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2022-2023年湖南省衡阳市公共英语五级(笔试)重点汇总(含答案)学校:________班级:________姓名:________考号:________
一、1.ListeningComprehension(15题)1.InwhichyeardidColumbustakechilipeppertoSpain?
2.Intermsofacademic1evels,inwhichleveldowefindthesmallestnumber?
3.Howmanypsychologistsarementionedinthetalk?
4.Whatdothestudyofscienceandthestudyofartrequire?
5.WhatdoesDr.Huberthinkaccomplishthesameobjective?
6.Whatisthecharacteristicofspecialtygoods?
A.Theyaregoodsthatcanbeboughtataspecialprice.
B.Theyarespecialkindsofproducts.
C.Theyarecharacterizedintheirbrands.
D.Theyneedspecialeffortstoget.
7.Strokesmaysometimesdestroyallofthemirrorimage.
A.TrueB.Fasle
8.Whyarestudentsenthusiasticforpositionsinstudentorganizations?
A.Becausetheyhatetheconstantpressureandstrainoftheirstudy.
B.Becausetheywillthenbeabletostaylongerintheuniversity.
C.Becausesuchpositionshelpthemhuntbetterjobs.
D.Becausesuchpositionsareusuallywellpaid.
9.PartB
Directions:Youwillhear3conversationsortalksandyoumustanswerthequestionsbychoosingA,B,CorD.YouwillheartherecordingONLYONCE.
听力原文:Asyouallknow,logstructuresaregainingpopularity.Theyarenolongerjustthesimplecountryhomeswhichwethinkofasthetraditionallogcabin.Someupscalehomesnowincorporatenaturalroundlogsinsealingbeamsandwalls.Peopleseemtothinkthattheroundedlogsgivetheirhomesacozywarmatmosphere.Andevenpeoplewhowanttobuildatraditionallogcabinontheirowncanbuyakitwithprecutlogsthatfittogetherlikepiecesofjigsawpuzzle.Beforeshowingyousomeslidesofmodernloghouses,I'dliketointroducealittlehistoricalbackgroundonthesubject.
Logcabinswerefirstbuiltinthelate1600salongtheDelawareRiverValley.TheEuropeanimmigrantswhosettledtherebroughtcenturiesofoldtraditionsofworkingwithlogs.Andinthisheavilywoodedarealogswerethematerialinhand.Logcabinswerethemostpopularintheearly1800swiththesettlerswhoweremovingwest.Theyprovidedtheanswertothepioneer'sneedforasafeandsturdyhomethatanordinaryfamilycouldbuildquickly.Theyhaddirtfloorsandslidingboardsforwindows.ButthelogbuildingsthathaveprobablyhadmostinfluenceonmodemarchitectsarethoseofthemountainretreatsofwealthyNewYorkers.Thesecountryhouseswhichwerepopularintheearly1900stypifywhat'sknownastheAdoroundyxstyle.Nowlet'slookatthoseslides.
Whatisthespeakermainlydiscussing?
A.TraditionalEuropeanarchitecture.
B.Techniquesforbuildinglogcabins.
C.Thehistoryoflogstructures.
D.Howtobuildahomeyourself.
10.Chainsdon'tproducetheirowncoursebookmaterial.
A.TrueB.Fasle
11.PartA
Directions:Youwillhearatalk.Asyoulisten,answerQuestions1-10bycirclingTRUEorFALSE.YouwillhearthetalkONLYONCE.Younowhave1minutetoreadQuestions1-10.
听力原文:Goodmorning!
Um…AsManagingDirectorofourcompanyI'vebeenaskedtosayafewwordstoyoutodayaboutthewaythecompanyisorganized.SowhatI'vedoneistomakeasortoftable…youknow…toshowhowitisallarranged.It'sinyourbooks.Canyoufindit?
OK.Now,notallcompaniesareorganizedinthesameway,ofcourse.Theyallhavemoreorlessthesamebitsandpieces.buttheyputthemtogetherindifferentways.Infact,someManagingDirectorsarealwayschangingtheorganization,whichcanbeverydisturbingforeverybodyelseandsometimescausesawfulhold-ups.Sometimesit'snecessary,ofcourse.likewhenyoustartmakingsomethingdifferentorjoinupwithanothercompanyorsomething.Anyway,Ithinktheorganizationofmycompanyisfairlytypical,solet'stakealookathowwehaveorganizedit.
