2022年山西省晋城市大学英语6级大学英语六级知识点汇总（含答案）

2022年山西省晋城市大学英语6级大学英语六级知识点汇总（含答案）学校:________班级:________姓名:________考号:________

一、2.ReadingComprehension(SkimmingandScanning)(20题)1.

Howtoavoide-thrombosisaccordingtothepassage?

A.Bycrossingyourlegswhilesitting.

B.Bykeepingacomfortableposture.

C.Bykeepingsuppliesconvenientforgetting.

D.Bymovingaroundeveryhour.

2.BestTimeKeeper

WaldoWilcoxknewtherewastroublethemomenthesawthemauled(受伤的)deercarcass,notfarfromoneofthemeadowswherehiscattlegrazed.Hisdogs,DinkandShortie,sensedittoo—mountainlion.Hegrabbedhispistolandaropefromhistruck,andsaid,"let'sgethim".Thenheheadedupthemountainside,hishoundsracingfarahead.

Wilcoxmovedinlongstridesuptherockygrade.Still,ittooksometimebeforehetoppedthesummit.Thebigcatwasnot50yardsinfrontofhim,itsfangs(尖牙)bared,corneredbythedogsonamassivesandstonebluff.

Wilcoxgrippedhisgun.Hehopedtotakethemountainlionaliveandsellittoazoo.He'ddonethatbeforeandmadeatidyprofit.Wilcoxtookquickaim,hispistolcracked,andtherewasasuddensilenceastheanimalfelllimptotheground.

Itwasn'tuntilthereddusthadsettledandWilcox'spulsehadslowedthathegazedaround.Whathesawstunnedhim.Highontheblufflayanarcheological(考古学的)treasuretrove(珍藏物)—largepiecesofpottery,stonesheltersthatoncehousedwholefamilies,anddomedstructuresthathadheldwildgrainsharvestedcenturiesbeforeEuropeanssetfootinNorthAmerica.

Wilcoxmadehisdiscoveryonthebluffalmost20yearsago—butitwasnotthefirsttimehehadfoundrelicsonhisland.Since1951,whenhisfatherboughtthehigh-valleyRangeCreekranch,ayearhadseldompassedinwhichWilcoxdidnotcomeuponsomespotofarcheologicalinterest.Occasionallyhestumbledacrossburialplots.

NativeAmericanCulture

Fornearlyhalfacentury,hekeptquietabouttheriches,tellinghardlyanyoneoutsidehisimmediatefamilywhatwashiddenintheisolatedvalley160milessoutheastofSaltLakeCity.Whenhediscoveredanewsite,Wilcoxwouldnoteitslocation—thenjustletthingsbe.

NowthesecretofRangeCreekisfinallyout.Fouryearsago,forcedbytimetogiveupranching,Wilcox,75,soldhisbeef-cattlepropertyinadealthatultimatelyputthelandinstatehands.ThankstoWilcox'ssilence,the4200-acreranchisonehuge,untouchedarcheologicalsite.Today,scientistsfromUtah'sDivisionofStateHistoryandtheUniversityofUtaharebusilycataloguingmagnificent,previouslyunknownruinsontheproperty.

WhatthescientistsarelearningatRangeCreekhasalreadybeguntoshedlightononeofthegreatestmysteriesofNativeAmericanhistory—thefateoftheFremontculture,whichhadthrivedinUtahforalmost1000years,thenvanishedvirtuallyover-nightinthe1300s.

TheveryexistenceoftheFremontdidnotcometolightuntilthelate1920s,whenaHarvardUniversityexpeditiondiscoveredevidenceofanancientpeoplewhosettledalongtheFremontRiverinsouthernUtah.Farmersandhunter-gathererswhoarrivedintheregionataboutA.D.400,theFremontlivedinone-roomhomesdugintotheearthandfinishedoffwithstacked-stonewallsandroofsmadeofreedsandmud.CarbondatingofcorncobsfoundontheWilcoxranchhintedthatRangeCreekwasbuzzingwithactivityfromroughlyA.D.900to1100.

