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2021年吉林省辽源市公共英语五级(笔试)真题一卷(含答案)学校:________班级:________姓名:________考号:________
一、1.ListeningComprehension(15题)1.ThejoboftheBoardofDirectorsistoadministratethecompany.
A.TrueB.Fasle
2.Accordingtothespeaker,whywerelogcabinsespeciallypopulartosettlerswhomovedwest?
A.Theycouldeasilybuildtheloghousesthemselves.
B.Theycouldconstructthehousesfromkits.
C.Theylikedthecozyatmosphereoftheloginterior.
D.Theywantedhomesthatcouldbetransported.
3.PartC
Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.
Younowhave1minutetoreadQuestions21-30.
听力原文:W:Dr.Huber,whendidyoufirstbecomeinterestedinphysicsandmusic?
M:Ican'trememberatimewhenIwasn'tinterestedinphysics.WhenIwasachild.Iwasverycuriousabouttheworldaroundme.Forexample.Ialwayswonderedwhylightbehavesthewayitdoes.Ifounditmorefuntoplaywithaprismthantoplaywiththekidsintheneighborhood.Iwasn'tverysocial.butIwasreallyintofiguringouthowthingsworked.IgotmyowntelescopewhenIwaseightyearsold.andIlovedtotakeitoutatnightandgostargazing.Iwouldlookattheplanetsandstarsandwonderwhatwasoutthere.WhenIwasten.myfatherboughtmeabookontheuniverse,andIjustateitup.Infact,Istillhavethatbookrighthereinmyoffice.
Itwasthesamewithmusic.I'vealwayshadanaturalearformusic.perfectpitch.Evenasayoungchild,ifIheardasongontheradio,Icouldgorighttothepianoandplayit.WhenIheardasoundliketheringofatelephone,Icouldidentifyitspitchandplaythenoteonthepiano.However.Ididn'tdevelopaseriousinterestinbecomingapianistuntilIwasincollege.Ialsoseemedtodowellinschoolinthevisualartslikepaintinganddrawing.
W:Whatcommonalitydoyouseebetweenmusicandphysics?
M:Thereisacommonmisconceptionthatartandsciencearecompletelyseparatedfromeachother.Ithinkthedistinctionisartificial.Inreality,artandsciencearenotasmutuallyexclusiveasonemightassume.Solvingacomplicatedmathematicalproblem,forexample,canrequirethesamedegreeofcreativethinkingaspaintingalandscapeorwritingapoem.IfeelanindefinabletinglewhenIplaytheSchumannConcertoordancethepasdedeuxfromRomeoandJuliet.Igetthatthesametinglefromtheoreticalphysics.
Thebeautyofartisreadilyapparenttomostpeople.However,inthecaseoftheoreticalphysics,thebeautyisnotnearlyasaccessibletothegeneralpublic,butitiseverybitasexciting.Natureseemstofollowcertainprinciples,verymuchthesameasartdoes.
It'snotuncommonforphysiciststobecomeaccomplishedmusicians.Musictheoryisaverymathematicaldiscipline.Relationshipsamongvariousnotesinclassicalharmonyarebasedonsimplemathematicalrelationships.
W:Youhavesaidthatphysicsisbeautiful.Whatmakesitbeautifultoyou?
M:Tome,it'sincrediblethewaynatureseemstoworksoperfectly.Ithinkitisbeautiful.Ialwaystellmystudentsonthefirstdayofclass.“IfyoulikereadingSherlockHolmesdetectivestories,you'lllikedoingphysicsproblems.”Physicsisaboutfiguringthingsout—discoveringhowtheywork,justlikeadetective.
Alotofpeoplefearphysicsbecausetheyviewitasabigcomplicatedjumbleoffactsthathavetobememorized.Butthat'snottrue.It'sanunderstandingofhownatureworks,howthevariouspartsinteract.Onecanviewartandliteratureastherelationshipsandinteractionsofideas.Inthesameway,physicsstudiestherelationshipsandinteractionsofconcepts.Inotherwords,tomeartandsciencefundamentallyattempttoachievethesameobjective—understandingoftheworldaroundus!
