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2021-2022年河南省漯河市公共英語(yǔ)五級(jí)(筆試)學(xué)校:________班級(jí):________姓名:________考號(hào):________
一、1.ListeningComprehension(15題)1.Backinhisowncountry,Mr.WangstudiedC-languageandchemistry.
A.TrueB.Fasle
2.HowhigharethemountainsinNorweija?
A.Twothousandfeet.
B.Twelvethousandfeet.
C.Twentythousandfeet.
D.Twenty-twothousandfeet.
3.Dr.MannisnowinCambridge,writingabookonthe______.
4.Thetalkismainlyabouttheimportanceof"feltimages".
A.RightB.Wrong
5.Goodbookscandecreaseourcontentmentwhenwearehappyandlessenourtroubleswhenwearesad.
A.TrueB.Fasle
6.PartC
Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.
Younowhave1minutetoreadQuestions21-30.
聽(tīng)力原文:ForthoseofyouwhoareeitheralreadystudyingintheUnitedStatesorplanningtooneday,itmightbeinterestingtoknowsomethingabouttheforeignstudentpopulationintheUnitedStates.Fortheacademicyear1995/96therewasasumofapproximately344,000foreignstudentsstudyingintheUnitedStates.Thisfigureof344000mayseemlikeaverylargenumberuntilyoucompareitwiththetotalpopulationof241,000,000.Theforeignstudentpopulationhasbeengrowingforanumberofyearsandisstillgrowing,buttherateofincreasehasdroppedsharplyduringthe1990s.Duringthe1980s,thepopulationgrewquiterapidly.Forexample,between1985and1990.theaverageyearlyincreasewas12.5%.However,thepictureinthe1990sisquitedifferent.Therateofincreasehasdeclinedquitenoticeably.Infact,therateofincreasebetween1994/95and1995/96wasonly0.5%,orone-halfofonepercent.Althoughtheoverallrateofincreasehasdroppedtoonly0.5%.thenumberofstudentsfromsomepartsoftheworldisincreasingwhilethenumberofstudentsfromotherareasisdecreasing.Forexample,duringthissameperiod,thatisbetweentheacademicyears1994/95and1995/96,therewasadecreaseinthenumberofstudentsfromtheMiddleEast,whilethenumberofstudentsfromSouthandEastAsiaincreased.Thesechangesinthenumberofstudentscomingfromdifferentpartsoftheworldnodoubtreflectedchangingeconomicandpoliticalsituations.I'msureyouareawareofmanyofthesechanges,andperhapswecandiscussthematournextmeeting.Fortodaylet'sconfineourtalktofirst,adiscussionoftheoriginofthesestudents,or,inotherwords,wheretheycamefrom;second,thekindsofstudiestheypursue;and,finally,theacademiclevelstheyarefoundin.Ifwehavealittletimeleft,wemightquicklytalkaboutinwhichgeographicareasmostofthemgotoschool.
Let'sdiscusstheoriginsoftheforeignstudentpopulationintheUnitedStatesfortheacademicyear1995/96.Let'sdiscussitinorderfromthoseareassendingthemoststudentstothoseareassendingthefeweststudents.IfwelookatthefiguresprovidedbytheannualcensusofforeignstudentsintheUnitedStatesfortheyear1995/96,weseethatmostoftheforeignstudentsstudyingintheUnitedStatesduringthisyearwerefromSouthandEastAsia.ThisisaratherlargegeographicalareawhichincludessuchconutriesasChina,Korea,Pakistan,India,Malaysia,andIndonesia.Thetotalnumberofstudentsfromthisarea,SouthandEastAsiawas156,830.Inotherwords,roughly2outofevery5foreignstudentscomefromSouthandEastAsia.Almost24000ofthistotalwerefromChina.Malaysiawasclosebehindwithjustalittleover23000students.ThenextlargestnumberofstudentscamefromtheMiddleEast.ThenumberofstudentsfromtheMiddleEastcametoaboutone-thirdthenumberfromSouthandEastAsia.ThefourthlargestnumbercamefromSouthAmerica.NextcanleEurope,Africa,NorthAmerica,andOceania.Let'srecapitulatewhatwe'vesaid.ThelargestnumberofstudentsstudyingintheUnitedStatesduringtheacademicyear1995/96werefromSouthandEastAsia,followedbytheMiddleEast,SouthAmerica,Europe,Africa,NorthAmerica,andOceania.
