansuggesttotheman?

A.Baby-sitting.

B.House-cleaning.

C.House-sitting.

D.Mowingthelawn.

14.Wanghaslittleknowledgeofthephoneticprocessingsystem.

A.RightB.Wrong

15.Mr.Millerdidchangesonthehouseonlyforfun.

A.TrueB.Fasle

二、2.UseofEnglish(10题)16.

【C18】

17.

【C6】

18.

【C10】

19.

【C11】

20.Themostobviouspurposeofadvertisingistoinform.theconsumerofavailableproductsorservices.Thesecond【31】______istoselltheproduct.Thesecondpurposemightbemoreimportanttothemanufacturersthanthe【32】______.Themanufacturersgobeyondonlytellingconsumersabouttheirproducts.Theyalsotrytopersuadecustomerstobuythe【33】______bycreatingadesire【34】______it.Becauseofadvertisement,consumersthinkthattheywantsomethingthattheydonotneed.Afterbuyingsomething,thepurchasercannotalwaysexplainwhyitwas【35】______.

Even【36】______thepurchaserprobablydoesnotknowwhyheorsheboughtsomething,themanufacturers【37】______.Manufacturershaveanalyzedthebusinessof【38】______andbuying.Theyknowallthedifferentmotivesthatinfluenceaconsumer'spurchase—somerationaland【39】______emotional.Furthermore,theytakeadvantageofthis【40】______.

Why【41】______somanyproductsdisplayedatthecheckoutcountersingrocerystores?Thestoremanagementhassomegood【42】______.Bythetimethecustomeris【43】______topayforapurchase,heorshehasalreadymaderational,thought-outdecisions【44】______whatheorsheneedsandwantstobuy.The【45】______feelsthatheorshehasdoneagoodjobofchoosingtheitems.Theshopperisespeciallyvulnerableatthispoint.The【46】______ofcandy,chewinggum,andmagazinesareveryattractive.Theypersuadethepurchasertobuysomethingforemotional,not【47】______motives.Forexample,thecustomerneitherneedsnorplanstobuycandy,butwhilethecustomerisstanding,waitingtopaymoney,heorshemaysuddenlydecidetobuy【48】______.Thisisexactly【49】______thestoreandthemanufacturerhopethatthecustomerwill【50】______.Thecustomerfollowshisorherplan.

(31)

21.

【C2】

22.(46)

23.(36)

24.

【C8】

25.

【C9】

三、3.ReadingComprehension(15题)26.

Whycouldnotceramicsbeusedwidelyinthepast?

A.Becauseoftheirbrittleness.

B.Becausepeopledidn'tknowhowtousethem.

C.Becausetheywerenotuseful.

D.Becausetheycouldnotresistheat.

27.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

A=BOOK1B=BOOK2C=BOOK3D=BOOK4

Whichbook(s)say(s)that...

theclimateaffectsthefuturesustainableagriculturaldevelopment?71.______

environmentalcontrolisrelatedwiththenationalrevenues?72.______

theenvironmentalproblemsarenotcausedovernight?73.______

avarietyofspeciesareonthedecrease?74.______

agricultureisalsoafactorforfiledegradationofenvironment?75.______

pollutioncanbecontrolledbyincreasingtheproductioncostofpollutinggoods?76.______

pollutioncontrolneedsthesupportoftechnologyandtechniques?77.______

provideslessonsforagriculture,trade,landuseandtaxpolicyfromaneconomicperspective?

78.______

thedegradationofenvironmentcausesthechangeofclimate?79.______

theapproachestoresearchshouldbeadjustedtothechangingsituation?80.______

A

BOOK1

Thebookoffersacomprehensiveperspectiveontheconsequencesandpossiblepolicysolutionsforclimaticchangeaswemoveintothetwenty-firstcentury.Itassessestheimpactofpotentialfeatureglobalclimatechangeonagricultureandtheneedtosustainagriculturalgrowthfortheeconomicdevelopment.

Thebookbeginsbyexaminingtheroleofinternationalresearchinstitutionsinovercomingenvironmentalconstraintsonsustainableagriculturalgrowthandeconomicdevelopment.Theauthorsthendiscusshowagriculturalresearchsystemsmayberestructuredtorespondtoglobalenvironmentalproblemssuchasclimatechangeandlossofgeneticdiversity.Thediscussionthenextendstoconsiderenvironmentalaccountingandindexing,toillustratehowenvironmentalqualityc;inbeincludedformallyinmeasuresofnationalincome,socialwelfareandsustainability.Thethirdpartofthebookfocusesontheeffectsofandpolicyresponsestoclimatechange.Chaptersinthispartexaminetheeffectofclimatechangeonproduction,trade,landusepatternsandlivelihoods.Theyconsiderimpactsonthedistributionofincomebetweendevelopedanddevelopingcountriesremainamajoreconomicactivity.Authorstakeonaneconomy-wideperspectivetodrawlessonsforagriculture,trade,landuseandtaxpolicy.