Butrightaroundthebeginningofthe14thcentury,somegreatshiftoccurred.Thedrawings,potteryandstructuresparticulartotheFremontcultureceasedtobemade—anywhere.SomeexpertsguessthatotherpeoplespushedOuttheFremont.OthersspeculatethatsomeclimaticeventforcedtheFremonttomovesouth,wheretheymayhaveintegratedwithothertribes.

ALivingMonument

"Intermsofhistoryandarcheologicalstudy,RangeCreekisessentialtothestate,"explainsformergovernorOleneS.Walker."Itgivesusaviewintoaperiodforwhichwehavenowrittenhistory."SheisspeakingprimarilyabouttheFremontculture,butAWorldThatTimeForgot.Eventoday,thevalleyresemblesaworldthattimeforgot.<br

A.YB.NC.NG

3.

WhichofthefollowingtechniquesconcerninglateralthinkingisNOTmentionedinthepassage?

A.Tryingtofigureoutthemaximumofsolutionstotheproblem.

B.Tryingtohandlethesituationfromamacroscopicperspective.

C.Tryingtoquestionyourpresumptionsabouttheproblem.

D.Tryingtoaddinunselectedfactorstobringyouunexpectedinspiration.

4.

Duringthe19thcentury,naturalgaswasusedonalocalscalebecauseofthedifficultsituationin___________.

5.

Thewindsarethestrongestintheeyeofahurricane.

6.AccordingtoEdOverton,theeffectsofoilonthesurfaceoftheocean______.

A.willbeveryobvious

B.areacompletemystery

C.arenotmeasurable

D.remainmodestatpresent

7.

Accordingtopreparednessexperts,ifacityhasatleast500hospitalbedsforevery100,000residents,itcouldfind______inanemergency.

8.

Theauthorischanginghimselftotakefulladvantageof______.

9.

DavidJablonskiandhiscolleaguesdividedtheEarth'ssurfaceintotwo:______andthe"extratropics".

10.

Theself-esteemtheoristsarguethat______isanecessarybasisfordevelopinghealthy,realisticself-esteem.

A.theteacher'srightguidance

B.necessaryknowledgeandskills

C.praisefromtheparents

D.thesocialmeasures

11.

Usually,terroristsorradicalpoliticalgroupscausethemostfamoushostagesituationswith______.

12.

Peopleconsumemoreandmorecaloriestomakeusfeelthatwearefullatmealsthatarerichin______.

13.

Thepistonofanatural-gasvehiclemovesupanddownbythepowerof______.

A.thesparkplug

B.thefour-strokeengine

C.theairinthecylinder

D.theheatofnatural-gasburning

14.IntelligentTransportSystem

Today,therearemanywaystotravelaroundalargemetropolitanarea,forworkorpleasure.Youcouldwalk,althoughtherangeisadmittedlylow.Youcouldbicycle,butyoustilldoalotofwork,andit'sdangerous.Youcoulddriveacar,whichtakesconcentrationandsobrietyandalicense.Youcouldrideabus,andletsomeoneelsedrive.Youcouldtakeatrain,andletacomputerdriveyou.Oryoucouldfly,andwaitalongtimefortheplanetotakeoffandland.

Allmodesoftransportationhaveadvantages,anddisadvantages.However,inrecentdecades,thesinglesystemthathaswonoverallothersistheprivateautomobile.Thisallowsyoutogofromyourstartingpointtoyourdestinationpoint,withyourcompletecontrol,atareasonablespeedinareasonabletime.Unfortunately,apartfromthepollutantscreatedbythevehicleitself,thefactthatsomanyotherpeopleseemtoenjoyitsperceivedfreedomcausesmajortrafficjams,andtherequirementfortrafficcontroldevices.

Toomanypeopleusingtoolittleroadspaceatthesametimecausestrafficjams.Itismostprofoundonlargegradeseparatedroads,thathavelimitedaccess.Therehavebeenvarioussolutionstriedout,includinghighoccupancyvehiclelanes,rampmetering,orroadwidening.Unfortunately,theysimplydon'tsolvetheproblemoflackofcapacity.