Whatfieldsaretheselargenumbersofforeignstudentsstudyingin?Itprobablywon'tsurpriseyouthatthelargestnumberareinthefieldofengineering.Infact,21.7%ofthetotalnumberarestudyingengineering.Businessandmanagementisclosebehind,however,withatotalof18.9%.Thethirdmostpopularfieldwasmathematicsand
7.PartC
Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.
Younowhave1minutetoreadQuestions21-30.
聽(tīng)力原文:Inyouruniversitywork.youwillbeexpectedtogiveoralpresentationsintheform.ofreportsorsimplyintheformsofanswerstoquestions.Thereareseveralthingsyouoraldotomakeyouroralpresentationsclearandeasytounderstand.
Thefundamentalpointtorealizeisthatspeechandwritingaredifferent.Ifyouwanttobebestunderstood.youcan'tsimplyreadyourwrittenreportaloud.Thebiggestdifferencebetweenspokenandwrittenlanguageisthatreaderscanlookbackovertheprintedwordswhentheydon'tunderstand.Inspokenlanguage,however,listenerscan'tgobackandcheckthewords.Theycanrelyonlyonmemory.Sothefirstprincipletokeepinmindwhenyou'replanningtospeakinpublicisthatyouhavetohelpthelistener'smemory.Thismeansthatanoralreportcan'tdeliverinformationasrapidlyasawrittenreport.Thatis,youcan'thaveasmanypiecesofnewinformationpackedintothesamenumberofwords,becausetheywillcomeattoofastarateforthelistenertounderstand.
Inanoralreport,therateofdeliveryhastobeslower.Oneofthebestwaystohelpyouraudienceissimplytospeakslowly.Manypeoplespeaktoofastwhentheyspeaktoagroup.Thisisamistake,especiallyifyouhaveaforeignaccent,becauseitmakeslisteningmoredifficult.Beyondthesimpletechniqueofspeakingmoreslowlywhenyouspeakbeforeagroup,therearewaysoforganizingyourpresentationthatcanhelpthelistenerbeclearandunderstandyourmainpoints.
Theorganizationofyourtalkshouldallowenoughtimeforthelistenertothinkbothbeforeandaftereachnewidea.Thepurposeofthetimebeforethenewinformationistogivetheaudienceachancetounderstandthebackgroundclearly.Knowledgeofthebackground,orsettingoftheinformation,makesitmucheasiertoanticipatewhatkindofinformationiscomingnext.Ifthenewinformationoccurstooearly,withoutenoughbackground,thelistenersshouldnotbepreparedwithenoughbackgroundtobeabletopredictwhat'scoming.
I'vebeendescribingthetimeforthinkingbeforethenewinformation.It'salsoimportanttoprovidetimeforthinkingafterthenewinformation.Thisthinkingtimeallowslistenerstofittheideaintotheirgeneralknowledgeofthesubject.Thinkingtimegivesthelistenerachancetomakesurethattheideawasunderstoodbeforegoingontothenextnewidea.
Therearethreegeneralwaystogivethelistenertimeforthinkingandtimeafterapointofnewinformation.Onewayissimplytopause.Amomentofsilencegivesthelistenertimetotakeinthenewinformation,butthereareotherways.Asecondmethodistouseaparaphrase.Thatis,yousaythesamething,butindifferentwords.Thisparaphrase,orrepetitionoftheidea,helpsthelistenerstofixthethoughtintheirmemory.Athirdwaytogivethelistenertimetothinkistousewordsthatdon'tmeanmuch.Thesearewordsthatconveynoinformation,butjustfillintime.Forinstance,youmightsaysomethinglike“asI'vebeensaying”or“andsoforth”and“andsoon”.Thatkindofexpressiondoesn'treallysayanything.It'sjustmadeofwhatwecall“fillerwords”.Thewordshavenorealmeaning.buttheydoperform.ausefulfunction.sincetheyallowthelistenertimetothink.