B

BOOK2

Theozonelayeristhreatenedbychemicalemissions;theclimateisendangeredfromfossilanddeforestation,andglobalbiodiversityisbeinglostbyreasonofthousandsofyearsofhabitatconversions.Globalenvironmentalproblemsariseoutoftheaccumulatedimpactsfrommanyyears'andmanycountries'economicdevelopment.Inordertoaddresstheseproblemsthestatesoftheworldmustcooperatetomanagetheirdevelopmentprocessestogether—thisiswhataninternationalenvironmentalagreementmustdo.Butcantheworld'scountriescooperatesuccessfullytomanageglobaldevelopment?Howshouldtheymanageit?Whoshouldpayfortheprocess,aswellasfortheunderlyingproblems?

Thisbookpresentsanexaminationofboththeproblemandtheprocessunderlyinginternationalenvironmentallawmaking:therecognitionofinternationalinterdependence,thenegotiationofinternationalagreementsandtheevolutionofinternationalresourcemanagement.Itexaminesthegeneralproblemofglobalresourcemanagementbymeansofgeneralprinciplesandcasestudiesandbylookingathowandwhyspecificnegotiationsandagreementshavefailedtoachievetheirtargets.

Thebookisdesigned

28.TheVillageGreeninNewMilford,Connecticut,isasnapshotofNewEnglandcharm:acarefullymanicuredlawnflandedbyscrupulouslymaintainedcolonialhomes.Babysittersdandlekidsinthewoodengazebo,waitingforcommuterparentstoreturnfromNewYork.OnalazyafternoonlastweekCarolineNicholas,16,hadnothingmorepressingtodothandrinkintheearly-summersunshineanddiscusstherecenteventsintown."Idon'tthinkalotofolderpeopleknewtherewereunhappykidsinNewMilford,"shesaid,"Icouldseeitcorning."

Inafive-dayperiodinearlyJuneeightgirlswerebroughttoNewMilfordHospitalafterwhathospitalofficialscallsuicidalgestures.Thegirls,allbetween12and17,triedavarietyofmeasures,includingheavydosesofalcohol,o-ver-the-countermedicinesandcutsorscratchestotheirwrists.Nonewassuccessful,andmostdidn'trequirehospitalization;butatleasttwoattempts,accordingtothehospital,couldhavebeenvital.Theirreasonsseemedasmundaneastheotherhappen-stancesofsuburbanlife."Iwasjustsickofitall,"Onetoldareporter,"Everythinginlife."Mostalarming,emergency-roomdoctorFrederickLohsetoldalocalreporterthatseveralgirlssaidtheywerepartofasuicidepact.Thehospitallaterbackedawayfromthisremark.Butcominginthewakeofatleastsixteensuicideattemptsoverthepreviousfewmonths,thissuddencluster—alongwiththeinfluxofmedia—hassetthiswell-groomedsuburbof23,000onedge.AtatownmeetinglastWednesdaynight,DrSimonSobo,chiefofpsychiatryatthehospital,toldmorethan200parentsandkids,"We'retalkingaboutacrisisthathasreallygottenoutofhand."Laterheadded,"TherehavebeenmoresuicideattemptsthisspringthanIhaveseeninthe13yearsIhavebeenhere."

Sobosaidthatthegirlshetreateddidn'thaveseriousproblemsathomeorschool."Manyofthesewerepopularkids,"hesaid,"Theygotplentyoflove,butbeneaththereassuringsigns,aswathofteensherearenotmakingit."Somesaythatdrugs,bothpotand'realdrugs',arecommonplace.KidshaveshownupwithLIFESUCKSandLONGLIVEDEATHpennedontheirarms.Afewgirlscasuallydisplayscarsontheirarmswheretheycutthemselves."You'dbesurprisedhowmanykidstrysuicide,"saidonegirl,17."Youdon'twanttoputpainonotherpeople;youputitonyourself."Shesaidsheusedtocutherself"justtoreleasethepain".

Emily,15,afriendofthreeofthegirlstreatedinJune,saidonewashavingfamilyproblems,onewas"upsetthatday"andthethirdwas"justupsetwitheverythingelsegoingon".Shesaidtheyweren'treallytryingtokillthemselves—theyjustneededconcern.AsSobonoted,"What'sgoingoninNewMilfordisnotuniquetoNewMilford."Thesameunderlyingcultureofdespaircouldbefoundinanytown.Butteensuicide,headded,canbea"contagion".RightnowNewMilfordhasthebug—andhasitbad.