Trafficcontroldevicesimposecertaincontrolsontheflowoftraffic.Mostcommonaretrafficlights.Thesemetertheflowoftrafficbetweentwoormoreroadssothatatnotimeisanyvehicleinconflictwithanyother.However,theyalsoimposethattrafficcomestoacompletestop,requiringvehiclestostopandthenstartagain.Thisnotonlyslowsvehiclesdown,butalsoistheprimecauseofwastedenergyinurbansettings.

Unfortunately,citiesareveryreluctanttospendmoney.Thereforeanyfuturetransportsystemhastobecheapforcities.Thisimpliesthatcurrentinfrastructureiskeptasmuchaspossible,orimproved.Usingroads,theprimeinfrastructureavailabletodaywouldmeantheform.factorforvehicleswouldstaythesame,buteachindividualvehiclecouldbemademoreintelligent.

Sofortomorrow,weneedtodesignatransportsystemthatusesroadsoraveryslightimprovementonroadstoprovideahighcapacitysystemthatprovidesserviceforeveryone.Thiscouldbeachievedbyimplementingthefollowingeightsystems,eachofwhichprovidesmoreofaburdenonthecarmanufacturer,butwouldeventuallyprovideasystem,whichisautomatic,safeandefficient.

Firstly,allcarsshouldhaveintelligencebrakesandcruisecontrol.Thesewouldremovethedriverfromtheresponsibilityofhavingtofollowalongbehindsomebody.Bypressingabutton,thedriverwouldgivecontrolofthedistancebetweenhiscarandthecarinfront.Ifthecarinfrontsloweddown,youwouldnothavetowaitforthebrakelightstolightup,thedrivertoseethem,Wenpressthebrakepedaltherightamount,andcontinuouslymonitorthedistance.Insteadthecarwouldbeprogrammedtocontinuouslymonitorthedistancetothecarinfrontandinstantlyalteritsspeedtomatchandmaintainthedistance.

Byspeedingupthefeedbackcircuit,youcanclosethedistanceofcars,andthereforeincreasethecapacity.Youalsoremovedrivererrorsoreducingthenumberofaccidents.Also,carscouldcommunicatelocallywitheachotherandwareaheadoftimethatfollowingcarsneedtoslowdown.

Next,youneedtoremovethedriverfromtheresponsibilityofsteeringthevehicle.Havingcomplexvisionsystemsonacarseemsoverthetopastheynotonlydramaticallyincreasethecostofthecar,butalsothecomplexityofthecontrolsoftware.Insteadyoucouldbuilddetectorintothefrontofthecarthatdetectthemiddleofalaneoft

A.YB.NC.NG

15.

AccordingtotheindustryexpertsatASPO,theproductionofoilwilldecreasesignificantlyintheworldby2008.

A.YB.NC.NG

16.Theauthorsaysthatforegoingacollegeeducationisoftennotawisechoicebecause______ofthe50highestpayingjobsrequireafour-yearcollegedegreeexceptforairtrafficcontrollersandnuclearpowerreactoroperators.

17.

InherbookRachelCarsonassertsthat"controllingnature"______anddoesnotnecessarilymean_______.

18.

Accordingtotheauthor,itwilltakeabout______toreconstructnewwhite-collarworld.

A.4yearsB.10yearsC.37yearsD.acentury

19.

Nonewerefullyawareoftheunsafeconditionsforloadingammunitionuntiltheexplosionoccurred.

A.YB.NC.NG

20.

Thepurposeoftheauthor'sinvestigationistostudy______.

A.whypeopletryhardtoseizeluck

B.whypeopleworshipgodssinceancienttime

C.whysomepeoplearealwaysluckyandothersaren't

D.whypeoplearefeelingluckywhileworshipinggods

二、3.ListeningComprehension(20题)21.

【B3】

22.SectionB

Directions:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.

听力原文：Facialexpressionscarrymeaningthatisdeterminedbysituationsandrelationships.Forinstance,inAmericanculture,thesmileistypicallyanexpressionofpleasure.Yetitalsohasotherfunctions.Asmilemayshowaffection,conveypoliteness,ordisguisetruefeelings.Itisalsoasourceofconfusionacrosscultures.Forexample,manypeopleinRussiaconsidersmilingatstrangersinpublictobeunusualandevensuspiciousbehavior.YetmanyAmericanssmilefreelyatstrangersinpublicplaces.SomeRussiansbelievethatAmericanssmileinthewrongplace;someAmericansbelievethatRussiansdon'tsmileenough.InSoutheastAsiancultures,asmileisfrequentlyusedtocoveremotionalpainorembarrassment.