Insummary,then,weknowthatorallanguageshoulddeliverinformationataslowerratethanyoucanuseinwrittenlanguage.Newinformationshouldbepresentedmoregradually.Thinkingtimeshouldbeprovidedbothbeforeandaftereachimportantnewitem.Thetimebeforeistoprovideabackgroundsothatthelistenerscanhaveachancetoanticipat
8.Whichsubjectdoesthestudentsayshewasgoodat?
A.Computerprogramming.
B.Artanddesign.
C.Electronics.
D.Mathematics.
9.Wherewasthemailataplantationpassedontome?
10.PartB
Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.
聽(tīng)力原文:Doyoufindgettingupinthemorningdifficultandpainful?Thismightbecalledlaziness,butDr.Kleimanhasanewexplanation.Hehasprovedthateveryonehasadailyenergycycle.
Duringmehourswhenyoulaborthroughyourworkyoumaysaythatyou're"hot".That'strue.Thetimeofdaywhenyoufeelmostenergeticiswhenyourcycleofbodytemperatureisatitspeak.Forsomepeoplethepeakcomesduringtheforenoon.Forothersitcomesintheafternoonorevening.Noonehasdiscoveredwhythisisso.Thepossibleexplanationisthatoneisathistemperature-and-energypeakintheevening.Muchfamilyquarrelingendswhenhusbandsandwivesrealizewhattheseenergycyclesmean,andwhichcycleeachmemberofthefamilyhas.
Youcan'tchangeyourenergycycle,butyoucanlearntomakeyourlifefititbetter.Habitcanhelp,Dr.Kleimanbelieves.Maybeyou'resleepyintheeveningbutfeelyoumuststayuplateanyway.Counteractyourcycletosomeextentbyhabituallystayinguplaterthanyouwantto.Ifyourenergyislowinthemorningbutyouhaveanimportantjobtodoearlyintheday,risebeforeyourusualhour.Thiswon'tchangeyourcycle,butyou'llgetupandworkbetteratyourlowpoint.
Getofftoaslowstartwhichsavesyourenergy.Getupwithaleisurelyyawnandstretch.Sitontheedgeofthebedaminutebeforeputtingyourfeetonthefloor.Avoidthetroubleforcleanclothesbylayingthemoutthenightbefore.Wheneverpossible,doroutineworkintheafternoonandsavetasksrequiringmoreenergyorconcentrationforyoursharperhours.
Whatshouldonedoifhewantstoworkmoreefficientlyathislowpointinthemorning?
A.Changehisenergycycle.
B.Overcomehislaziness.
C.Getupearlierthanusual.
D.Gotobedearlier.
11.聽(tīng)力原文:M:Cigarette?
W:No,thankyou.I'vegivenup,youknow.
M:Oh.
W:It'stendaysago.Haven'thadone.
M:Well.youdon'tmindifIhadone.
W:Well,allright,then…Ohmygoodness!That'saterriblecough.
M:No,no,it'snot.It'sonly…Ionlygetitfirstthinginthemorning.
W:That'sgoingtomakeyouveryunfit,youknow.
M:No,it'sallright.Itgoesinaminute.
W:Whydon'tyoutryandgiveup?
M:Oh,no.Ioughtto,butIcan't.Itrelaxesme,smoking.
W:Really?
M:Itdoes.
W:Well,haveyoueverthoughtofjustcuttingdown?
M:Oh,no,that'sallveywellbut…Iwouldn'tenjoyit.Idependabitonmysmoking.Imustsay.
W:Youshoulddoitgradually.Imean…well,ifyoutried…h(huán)aveyouthoughtofjustgivinguponeday?
M:Yes,ohwell,yes,thatisquiteagoodidea.
W:Itis.
M:ButIthinkI'dlosecountorsomething.
W:Ohdear!Well,itmightbeallideaifyoustartedeatingsweets.
M:Ohno.Icouldn'tdothat.Icouldn'tpossibly…
W:Why?
M:Well.itmakesyoufat.
W:Well.doyouthinkthatmatters?Don'tyouthinkitisbettertobefatthantobeunhealthy?