Atthetopofthescheme,aboveme,istheBoardofDirectors.Theirjobistoadministratethecompany,makegeneralpolicies,andsoon.Therearetwokindsofdirectors.actually.Onekindiswhatwecallnon-executivedirectors,whichmeansthattheyarenotfull-timeemployees.Theyarethesortofpeoplewhohavesomestandinginvariouspartsofthebusinessworldandareinapositiontohelpthecompanytosucceed.TheyonlyappearwhentherearemeetingsoftheBoard,andsomeofthemareontheboardsofothercompaniesatthesametime.Butthesecondlotofdirectors-theexecutivedirectors-arefull-timeemployeesofthecompany.Mostofthemaremanagersofourvariousdepartments.andyou'llbemeetingthemlater.
Theabsoluteheadofthecompany,ofcourse.istheChairmanoftheBoard.HeisappointedbytheBoard,andhisjobistotakethechairatmeetingsoftheshareholdersandtheBoardofDirectors,andtorepresentthecompany'sinterestsatoutsidefunctions.Hedoesnottakemuchpartintherunningofthebusiness.Heleavesmetogetonwiththejob.Mindyou,notallchairmenarelikethat.Ourlastonewasarealpain.alwayswantedeverythingdonehisownwayandhekeptoninterfering…butanyway,that'swhatthetopslotintheschemeisfor.
Thenthere'sme,theManagingDirector,orMDforshort-aslongasyoudon'tthinkI'madoctorofmedicine,haha…Um…Now,myjobistocoordinatethepoliciesdecidedbythedirectorsandseethattheyarecarriedout.Idothisthroughthevariousmanagersofdepartments-departmentalmanagers.AtthemomentI'vegotsix.andthereareslotsforthemalongthelineunderneathmeinyourscheme.Idon'tthinktheyareinanyparticularorder,sowe'llstartfromtheleftandwalkacross.Actually.they'reallgoingtocomeandtellyouabouttheirjobs.SoI'lljustsayafewwords.And…
Right.Thefirstoneis…
Thespeechismainlyabouttheorganizationofthecompany.
A.RightB.Wrong
12."Totravelbybook"meanstotakeimaginaryjourneystotheplacesmentionedinthebook.
A.RightB.Wrong
13.ThosewhovisitLondonwillcertainlygoto______.
A.theTowerofLondon
B.Harrods
C.BuckinghamPalace
D.TheGreenwichvillage
14.听力原文:M:Soyoureallybelievethatclothescarryakindofmessageforotherpeopleandthatwhatweputonisinsomewayareflectionofwhatwefeel?
W:Ohyes,verymuchso.Nowpeoplearebeginningtotakeseriouslytheideaofakindofpsychologyofclothing,tobelievethatthereisnotjustindividualtasteinourclothesbutalsoathinkingbehindwhatwewearwhichistryingtoexpresssomethingwemaynotevenbeawareofourselves.
M:Butsurelythishasalwaysbeenthecase.Wealldressupwhenwewanttoimpresssomeone,suchasforajobinterviewwithaprospectiveemployer;wethenmakeaneffortandputonsomethingsmart.
W:True,butthat'saconsciousact.WhatIamtalkingaboutismoreofasubconsciousthing.Takeforexamplethestudentwhoisawayfromhomeatcollegeoruniversity:ifhetendstowraphimselfupmorethantheothers,thisisbecauseheisprobablyfeelinghomesick.Similarly,ageneralfeelingofinsecuritycansometimestaketheform.ofoverdressinginwarmerclothesthannecessary.
M:Canyougiveanyotherexamples?
W:Yes.Ithinkpeoplewhoaresociableandoutgoingtendtodressinanextrovertedway,preferringbrighterormoredazzlingcolorsyellows,brightreds,andsoon.Inthesameway,whatmightbeseenasaparallelwiththeanimalkingdom,aggressiveclothesmightindicateanaggressivepersonalityorattitudetolife.Thinkaboutthethreatdisplaysusedbyanimalswhentheywanttowarnoffopponents.