Thewholeuniverseseemstofollowsomeverybasicprinciplesasitevolvesinwithtime,someoftheseprinciplesincludingtheConservationofEnergyandtheConservationofAngularMomentum.Theconservationlawsofphysicsarelikenon-interestbearingcheckingaccounts.Inthecaseofenergyconservation,youcanmakeenergydepositsandenergywithdrawals,butalltheenergyisaccountedfor.
TherotationofobjectsisgovernedbyalawcalledtheConservationofAngularMomentum,whichappliestoeverythingin
4.听力原文:Farmersusuallyuseplowstopreparetheirfieldsforplantingcrops.Plowscutintotheground,andliftupweeds,andotherunwantedplants.However,plowingisblamedforcausingseveredamagetotopsoilbyremovingtheplantsthatprotectsoilfrombeingblownorwashedaway.ManyfarmersinSouthAsiaarenowtryingaprocesscalledLowTillFarming.LowTillFarminglimitstheuseofplows.Inthismethodoffarming,seedsandfertilizerareputintothesoilthroughsmallcutsmadeinthesurfaceoftheground.LowTillAgricultureleavesmuchorallthesoilandremainsofplantsontheground.Theyserveasanaturalfertilizerandhelpsupporttherootsoffuturecrops.Theytakeinrainandallowittoflowintothesoilinsteadofrunningoff.IthasbeenprovedthatLowTillFarmingincreaseshar-vestsandreduceswateruse,andthismethodreducestheneedforchemicalproductsbecausetherearefewerunwantedplants.ScientistssayLowTillFarmingisbecomingpopularinSouthAsia,whichisfacingaseverewatershortage.TheysaytheareawillbecomedependentonimportedfoodunlesswaterissavedthroughmethodslikeLowTillFarming.Currently,morethan150millionpeopleinSouthAsiadependonlocalriceandwheatcrops.Farmersgrowriceduringwetweather.Duringthedryseasontheygrowwheatinthesamefields.FarmersareusingtheLowTillFarmingmethodtoplantwheatafterharvestingrice.ScientistssayLowTillAgricultureisoneofthebestexamplesintheworldoftechnologiesworkingforbothpeopleandtheenvironment.
Whatismemainproblemcausedbytheusualwayofplowing?
A.Thecrop'sbloomingperiodisdelayed.
B.Therootsofcropsarecutoff.
C.Thetopsoilisseriouslydamaged.
D.Thegrowthofweedsisaccelerated.
5.WanghassomeexperienceaboutCAD.
A.RightB.Wrong
6.Accordingtothelecture,whatisinflation?
A.Risingprices.
B.Fixedincome.
C.Realincome.
D.Costofliving.
7.MDhassixdepartmentalmanagersatthemoment.
A.TrueB.Fasle
8.WhatwasthereunderarockonceatthesoutherntripofAfrica?
9.Afterdeliveringthenewinformation,whyshouldthespeakeralsogivehisaudiencesometime?
10.Goodbookscanprovideuswithawiderangeofexperiences.
A.TrueB.Fasle
11.Accordingtothewoman,whyarewomenmuchbetteratdealingwithmorethanonethingatatime,butmenarenotasgood?
A.Becausewomenhavebetterabilities.
B.Becausemenarenotusedtohousework.
C.Becausemenlackpractice,
D.Becausemenfinditeasytoconcentrateononlyonething.
12.Dr.WilsonissatisfiedwithWang'spastexperience.
A.TrueB.Fasle
13.PartC
Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.
Younowhave1minutetoreadQuestions21-30.
听力原文: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
14.Whatdoweknowaboutthedifferencebetweenmenandwomenintermsofpersonalrelationships?
A.Itiseasierforwomentomakefriendsamongwomen.
B.Womentendtorevealtheirfeelingsmoreeasily.
C.Personalrelationshipsaremorecentraltomostmen'slives.
D.It'seasiertoestablishpersonalrelationshipswithwomenthanwithmen.
15.PartC
Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.
Younowhave1minutetoreadQuestions21-30.
听力原文:Inyouruniversitywork,youwillbeexpectedtogiveoralpresentationsintheform.ofreportsorsimplyintheformsofanswerstoquestions.Thereareseveralthingsyoucandotomakeyouroralpresentationsclearandeasytounderstand.