Whatisthemainsubjectofthepassage?

A.EightgirlscommittedsuicideinNewMilford.

B.ThevillageGreenisnotacharmingplace.

C.Teenagersuicide.

D.Dr.SimonSobo'sachievements.

29.PartC

Directions:Answerquestions71-80byreferringtothefollowinggames.

Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

Note:AnswereachquestionbychoosingA,B,CorDandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.

A=BOOKREVIEW1B=BOOKREVIEW2

C=BOOKREVIEWS3D=BOOKREVIEW4

Whichbookreview(s)contain(s)thefollowinginformation?

Comparisonofthesignificanceoftwoeconomicbooks.71.______

Stiglitz'sprestigeinthefieldofeconomics.72.______

Stiglitz'scriticismofthosewhoexaggeratedthepowerofmarketsindevelopingcountries.73.______

Policymakingshouldconsiderlocalconditions.74.______

Theinterventionofgovernmentisthewaytoassistglobalization.75.______

Stiglitz'sdedicationtothedevelopmentofpoorcountries.76.______

Stiglitz'spreferenceofonetypeofeconomicpolicyoveranotherone.77.______

MorepeoplejoinedStiglitzincriticizingfreetradeandglobalization.78.______

Stiglitz'spointshavebeensupportedbywhatactuallyhappenedinthecountry.79.______

MainlygivespositivecommentsonStiglitzandhisnewbook.80.______

A

Themainpointofthebookissimple:globalizationisnothelpingmanypoorcountries.Incomesarenotrisinginmuchoftheworld,andadoptionofmarket-basedpoliciessuchasopencapitalmarkets,freetrade,andprivatizationaremakingdevelopingeconomieslessstable,notmore.Insteadofabiggerdoseoffreemarkets,Stiglitzargues,what'sneededtomakeglobalizationworkbetterismoreandsmartergovernmentintervention.Whilethishasbeensaidbefore,theideascarrymoreweightcomingfromsomeonewithStiglitz'scredentials.Insomeways,thisbookhasthepotentialtobetheliberalequivalentofMiltonFriedman's1962classicCapitalismandFreedom,whichhelpedprovidetheintellectualfoundationforagenerationofconservatives.ButGlobalizationandItsDiscontentsdoesnotrisetothelevelofcapitalismandfreedom.WhileStiglitzmakesastrongcaseforgovernment-orienteddevelopmentpolicy,heignoressomekeyargumentsinfavorofthemarket."Thebook'smainvillainistheInternationalMonetaryFund,theWashingtonorganizationthatlendstotroubledcountries",Stiglitz'contemptfortheIMFisboundless,"ItisclearthattheIMFhasfailedinitsmission,"hedeclares."ManyofthepoliciesthattheIMFpushedhavecontributedtoglobalinstability."

B

Whilepartsofthisbookaredisappointinglyshallow,Stiglitz'scritiqueofthemarket-driven90'sstillresonates,especiallywhenthebusinesspageisfullofstoriesaboutwhite-collarcrimeandthestockmarketseemsstuckinaperpetualrut.EventheUnitedStatescannotblithelyassumethatfinancialmarketswillworkonautopilot.ItistestamenttothesalienceofStiglitz'sargumentsthatmanyeconomists—evensomeBushAdministrationofficials—nowembracehisviewthateconomicchangeinthedevelopingworldmustevolvemorewithlocalconditions,notonWashington'scalendar.Withoutathoroughmakeover,globalizationcouldeasilybecomeaquagmire.StiglitzsharedaNobelPrizelastyearforhisworkanalyzingtheimperfectionsofmarkets.Hismaincomplainta-gainstRubinandSummers,whoservedasTreasurySecretaries,andagainstFischer,theNO.2officialanddefactochiefexecutiveoftheinternationalMonetaryFund,isthattheyhadtoomuchfaiththatmarketscouldtransform.poorcountriesovernight.Helabelsthesethreemenmarketfundamentalists,whofoughttomaintainfinancialsta

30.

Whichofthefollowingstatementsistrue?

A.Americans'caloricintakehasdroppedoverthelastfewdecades.

B.Manypeoplewhotrytoloseweightgiveuphalfway.

C.Americansarealwaysawareofhowmuchtheyeat.

D.Obesitydoesnoharmtopeople'shealth.

31.

Accordingtothepassage,whichofthefollowingisTRUE?