M:Doyouthinkthecareorlackofitoverthewayweactuallywearourclotheshasanythingtotellus?
W:Yes,indeed.Thelength,forexample,ofaman'strousersspeaksvolumesaboutthisawarenessofhisownimage.Or,ifhistrousersaretooshortorhangingloosely,thisprobablymeanshe'sabsorbedbyotherthings.
Accordingtothewoman,whatgovernstheclotheswewear?
A.Adesiretoexpressoneselfandshowone'swealth.
B.Individualtasteandloveforbeauty.
C.Loveforbeautyandadesiretoimpressotherpeople.
D.Individualtasteandadesiretoexpressoneself.
15.听力原文:M:Haveyousettledin?
W:Yes,Ifeelmyselfquiteathomenow.Ihaven'tgotusedtothefoodyetbutI'menjoyingthelifeoncampus.
M:Good.Nowwe'dbettermakesureyouenjoyyourstudies.Weofferaverywiderangeofoptionsonthefoundationcourse,asyouknow,butyoucanonlytakesixcourses.Doyouknowwhatyouwanttodoyet?
W:Yes,moreorless:butI'mnotsurewhethertodobiologicalsciencesorGerman.
M:Well,that'squiteadifference.Let'ssee…you'veselectedtodo:physicalsciences,basicelectronics,artanddesign,CAD…that'scomputeraideddesignandEnglish.
W:Yes,fivecourses.
M:That'squitearange.Don'tyouwanttodomathsorcomputerprogramming,forexample?
W:Well,I'minterestedinelectronicsincomputersespeciallyinwritingcomputergames.I'dliketoproduceeducationalsoftware,educationalgames,
eventually.I'vetaughtmyselfalotofprogrammingandIwasgoodatmaths.Idon'tthinkIneedeitherofthem.
M:Then.whydidyouchoosetodoananddesign?
W:Well.thatwillbegoodformygraphics.Ineedthattoproducegames…CAD.too.I'veneverdonecomputeraideddesignbefore.
M:No…right…they'vegotsomepowerfulpackagesinthecomputergraphicsandCADoffices…you'llenjoythat.So…thatleavesEnglish.It'smostlyEnglishliterature.IknowyourEnglishisallright.Butasafirstyearstudent.you'llhavetotaketheCambridgeProficiencyTest.
W:Allfight.
Whoistheman?
A.Studentadvisor.
B.Courseteacher.
C.Admissionsofficer.
D.Departmentsecretary.
二、2.UseofEnglish(10题)16.“Down-to-earth”meanssomeoneorsomethingthatishonest.realisticandeasytodealwith.Itisapleasuretofind【C1】______whoisdown-to-earth.Apersonwhoisdown-to-earthiseasytotalk【C2】______andacceptsotherpeopleasequals.Adown-to-earthpersonisjustthe【C3】______ofsomeonewhoactsimportantorproud.
Down-to-earthpersonsmaybe【C4】______membersofsociety,ofcourse.Buttheydonotlettheirimportance“【C5】______totheirheads”.Theydonotconsiderthemselvestobebetterpersonsthan【C6】______oflessimportance.Someonewhoisfilledwithhisownimportanceandpride,【C7】______withoutcause,issaidtohave“hisnoseintheair”.Thereis【C8】______wayapersonwithhisnoseintheairCanbedown-to-earth.
Americans【C9】______anotherexpressionthatmeansalmostthesameas“down-to-earth”.Theexpressionis“both-feet-on-me-ground”.Someone【C10】______both-feet-on-me-groundisapersonwithagoodunderstanding【C11】______reality.Hehaswhatiscalled“commonsense,”hemayhavedreams,【C12】______hedoesnotallowthemtoblockhisknowledgeof【C13】______isreal.
Theoppositekindof【C14】______isonewhohashis“head-in-the-clouds”.Amanwithhishead-in-the-cloudsisadreamer【C15】______mindisnotintherealworld.