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.Newinformationshouldbe:presentedmoregradually.Thinkingtimeshouldbeprovidedbothbeforeandaftereachimportantnewitem.Th
二、2.UseofEnglish(10题)16.
【C18】
17.
【C14】
18.(36)
19.
【C15】
20.
【C16】
21.(45)
22.
【C5】
23.(41)
24.
【C8】
25.
【C7】
三、3.ReadingComprehension(15题)26.
Privatecompanieshavelittleinterestinproducingfluvaccinesbecauseof______.
A.complicatedprocess,highcost,lowprofitandhighrisk
B.shortagesoffertilizedchickeneggs
C.difficultyingrowinglivevirus
D.fastchangingoffluvirus
27.
Theenclosuresofthe17thand18thcenturiesmeantthat______.
A.peoplewerenolongerlegallyentitledtoownland
B.peopleweredriventolookelsewhereformeansofsupportingthemselves
C.peoplewerenotadequatelycompensatedforthelossoftheirland
D.peoplewerebadlypaidfortheworktheymanagedtofind
28.PartA
Directions:ReadthefollowingtextsandanswerthequestionswhichaccompanythembychoosingA,B,CorD.MarkyouranswersonANSWERSHEET1.
Whenitcomestotheslowingeconomy,EllenSperoisn'tbitinghernailsjustyet.Butthe47-year-oldmanicuristisn'tcutting,fillingorpolishingasmanynailsasshe'dliketo,either.Mostofherclientsspend$12to$50weekly,butlastmonthtwolongtimecustomerssuddenlystoppedshowingup.Speroblamesthesofteningeconomy.…Imagoodeconomicindicator,”shesays,“Iprovideaservicethatpeoplecandowithoutwhenthey'reconcernedaboutsavingsomedollars.”SoSperoisdownscaling,shoppingatmiddle-browDillard'sdepartmentstorenearhersuburbanClevelandhome,insteadofNeimanMarcus.“Idon'tknowifotherclientsaregoingtoabandonme,too.”shesays.
EvenbeforeAlanGreenspan'sadmissionthatAmerica'sred-hoteconomyiscooling,lotsofworkingfolkshadalreadyseensignsoftheslowdownthemselves.Fromcardealershipstogapoutlets,saleshavebeenlaggingformonthsasshopperstempertheirspending.Forretailers,wholastyeartookin24percentoftheirrevenuebetweenThanksgivingandChristmas,thecautiousapproachiscomingatacrucialtime.Already,expertssay,holidaysalesareoff7percentfromlastyear'space.Butdon'tsoundanyalarmsjustyet.Consumersseemonlyconcerned,notpanicked,andmanysaytheyremainoptimisticabouttheeconomy'slong-termprospects,evenastheydosomemodestbelt-tightening.
Consumerssaythey'renotindespairbecause,despitethedreadfulheadlines,theirownfortunesstillfeelprettygood.InManhattan,“there'sanewgoldrushhappeninginthe$4millionto$10millionrange,predominantlyfedbyWallStreetbonuses,”saysbrokerBarbaraCorcoran.InSanFrancisco,pricesarestillrisingevenasfrenziedoverbiddingquiets.“Insteadof20to30offers,nowmaybeyouonlygettwoorthree,”saysJohnDeadly,aBayAreareal-estatebroker.Andmostfolksstillfeelprettycomfortableabouttheirabilitytofindandkeepajob.
Manyfolksseesilverliningstothisslowdown.Potentialhomebuyerswouldcheerforlowerinterestrates.Employerswouldn'tmindalittlefewerbubblesinthejobmarket.Manyconsumersseemtohavebeeninfluencedbystock-marketswings,whichinvestorsnowviewasanecessaryingredienttoasustainedboom.Dinersmightseeanupside,too.GettingatableatManhattan'shotnewAlainDucasserestaurantneedtobeimpossible.Notanymore.Forthat,Greenspan&Co.maystillbeworthtoasting.
By“EllenSperoisn'tbitinghernailsjustyet”(Line1,Paragraph1),theauthormeans______.