M:No,Idon't.I'dratherbefat…Well,I'dratherbethinthanfat,certainly.
W:Ohdear.Well.Hey!I'vegotagoodidea!
M:What'sthat?
W:Whydon'tyougotoahypnotist?Mysisterdid!
M:Oh,look,youdon'tseemtorealizethatIlikesmoking.IfIgaveitup,ifIdidn'tsmokeatall,I'dprobablyendupattackingpeople!
W:Oh,don'tbesosilly!Ofcourseyouwouldn't!
Whendidthewomangiveupsmoking?
A.Tendaysago.
B.Justthismorning.
C.Aweekago.
D.Justyesterday.
12.ThejoboftheBoardofDirectorsistoadministratethecompany.
A.RightB.Wrong
13.ThechairmanoftheBoardisappointedbytheBoard.
A.TrueB.Fasle
14.MDistheabsoluteheadofthecompany.
A.TrueB.Fasle
15.聽(tīng)力原文:M:Doyouthinkwomenaregenerallybetteratcertainthingsthanmen?
W:Well,itseemstomewomenaremuchbetteratdealingwithmorethanonethingatatime.Idon'tknowwhetherthishastodowiththedifferenceintheirbrainorwhetherit'sjusthowtheyhavetocopemoreoftenwithmorethanonething.Forexample,itisusuallywomenwhowork,havebabies,lookafterthebabiesandtakethemainresponsibilityforlookingafterthehome.Andmaybeit'spracticingallthatmakeswomenbebetterabletodomorethanonethingatatime.Men,itseemstome,canonlyconcentrateononethingatatime,includingboringdomesticthingslikewashingthedishes.Ifafriendofminewhoisamanwashesthedisheshe'llfinditquitedifficulttoconductaconversationatthesametime,whereasifI'mdoingthedishesI'malwaystalkingtosomeone,probablycookingsomethingaswell,andfindingthatnottoostressful.
M:Doyouthinkwomenaremoreinterestedinpersonalrelationshipsthanmen?
W:Generally,yes,thoughagainIdon'tknowifthisisbecausethatfromanearlyagetheyaretaughttopleaseotherpeople,whereasmenarealwaystaughttopleasethemselves.Ithinkrelationshipsaremorecentraltomostwomen'slives.Forexample,Ithinkmendon'thaveverygoodconversationswitheachother,whereaswomendo.Ifyoulistentowomentalking,oftentheywillbehaving,afterarelativelyshorttimeofknowingeachother,fairlypersonalandtruthfulconversations,whereasmenhaveconversationsnotaboutwhatI'dcallrealthings.Theywilltalkabouttheirworkinaverysuperficialway,ortheirinterestsinaverysuperficialway,forexample,andfootballisthe—um—justasortofwayformentorelatetoeachotherwithoutactuallysayinganythingimportant,itappearstome.
Accordingtothewoman,whywomenaremuchbetteratdealingwithmorethanonethingatatime?
A.Shedoesn'tknowthereasonexactly.
B.Becausewomenaresmarterthanmen.
C.Becausewomenhavemorethingstodealwiththanmen.
D.Becausemenalwaysrefusetodealwithmorethanonethingatthesametime.
二、2.UseofEnglish(10題)16.(41)
17.(40)
18.(49)
19.
【C20】
20.
【C9】
21.
【C12】
22.
【C4】
23.(36)
24.(50)
25.
【C8】
三、3.ReadingComprehension(15題)26.
______isagoodmethodofsupplyingenergytoremoteareas?
27.Themanbehindthisnotion,JackMaple,isadandywhoaffectsdarkglasses,homburgs(翹邊帽)andtwo-toeshoes;yethehasbecomesomethingofalegendinAmerica'spolicedepartments.Forsomeyears,startinginNewYorkandmovingontohigh-crimespotssuchasNewOrleansandPhiladelphia,heandhisbusinesspartner,JohnLiederhavemarketedatwo-tiersystemforcuttingcrime.