Ourfacesrevealemotionsandattitudes,butweshouldnotattemptto"read"peoplefromanothercultureaswewould"read"someonefromourownculture.Thedegreeoffacialexpressivenessoneexhibitsvariesamongindividualsandcultures.Thefactthatmembersofoneculturedonotexpresstheiremotionsasopenlyasdomembersofanotherdoesnotmeanthattheydonotexperienceemotions.Rather,thereareculturalrestraintsontheamountofnon-verbalexpressivenesspermitted.

Ifwejudgepeoplewhosewaysofshowingemotionsaredifferentaccordingtoourownculturalnorms,wemaymakethemistakeof"reading"theotherpersonincorrectly.

(27)

A.Themeaningoffacialexpressionsdependsonsituations.

B.Facialexpressionscancausemisunderstandingacrossculture.

C.Peoplefromoneculturemaylackfacialexpressionsbecausetheyexperiencelessemotion.

D.Facialexpressionsmaydisguisetruefeelings.

23.听力原文：M:TheStudentClubisplanningaChineseSpeechCompetitionduringtheChineseNewYear.Howaboutgettingsomehelpfromtheschoolauthority?

W:Good.Thatwillgettheballrolling.

Q:Whatdoesthewomanmean?

(19)

A.Gettingthehelpwillbedifficult.

B.Thehelpfromtheschoolauthoritywillgetthecompetitiontostart.

C.Shelikesballgames.

D.BothBand

24.(45)

25.(28)

A.Becauseshehasalotofthingstodotohavetheceremony.

B.Becauseshewantstoexpresshergratitudetotherepresentatives.

C.Becauseshewantstogetsomeimmediatehelpfromthesepersons.

D.Becauseshewantstoknowwhatworkeachrepresentativecando.

26.(21)

A.LondonAirportisoneofthebestairportsintheworld.

B.OneofthebusiestairportsintheworldisLondonAirport.

C.LondonAirportisoneofthebiggestairportsintheworld.

D.Intheworld,LondonAirportisoneofthesafestairports.

27.听力原文：M：I'msorry,Madam.Thetrainisbehindschedule.Takeaseat,andI'llinform.youaSsoonasweknowsomethingdefinite．

W:Thankyou.I'lljustsithereandreadamagazineinthemeantime.

Q：Whatdowelearnfromtheconversation?

(14)

A.Thetrainiscrowded.

B.Thetrainislate.

C.Thetrainisempty.

D.Thetraifiisontime.

28.(24)

A.ShehasneverbeentoGettysburg.

B.Shetookapoliticalsciencecourse.

C.Herfamilystillgoesonvacationtogether.

D.She'sinterestedintheUnitedStatesCivilWar.

29.(16)

A.Sheplanstoapplyforapart-timejob.

B.She'stoobusytorunforclasspresident.

C.Shewantsthemantohelpherwithherstudies.

D.Shehasn'tconsideredrunningforclasspresident.

30.【B4】

31.听力原文：Lifestyle.isthewayapersonlives;itincludeswork,leisuretime,hobbies,otherinterests,andpersonalphilosophy.(29)Oneperson'slifestyle.maybedominatedbywork,includingfewsocialactivities.Another'smayinvolvehobbies,recreationalactivities,orpersonalphilosophy.

Thereislittledoubtthatlifestyle.arechangingandthatthesechangeswillhaveaninfluenceonthewaybusinessoperatesintheyearsahead.Severalfactorsarecausinglifestyle.changesinUSsociety.

First,thereismoreleisuretimethaneverbefore.(30)Theworkweekisnowlessthanfortyhours,ascomparedtoseventyhoursacenturyago.Someexpertsbelieveitwillbetwenty-fivehoursorlessbeforetheyear2000.Severalfirmshaveadoptedfour-dayworkweekswithmorehoursperday.Othershavecutthenumberofhoursworkedeachweek.Reducedworkschedulesmeanincreasedleisuretime.