A.Sperocanhardlymaintainherbusiness
B.Speroistoomuchengagedinherwork
C.Sperohasgrownoutofherbadhabit
D.Speroisnotinadesperatesituation
29.At18,AshanthiDeSilvaofsuburbanClevelandisalivingsymbolofoneofthegreatintellectualachievementsofthe20thcentury.Bornwithanextremelyrareandusuallyfataldisorderthatleftherwithoutafunctioningimmunesystem(the"bubble-boydisease",namedafteranearliervictimwhowaskeptaliveforyearsinasterileplastictent),shewastreatedbeginningin1990witharevolutionarynewtherapythatsoughttocorrectthedefectatitsverysource,inthegenesofherwhitebloodcells.Itworked.Althoughherlastgene-therapytreatmentwasin1992,sheiscompletelyhealthywithnormalimmunefunction,accordingtooneofthedoctorswhotreatedher,W.FrenchAndersonoftheUniversityofSouthernCalifornia.Researchershavelongdreamedoftreatingdiseasesfromhemophiliatocancerbyreplacingmutantgeneswithnormalones.Andthedreamingmaycontinuefordecadesmore."Therewillbeagene-basedtreatmentforessentiallyeverydisease,"Andersonsays,"within50years."
It'snotentirelyclearwhymedicinehasbeensoslowtobuildonAnderson'searlysuccess.TheNationalInstitutesofHealthbudgetofficeestimatesitwillspend$432millionongene-therapyresearchin2005,andthereisnoshortageofpromisingleads.Thetherapeuticgenesareusuallydeliveredthroughvirusesthatdon'tcausehumandisease."ThevirusissortoflikeaTrojanhorse,"saysRonaldCrystalofNewYorkPresbyterian/WeillCornellMedicalCollege."Thecargoisthegene."
AttheUniversityofPennsylvania'sAbramsonCancerCenter,immunologistCarlJunerecentlytreatedHIVpatientswithageneintendedtohelptheircellsresisttheinfection.AtCornellUniversity,researchersarepursuinggene-basedtherapiesforParkinson'sdiseaseandararehereditarydisorderthatdestroyschildren'sbraincells.AtStanfordUniversityandtheChildren'sHospitalofPhiladelphia,researchersaretryingtofigureouthowtohelppatientswithhemophiliawhotodaymustinjectthemselveswithexpensiveclottingdrugsforlife.Animalexperimentshaveshowngreatpromise.
Butsomehow,thingsgetlostinthetranslationfromlaboratorytopatient.Inhumantrialsofthehemophiliatreatment,patientsshowaresponseatfirst,butitfadesovertime.Andthefieldhasstillnotrecoveredfromthesetbackitsufferedin1999,whenJesseGelsinger,an18-year-oldwithararemetabolicdisorder,diedafterreceivinganexperimentalgenetherapyattheUniversityofPennsylvania.Someexpertsworrythatthefieldwillbetarnishedfurtherifthenextpeopletobenefitarenotpatientsbutathletesseekinganedge.Thissummer,researchersattheSalkInstituteinSanDiegosaidtheyhadcreateda"marathonmouse"byimplantingagenethatenhancesrunningability;already,officialsattheWorldAnti-DopingAgencyarepreparingtotestathletesforsignsof"genedoping".Buttheprincipleisthesame,whetheryou'retryingtohelpahealthyrunnerrunfasterorallowamuscular-dystro-phypatienttowalk."Everybodyrecognizesthatgenetherapyisaverygoodidea,"saysCrystal."Andeventuallyit'sgoingtowork."
ThecaseofAshanthiDesilvaismentionedinthetextto
A.showthepromiseofgene-therapy
B.giveanexampleofmodemtreatmentforfataldiseases
C.introducetheachievementofAndersonandhisteam
D.explainhowgene-basedtreatmentworks
30.PartB
Directions:Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66-70,choosethemostsuitableparagraphfromthelistA-Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.
AccordingtotheAmericanAcademyofDermatology,anestimated10to50millionpeopleinthiscountryhaveanallergicreactiontopoisonivyeachyear.Poisonivyisoftenverydifficulttospot.Itcloselyresemblesseveralothercommongardenplants,andcanalsoblendinwithotherplantsandweeds.Butifyoucomeintocontactwithit,you'llsoonknowbytheitchy,blisteryrashthatformsonyourskin.Poisonivyisared,itchyrashcausedbytheplantthatbearsitsname.Manypeoplegetitwhentheyarehikingorworkingintheirgardenandaccidentallycomeintodirectcontactwiththeplant'sleaves,roots,orstems.Thepoisonivyrashoftenlookslikeredlines,andsometimesitformsblisters.