First,policedepartmentshavetosortthemselvesout:rootoutcorruption,streamlinetheirbureaucracy,andmakemorecontactwiththepublic.Second,theyhavetoadoptacomputersystemcalledComstatwhichhelpsthemtoanalyzestatisticsofallmajorcrimes.Theseareconstantlykeyedintothecomputer,whichthendisplayswhereandwhentheyhaveoccurredonacolor-codedmap,enablingthepolicetomonitorcrimetrendsastheyhappenandtospothigh-crimeareas.InNewYork,Comstat'sstatisticalmapsareanalyzedeachweekatameetingofthecity'spolicechiefandprecinctcaptains.
MessrsMapleandLinder("specialistsincrime-reductionservices")havenodoubtthattheirsystemisamaincontributortothedropincrime.WhentheyintroduceditinNewOrleansinJanuary1997,violentcrimedroppedby22%inayear;whentheymerelystartedworkinginformallywiththepolicedepartmentinNewark,NewJersey,violentcrimefellby13%.Policedepartmentsarenowlininguptopayasmuchas$50,000amonthforthesetwomentoputthemstraight.
Probablyallthesenewpoliciesandbitsoftechnicalwizardry,addedtogether,havemadeabigdifferencetocrime.Butthereremainanomaliesthatcannotbeexplained,suchasthefactthatcrimeinWashingtonD.C.,hasfallenasfastasanywhere,althoughthepolicedepartmenthasbeencorruptandhopelessand,inlargestretchesofthecity,neitherpolicenorresidentsseemdisposedtofightthecriminalsintheirmidst.
Themoreimportantreasonforthefallincrimerates,manysay,isamuchlesssophisticatedone.Itisafactthatcrimerateshavedroppedastheimprisonmentratesoared.In1997thenationalincarcerationrate,at645per100000peoplewasmorethandoubletheratein1985,andthenumberofinmatesincityandcountyjailsroseby9.4%,almostdoubleitsannualaverageincreasesince1990.Surelysomecriminologistsargue,onesetoffiguresisthecauseoftheother.Itisprecisebecausemorepeoplearebeingsenttoprison,theyclaimthatcrimeratesarefalling.A1993studybytheNationalAcademyofSciencesactuallyconcludedthatthetriplingoftheprisonpopulationbetween1975and1989hadloweredviolentcrimeby10-15%.
Yetcauseandeffectmaynotbesoobviouslylinked.Tobeginwith,thesaleandpossessionofdrugsarenotcountedbytheFBIinitscrimeindex,whichislimitedtoviolentcrimesandcrimesagainstproperty.Yetdrugoffencesaccountformorethanathirdoftherecentincreaseinthenumberofthosejailed;since1980,theincarcerationratefordrugarrestshasincreasedby1000%.Andalthoughaboutthree-quartersofthosegoingtoprisonfordrugoffenceshavecommittedothercrimesaswell,thereisnotyetacrystal-clearconnectionbetweenfillingthejailswithdrug-pushersandadeclineintherateofviolentcrime.Again,thoughnationalfiguresaresuggestive,localonesdiverge:theplaceswherecrimehasdroppedmostsharply(suchasNewYorkCity)arenotalwaystheplaceswhereincarcerationhasrisenfastest.
JackMaplestartedhiscareerin______.
A.PhiladelphiaB.OregonC.NewOrleansD.NewYork
28.
WhichofthefollowingisCORRECTaboutMickey,thegarbagecollector?
A.Hewrotealettertothecoupleafterwards.
B.Hefailedtocollectthemoneyfromthebank.
C.HewantedthecoupletosendhimaChristmascard.
D.Hecollectedboththecheekandthegarbagethatday.
29.(68)
30.(74)
31.
TheviewsofVasariandHomeonBotticelli'sproductsare______.
A.identicalB.complementaryC.oppositeD.similar
32.
Thelastparagraphsuggeststhat______.
A.manyrecruitinglettersfailedtoprovideMackReiterwithscholarships
B.mackReiterwantedtohelphisfamilygooutofthetrouble
C.traditionalscholarshipsareagoodsolutiontothetuitionproblemsinsomefamilies
D.mackReiterwasveryproudofhisnationalwrestlingchampionship
33.
Asmanifestedintheexperimentalstudy,rapideyemovementischaracterizedby______.