Second,familieshavefewerchildrenthanbeforeandyoungcouplesarepostponingchildbirthinsteadofhavingtheirchildrenearlyinthemarriages.(31)Thistrendhasforcedmanybusinessestomodifytheircompetitivestrategies.GerberProductsCompanyusedtoadvertise"babiesareourbusiness-ouronlybusiness."NowGerberproductsincludeinfantclothing,stuffedanimals,andaccessoriessuchasbottles,baby'scarriages,andbabypowder.

Third,peoplearebettereducatedandmoreprosperousnowthantheywereearlier.Theseadvantagesbringwiththemthefreedomtoquestioncurrentlifestylesandexaminenewones.Inquiriesofthisnaturehavesometimesledtopersonallifestyle.changes．

(30)

A.Thechangesoflifestyleshavenoinfluenceonbusiness.

B.Differentpeoplemayhavecompletelydifferentlifestyles.

C.It'sdoubtfulwhatlifestylesarechanging.

D.Lifestylesofdifferentpeoplearethesame.

32.听力原文：W:It'sapityyoumissedtheconcertyesterdayevening.Itwaswonderful!

M:Ididn'twanttomissthefootballgame.Well,I'mnotaclassicalmusicfananyway.

Q:Whatdowelearnfromtheconversation?

(13)

A.Themanwassorrytomissthe,footballgame.

B.Themanattendedtheconcert,butdidn'tlikeit.

C.Themanwassorrythathedidn'tattendtheconcert.

D.Themanismoreinterestedinfootballthaninclassicalmusic.

33.听力原文：W:Hi,Bill.Youaresolate.Themeetinghasalreadystarted.

M:Oh,IoriginallythoughtIknewthewaywellenough.Idrove20milesoneway,then6anotherbeforeIgothere.

Q:WhatisthedistanceshouldBilldrivetoattendthemeeting?

(19)

A.20miles.B.6miles.C.14miles.D.26miles.

34.

【B11】

35.

【B9】

36.【B11】

37.【B7】

38.听力原文：Somechildrenarenatural-bornbosses.Theyhaveastrongneedtomakedecisions,managetheirenvironment,andleadratherthanfollow.StephenJackson,aYearOnestudent,"operatesunderthetheoryofwhat'smineismineandwhat'syoursismine,"sayshismother."TheotherdayIboughttwonewStarWarslightsabers.Later,IsawStephenwiththetwonewoneswhilehisbrotherwasusingthebeat-upones."

"Examinetheextendedfamily,andyou'llprobablyfindabossygrandparent,aunt,uncleorcousinineverygeneration.It'saninheritabletrait,"saysRussellBarkley,aprofessorattheMedicalUniversityofSouthCarolina.Otherchildrenwhomaynotbeparticularlybossycangraduallygaindominancewhentheysensetheirparentsareweak,hesitant,orindisagreementwitheachother.

Whetheritsinbornnatureordevelopedcharacteratwork,toomuchcontrolinthehandsattheyoungisn'thealthyforchildrenorthefamily,Fearisattherootofalotofbossybehavior,saysfamilypsychologistJohnTaylor."Children",hesaysinhisbook.FromDefiancetoCooperation,"havesecretfeelingsofweakness"and"adesiretofeelsafe."It'stheparents'roletoprovidethatprotection.

Whena"bosschild"doesn'tlearnlimitsathome,thestageissetforahostoftroublesoutsidethefamily.Theoverlywillfulandunbendingchildmayhavetroubleobeyingteachersorcoaches,forexample,ortroublekeepingfriends.Itcanbeprettylonelyasthetopdogifnoonelikesyourbossyways.

"Iseemoreandmoreparentsgivinguptheirpower,"saysBarkley,whobasstudiedbossybehavior.formorethan30years."Theybendtoofarbecausetheydon'twanttobeasstrictastheirownparentswere.Buttheyalsofeellessconfidentabouttheirparentingskills.Theirkids,inturn,feelmoreanxious."