66.______
About85percentofpeopleareallergictotheurushiolinpoisonivy,accordingtotheAmericanAcademyofDermatology.Onlyatinyamountofthischemical—1billionthofagram—isenoughtocausearashinmanypeople.Somepeoplemayboastthatthey'vebeenexposedtopoisonivymanytimesandhavenevergottentherash,butthatdoesn'tnecessarilymeanthey'renotallergic.Sometimestheallergydoesn'temergeuntilyou'vebeenex-posedseveraltimes,andsomepeopledeveloparashaftertheirveryfirstexposure.Itmaytakeuptotendaysfortherashtoemergethefirsttime.
67.______
Herearesomeotherwaystoidentifythepoisonivyplant.Itgenerallygrowsinaclusteroflow,weed-likeplantsorawoodyvinewhichcanclimbtreesorfences.Itismostoftenfoundinmoistareas,suchasriverbanks,woods,andpastures.Theedgesoftheleavesaregenerallysmoothorhavetiny"teeth".Theircolorchangesbasedontheseason—reddishinthespring;greeninthesummer;andyellow,orange,orredinthefall.Itsberriesaretypicallywhite.
68.______
Thebody'simmunesystemisnormallyinthebusinessofprotectingusfrombacteria,viruses,andtheirforeigninvadersthatcanmakeussick.Butwhenurushiolfromthepoisonivyplanttouchestheskin,itinstigatesanimmuneresponse,calleddermatitis,towhatwouldotherwisebeaharmlesssubstance.Hayfeverisanotherexampleofthistypeofresponse;inthecaseofhayfever,theimmunesystemoverreactstopollen,oranotherplant-producedsubstance.
69.______
Theallergicreactiontopoisonivyisknownasdelayedhypersensitivity.Unlikeimmediatehypersensitivity,whichcausesanallergicreactionwithinminutesofexposuretoanantigen,delayedhypersensitivityreactionsdon'temergeforseveralhoursorevendaysaftertheexposure.
70.______
Intheplaceswhereyourskinhascomeintocontactwithpoisonivyleavesorurushiol,withinonetotwodaysyou'lldeveloparash,whichwillusuallyitch,redden,bum,swell,andform.blisters.Therashshouldgoawaywithinaweek,butitcanlastlonger.Theseverityofthereactionoftenhastodowithhowmuchurushiolyou'vetouched.Therashmayappearsoonerinsomepartsofthebodythaninothers,butitdoesn'tspread—theurushiolsimplyabsorbsintotheskinatdifferentratesindifferentpartsofthebody.Thickerskinsuchastheskinontheonsolesofyourfeet,ishardertopenetratethanthinnerskinonyourarmsandlegs.
A.Becauseurushiolisfoundinallpartsofthepoisonivyplant—theleaves,stems,androots—it'sbesttoa-voidtheplantentirelytopreventarash.Thetroubleis,poisonivygrowsalmosteverywhereintheUnitedStates(withtheexceptionoftheSouthwest,Alaska,andHawaii),sogeographywon'thelpyou.Thegeneralrotetoidentifypoisonivy,"lea
31.
AccordingtoJackMaple,tocutcrime______.
A.theheadsofpolicedepartmentshouldmakemorecontactwiththecriminals
B.thegovernmentshouldeducatetheresidentsmore
C.acomputersystemcalledComstatshouldbeadoptedbythepolice
D.thecriminalsshouldbeseverelypunished
32.(72)
33.(76)
34.(75)
35.(73)
36.PartA
Directions:ReadthefollowingtextsandanswerthequestionswhichaccompanythembychoosingA,B,CorD.MarkyouranswersonANSWERSHEET1.
Inathree-monthperiodlastyear,twoBrooklyniteshadtobecutoutoftheirapartmentsandcarriedtohospitalonstretchersdesignedfortransportingsmallwhales.TheNationalAssociationtoAdvanceFatAcceptance(NAAFA)arguesmatitwasnotth
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