A.intenselyactivebrainwavetraces
B.subjects'quickerresponsetimes
C.complicatedmemorypatterns
D.revivalofeventsinthepreviousday
34.PartA
Directions:ReadthefollowingtextsandanswerthequestionswhichaccompanythembychoosingA,B,CorD.MarkyouranswersonANSWERSHEET1.
Inathree-monthperiodlastyear,twoBrooklyniteshadtobecutoutoftheirapartmentsandcardedtohospitalonstretchersdesignedfortransportingsmallwhales.TheNationalAssociationtoAdvanceFatAcceptance(NAAFA)arguesthatitwasnottheircombined900kgbulkthatmadethemill.Obesity,accordingtoNAAFA,isnotbadforyou.And,evenifitwas,thereisnothingtobedoneaboutit,becausegenesdictateweight.Attemptingtoeatlessmerelyslowsmetabolism,havingpeopleaschubbyasever.
ThisisthefatlashmovementthatcausesAmerica'sslimmingindustrysomuchpain.InhisbookBinFatLies(Ballantine,1996),GlennGaessersaysthatnostudyyethasconvincinglyshownthatweightisanindependentcauseofhealthproblems.Fatnessdoesnotkillpeople;thingslikehypertension,coronaryheartdiseasesandcancerdo.MichaelFumento,authorofTheFatoftheLand(Viking,1997),ananti-fatlashdiatribe,comparesDrGaesser'slogicwithsayingthattheguillotinedidnotkillLouisXVI:Rather,itwastheseveringofhisvertebrae,thecuttingofallthebloodvesselsinhisneck,and...thetraumacausedbyhisheaddroppingseveralfeetintoawickerbasket.
Beingfatkillsinseveralways.Itmakespeoplefarmorelikelytosufferfromheartdiseaseorhighbloodpressure.Evenmoderateobesityincreasesthechanceofcontractingdiabetes.Being40%overweightmakespeople30%~50%morelikelytodieofcancer,accordingtotheAmericanCancerSociety.Extremefatnessmakespatientssomuchlesslikelytosurvivesurgerythatmanydoctorsrefusetooperateuntiltheyslim.
Theideathatbeingoverweightiscausedbyobesitygenesisnotwhollyfalse:researchershavefoundanumberofgenesthatappeartomakesomepeoplebumoffenergyataslowerrate.Butgenesarenotdestiny.Thedifferencebetweensomeonewithageneticpredispositiontogainweightandsomeonewithoutappearstoberoughly40calories-oraspoonfulofmayonnaise—aday.
Analternativefatlashargument,advancedinbookssuchasDeanOnrush'sEatMore,WeightLess(HarperCollies,1993)andDateAtrens'sDon'tDiet(WilliamMorrow,1978),isthatfatnessisnotamatterofeatingtoomuch.TheynotethatasAmericans'weighthasballoonedoverthelastfewdecades,theirreportedcaloricintakehasplunged.Thissimplyexplainspeople'sownrecollectionofhowmuchtheyeatisextremelyunreliable.Andastheygrowfatter,peoplefeelguiltyandaremorelikelytofibabouthowmuchtheyeat.Allreputablestudiesshowthateatinglessandexercisingreduceweight.
Certainly,thebody'smetabolismslowsalittlewhenyouloseweight,becauseittakeslessenergytocarrylessbulkaround,andbecausedietingcanmakethebodyfearitisabouttostarve.Butasensiblelow-fatdietmakesweightlosspossible.Thefatlashmovementisdangerous,becauseslimmerswilloftenfindanyexcusetogiveup.Totellpeoplethatitishealthytobeobeseistoencouragethemtolivesickanddieyoung.
ThetwoBrooklynitesinthefirstparagraphwere______.
A.membersoftheNWA
B.typicalvictimsofoverweight
C.membersofthe"fatlash"movement
D.proofthatthefatlashmovementisgainingstrength
35.PartA
Directions:ReadthefollowingtextsandanswerthequestionswhichaccompanythembychoosingA,B,CorD.MarkyouranswersonANSWERSHEET1.