(33)

A.Theymakegooddecisions.

B.Theylackcarefromothers.

C.Theyhavelittlesenseoffear.

D.Theyshowself-centeredness.

39.(15)

A.Sellhistextbooks.

B.Getsomeextrahelp.

C.Gotothebank.

D.Applyforthejob

40.

【B10】

三、4.ReadingComprehension(ReadinginDepth)(20题)41.

Sony'sQRIOcouldcarryoutallthefollowingworkEXCEPT______.

A.walkingeverywherefreely

B.understandingsomewordsutteredbypeople

C.findingitsway

D.continuingwalkingafteritstumbles

42.

Whatcausedthedecliningofassetpricesandrisingofsavingrates?

43.SectionA

Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.

Manyprivateinstitutionsofhighereducationaroundthecountryareindanger.Notallwillbesaved,andperhapsnotalldeservedtobesaved.Therearelow-qualityschoolsjustasthereislow-qualitybusiness.Wehavenoobligationtosavethemsimplybecausetheyexist.

Butmanythrivinginstitutionsthatdeservetocontinuearethreatened.Theyaredoingafinejobeducationally,buttheyarecaughtinafinancialsqueeze,withnowaytoreducerisingcostsorincreasingrevenuessignificantly.Raisingtuitiondoesn'tbringinmorerevenues,foreachtimetuitiongoesup,theenrollmentgoesdown,ortheamountthatmustbegivenawayinstudentaidgoesup.Schoolsarebusinesses,whetherpublicorprivate,notusuallybecauseofmismanagementbutbecauseofthenatureoftheenterprise.Theylosemoneyoneverycustomer,andtheycangobankrupteitherfromtoofewstudentsortoomanystudents.Evenaverygoodcollegeisaverybadbusiness.

Itissuchcolleges,thrivingbutthreatened,Iworryabout.Low,enrollmentisnottheirchiefproblem.Evenwithfullenrollment,theymaygounder.Effortstosavethem,andpreferablytokeepthemprivate,areanationalnecessity.Thereisnobasisforarguingthatprivateschoolsareinherentlybetterthanpublicschools.Examplestothecontraryabound.Anyonecannamestateuniversitiesandcollegesthatrankasthefinestinthenationandtheworld.Itisnowinevitablethatpublicinstitutionswillbedominant,andthereforediversityisanationalnecessity.Diversityinthewaywesupportschoolstendstogiveusahealthydiversityintheformsofeducation.

Inanimperfectsocietysuchasours,uniformityofeducationthroughoutthenationcouldbedangerous.Inanimperfectsocietydiversityisapositivegood.Ardentsupportersofpublichighereducationknowtheimportanceofsustainingprivatehighereducation.

Wehavenoobligationtosavesomeschoolsbecause______.

44.

Whenyouenterthebookshoptofindabook,youwill______.

A.becomecompletelyabsorbedinthebookswithoutrealizingwhereyouare

B.becomecompletelylostwithoutanyknowledgeofyourwhereabouts

C.becomecompletelyunconsciousinthebookshop

D.loseanysenseofdirectionastowhereyouare

45.

Whatisthe"greenhouseworlds"?

46.

【C4】

47.

【C6】

48.SectionA

Directions:Inthissection,thereisashortpassagewith5questionsorincompletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.

Americaisacountrythatnowsitsatopthecherishedmyththatworkprovidesrewards,thatworkingpeoplecansupporttheirfamilies.It'samyththathasbecomesodivorcedfromrealitythatitmightaswellbeginwiththewords"Onceuponatime".Today1.6millionNewYorkerssufferfrom"foodinsecurity",whichisafancywayofsayingtheydon'thaveenoughtoeat.Somearethepeoplewhocomeinatnightandcleantheskyscrapersthatglitteralongtheriver.Somepourcoffeeandtakecareoftheagedparentsofthepeoplewholiveinthosebuildings.TheAmericanDreamforthewell-to-dogrowsfromthebowedbacksoftheworkingpoor,whotoooftenhavetochoosebetweengroceriesandrent.