A.AllAmericansarepersuadednottogetvaccinatedthisyear.

B.Thebigproblemininnovatingfluvaccineproducingtechniqueishowtogrowvirusinanewway.

C.Morefluvaccinescannotbeproducedinashorttimebecauseprivatecompaniesrefusetoproducemore.

D.Fluvaccinesareeasierthanmostvaccinestoproducethroughcellcultures.

32.

WhatdoestheauthorthinkofBotticelli'srepresentationskills?

A.Theyaretobefullyappreciated.

B.Theyevolvefromanuncertainsource.

C.Theyunderliehispersonality.

D.Theyconform.totheclassicalstyle.

33.

______canpromotetourismdevelopment?

34.

Thearticleconcludesthat______.

A.thecreationofjobsforallisanimpossibility

B.oureffortsandresourcesintermsoftacklingunemploymentareinsufficient

C.peopleshouldbeginsupportingthemselvesbylearningapracticalskill

D.weshouldhelpthosewhosejobsareonlypart-time

35.(69)

36.

Theenclosuresofthe1thand18thcenturiesmeantthat_______．

A.peoplewerenolongerlegallyentitledtoownland

B.peopleweredriventolookelsewhereformeansofsupportingthemselves

C.peoplewerenotadequatelycompensatedforthelossoftheirland

D.peoplewerebadlypaidfortheworktheymanagedtofind

37.

TheviewsofVasariandHomeonBotticelli'sproductsare______.

A.identicalB.complementaryC.oppositeD.similar

38.(72)

39.

Whenmentioning"the$4millionto$10millionrange"(Line3-4,Paragraph3)theauthoristalkingabout______.

A.goldmarket

B.realestate

C.stockexchange

D.ventureinvestment

40.(67)

四、阅读理解(5题)41.

第

28

题

theenvironmentalproblemsarenotcausedovernight?__________

42.

第

34

题

AccordingtooHoyleandhisfriendsatCambridge，_________．

43.

根据下列选项回答46～50题：

第

46

题

1.__________

44.

第

44

题

influencesmostmoviesconcerningthecriminalelementsnowadays?__________

45.

第

32

题

Wecanlearnfromthetextthatartcriticshaveahistoryof__________．

参考答案

1.A

2.Artandscience

3.Thestagecoach．

4.C

5.C

6.D

7.D

8.A

9.Satisfactionandmoney．

10.A

11.Teachersnursessecretaries．

12.B

13.C

14.A

15.B

16.promisingpromising解析：此句意为“一家大制造公司最近采访了许多…的工程师，这些工程师都已离开这家公司。”由上下句判断，此空处填“有希望的，有前景的”最合句意。

17.thoughthough解析：本句话的意思是“尽管知道顾客们可能不知道自己为什么买了这些商品，但是卖家却知道怎么去做。”故答案为though。

18.byby解析：由日本政府收集的数据。考查被动语态的用法，“由…”用介词“by”。所以此处应填“by”。

19.toto解析：revertto意为“重想，重提”，此句意为“如果你经常提到‘我们以前已经试着这样做了，但是不管用’就会很快地挫伤这种好问的头脑”。

20.purposepurpose解析：从文中的第一句话“Themostobviouspurpose…”可以看出后面还有别的目的，而不是仅仅有最明显的目的。故答案为purpose。

21.whowho解析：此空后的句子显然为定语从句，修饰“Behaviorists”，所以应填一个who，引导修饰人的定语从句。

22.toto解析：“shift”意为“转变”，“从…到…的转变”应该用介词“to”。所以此处应填“to”。

23.thosethose解析：本句的意思是“他们不认为自己比别的不重要的人更好、更优秀。”这里比较的是down—to—earthpersons和别人。故答案为those。

24.proportionproportion解析：此处意为很大比例的学生仍然喜欢简单的工作，所以此处应填“proportion”。

25.useuse解析：后面的一句话“Theexpressionis‘both-feet-on-the-ground.”表示down-to-earth的另一种表达方法是both-feet-on-the-ground。而后一种说法是美国人的用法，常常被美国人使用。故答案为use。

26.A解析：由短文第二段中的“Ceramics，florinstance，havelongbeenlimitedbytheirbrittleness．”。

27.A解析：由A中的第一段最后一句话“Itassessestheimpactofpotentialfeatureglobalclimatechangeonagricultureandtheneedtosustainagriculturalgrowth．．．”可知。

28.C解析：本文均是在讲述青少年的自杀问题。

29.A解析：“Comparisonofthesignificanceoftwoeconomicbooks”含有对两本经济书的对比信息的，我