TheStoneage,theIronage.Entireepochshavebeennamedformaterials.Sowhattonamethedecadesahead?Thechoicewillbetough.Welcometotheageofsuperstuff.Materialscience—oncetheleastsexytechnology—isburstingwithnew,practicaldiscoveriesledbysuperconductingceramicsthatmayrevolutionizeelectronics.Butsuperconductorsarejustpartofthepicture;fromhousesandcarstocookpotsandartificialteeth,theworldwillsometimebemadeofdifferentstuff.Exoticplastics,glassandceramicswillshapethefuturejustassurelyashavegeneticengineeringandcomputerscience.
Thekeytothenewmaterialsisresearchers'increasingabilitytomanipulatesubstancesatthemolecularlevel.Ceramics,forinstance,havelongbeenlimitedbytheirbrittleness.Butbyminimizingthemicroscopicimperfectionsthatcauseit,scientistsaremakingfarstrongerceramicsthatstillretainsuchqualitiesashardnessandheatresistance.FordMotorCo.nowusesceramictoolstocutsteel.AfirmcalledKyocerahascreatedalineofceramicscissorsandknivesthatstaysharpforyearsandneverrustorcorrode.
Asimilartransformationhasovertakenplastics.High-strengthpolymersnowform.bridges,iceskatingrinksandhelicopterrotors.Andonenewplasticthatgenerateselectricitywhenvibratedorpushedisusedinelectricguitars,touchsensorsforrobothandsandkaratejacketsthatautomaticallyrecordeachpunchandchop.Evenplasticlitter,whichoncethreatenedtopermanentlyblotthelandscape,hasprovedamenabletomoleculartinkering.Severalmanufacturersnowmakebiodegradableforms;someplasticsix-packringsforexample,graduallydecomposewhenexposedtosunlight.Researchersaredevelopingwaystomakeplasticsasrecyclableasmetalorglass.What'smore,composites—plasticreinforcedwithfibresofgraphiteorothercompounds—madetheround-the-worldflightofthevoyagerpossibleandhaveevenbeenprovedincombat:ahelmetsavedaninfantryman'slifebydeflectingtwobulletsintheGrenadainvasion.
Someadvancedmaterialsareoldstandardwithanewtwist.Thenewestfiberopticcablesthatcarrytelephonecallscross-countryaremadeofglasssotransparentthatapieceof100milesthickisclearerthanastandardwindowpane.
Butnewmaterialshavenoimpactuntiltheyaremadeintoproducts.Andthattransitioncouldprovedifficult,forswitchingrequireslengthyresearchandinvestment.Itcanbesaidafirmerhandleonhowtomovetocommercializationwilldeterminethesuccessorfailureofacountryinthecomingfuture.
Howmanynewmaterialsarementionedinthispassage?
A.Two.B.Three.C.Four.D.Five.
36.
WhatdidtheUNcallonnationstodoaboutCO2andothergreenhousegasesin1992?
A.TosignanewclimatetreatyatRio.
B.TodraftanagreementamongUNnations.
C.ToforcetheUnitedSatestoreduceitsemissions.
D.TolimitthereleaseofCO2andothergases.
37.
Theelectriccatfishhasadifferentelectricsysteminthat______.
A.currentmovesfromtheheadtothetail
B.currentmovesfromthetailtothehead
C.currentmovesfromthelefttotheright
D.currentmovesfromtherighttotheleft
38.(78)
39.(73)
40.PaulStraussmann,retiredvicepresidentofXerox,,indicatesinhisbookInformationPay-offthat"almosthalfoftheU.S.informationworkersareinexecutive,managerial,administrativeandprofessionalpositions."Hefurtherstatesthat"managersandprofessionalsspendmorethanhalfoftheirtimeincommunicatingwitheachother."
Inotherwords,peopleareacorporation'smostexpensiveresource.Foratypicaloffice,over90percentoftheoperatingbudgetisforsalaries,benefitsandoverhead.Withthisinvestment,isitanywonderthatmanagersarefocusingmoreandmoreattentiononemployeeproductivity?Theyrealizethatthepaperjunglecannotbetamedsimplybyhiringmorepeople.Toreceiveareturnontheirinvestment,wisecorporateexecutiveofficersarerealizingwhatindustrialistsa
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