Inanewbookcalled"TheBetrayalofWork",BethShulmansaysthateveninthebooming1990soneoutofeveryfourAmericanworkersmadelessthan$8.70anhour,anincomeequaltothegovernment'spovertylevelforafamilyoffour.Many,ifnotmost,oftheseworkershadnohealthcare,sickpayorretirementprovisions.

Weeaseourconsciences,Shulmanwrites,bydescribingthesepeopleas"lowskilled",asthoughthey'renotimportantorintelligentenoughtodeservemore.ButIow-skilledworkerstodayarebettereducatedthaneverbefore,andtheyconstitutethelinchpin(SYNC)ofAmericanindustry.Whenpoliticianscrow(得意洋洋地说)thathappydaysarehereagainbecausejobsareontherise,it'sthesejobsthey'rereallytalkingabout.Fiveofthe10occupationsexpectedtogrowbiginthenextdecadeareinthelowest-payingjobgroups.Andbeforewesitbackanddecidethat'sjustthewayit;is,it'sinstructivetoconsidertherestoftheworld.Whilethebottom10percentofAmericanworkersearnjust37percentofouraveragewage,theircounterpartsinotherindustrializedcountriesearnupwardsof60percent.Andthosearecountriesthatprovidehealthcareandchildcare,whicheasestheeconomicpinchconsiderably.

Almost40yearsago,whenLyndonJohnsondeclaredwaronpoverty,afamilywithacarandahouseinthesuburbsfeltprosperous.Todaythatsamefamilymaywellfeelpoor,overwhelmedbycreditcarddebt,asecondmortgageandthecostofthestuffthathasbecomethebackboneofAmericanlife.WhenthemiddleClassfeelspoor,thepoorhavelittlechanceforchange,orevenrecognition.

Bysaying"itmightaswellbeginwiththewords'Onceuponatime'"(Line3,Para.1),theauthorsuggeststhattheAmericanmythis______.

49.

Physicalfatigueisusuallycausedby______。

A.toomanystimulants

B.excesswastesinthebloodstream

C.diseases

D.lackofexercise

50.Manyobjectsindailyusehaveclearlybeeninfluencedbyscience.However,theirform.andfunction,theirdimensionsandappearance,weredeterminedbytechnologists,designers,inventors,andengineersusingnonscientificmodesofthought.Manyfeaturesandqualitiesoftheobjectsthatatechnologistthinksaboutcannotbereducedtounambiguousverbaldescriptions;theyaredealtwithinthemindbyavisual,nonverbalprocess,pyramids,cathedrals,androcketsexistnotbecauseofgeometryorthermos-dynamics(热动力学),becausetheywerefirstthepictureinthemindsofthose.

Thecreativeshapingprocessofatechnologist'smindcanbeseeninnearlyeveryartifactthatexists.Forexample,indesigningadieselengine,atechnologistmightexpressindividualwaysofnonverbalthinkingonthemachinebycontinuallyusinganintuitivesenseofrightnessandfitness.Whatwouldbetheshapeofthecombustionchamber?Whereshouldthevalvesbeplaced?Wouldithavealongorshortpiston?Suchquestionshavearangeofanswersthataresuppliedbyexperience,byphysicalrequirement,bylimitationsofavailablespace,andnotintheleastbyasenseofform.Somedecisions,suchaswallthicknessandpindiameter,maydependonscientificcalculations,butthenonscientificcomponentdesignremainsprimary.

Designcourses,thenshouldbeanessentialelementofengineeringcurricula.Nonverbalthinking,acentralmechanisminengineeringdesign,involvesperceptions,whichisthespecialtechniqueoftheartists,notthescientist.Becauseperceptiveprocessesarenotassumedtoneed"hardthinking",nonverbalthoughtissometimesseenasaprimitivestageinthedevelopmentofcognitiveprocessesandinferiortoverbalmathematicalthought.

Ifcoursesindesign,whichinastronglyanalyticalengineeringcurriculumprovidethebackgroundrequiredforpracticalproblem-solving,arenotprovided,wecanexpecttoencountersillybutcostlyerrorsoccurringinadvancedengineeringsystems.Forexample,earlymodesofhigh-speedrailroadcars