【C16】______,suchadreamercanbebroughtbacktoearth.SharpwordsfromteacherCanusually【C17】______aday-dreamingstudentdown-to-earth.
Usually.thepersonwhoisdown-to-earthisvery【C18】______tohavebothfeetontheground.【C19】______wehavebothourfeetontheground,whenwearedown-to-earth,weacthonestlyandopenly【C20】______others.OurlivesarelikethegroundbelowUS,solidandstrong.
【C1】
17.
【C5】
18.
【C4】
19.(48)
20.(41)
21.
【C13】
22."Themoregadgetsthereare,the【31】______thingsseemtoget."saidHonoreErvin,co-authorofTheEtiquetteGirls:ThingsYouNeedtoBeTold-"Justbecauseit'sthere【32】______yourdisposal,doesn'tmeanyouhavetouseit24/7."
Arecent【33】______bymarketresearchcompanySynovateshowedthat70percentof1,000respondents【34】______thepoorestetiquetteincellphoneusersoverotherdevices.Theworsthabit?Loudphoneconversationsinpublicplaces,or"cellyell,"【35】______to72percentoftheAmericanspolled.
"Peopleuse【36】______anywhereandeverywhere,"Ervinsaid."Atthemovies-turn【37】______yourcellphone.Idon'twanttopay$10tobesittingnexttosomeguychitchattingtohisgirlfriend【38】______hiscellphone."Thisrudenesshasdeterioratedpublicspaces,accordingtoLewFriedland,acommunicationprofessor【39】______theUniversityofWisconsin-Madison.He【40】______thelackofmannersakindofunconsciousrudeness,【41】______manypeoplearenot【42】______ofwhatthey'redoingortheothersaroundthem.
"Ithinkit'sreallynoticeableinanyplane,trainorbus【43】______you'resubjectedagainstyourwill【44】______someoneelse'sconversation,"hesaid."Youcanlistentointimatedetailsoftheiruncle'sillness,problemswiththeirloversand【45】______they'rehavingforsinner.""It【46】______whatwasapubliccommonspaceandstartsto【47】______itupintosmallprivatespace."
Ashorttimeago,ifcellphoneusers【48】______politelyaskedtotalkquietly,theywould【49】withchagrin,hesaid."Nowmoreandmorepeopleareessentiallytreatingyoulikeyoudon'tunderstandthatloudcellphoneuseis【50】______inpublic."
(31)
23.(46)
24.
【C17】
25.(33)
三、3.ReadingComprehension(15题)26.
______isacombinationofarchitecturalstylesfromHan,TibetanandNepalese?
27.
Howdothepublicfeelaboutthecurrenteconomicsituation?
A.Optimistic.B.Confused.C.Carefree.D.Panicked.
28.
Privacystandardsmadebyindividualstatesareineffectivebecause______.
A.thestandardsofdifferentstatescontradicteachother
B.onlinecommunicationisnotrestrictedtoanystate
C.thesestandardsignorethefederallawonthematter
D.thesestandardsareonlyapplicabletoregionalwebsites
29.(70)
30.(67)
31.PartB
Directions:Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66-70,choosethemostsuitableparagraphfromthelistA-Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.
Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66~70,choosethemostsuitableparagraphfromthelistA~Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.
Fromhervantagepointshewatchedthemaindoorsswingopenandthefirstarrivalspourin.Thosewhohadbeenattheheadofthelinepausedmomentarilyonentry,lookedaroundcuriously,thenquicklymovedforwardasothersbehindpressedin.Withinmomentsthecentralpublicareaofthebigbranchbankwasfilledwithachattering,noisycrowd.Thebuilding,relativelyquietlessthanaminuteearlier,hadbecomeaBabel.Edwinasawatallheavysetblackmanwavesomedollarbillsandannounceloudly,"Iwanttoputmymoneyinthebank."
66.______
Itseemedasifthereportabouteveryonehavingcometoopenanaccounthadbeenaccurateafterall.
Edwinacouldseethebigmanleaningbackexpansively,stillholdinghisdollarbills.Hisvoicecutacrossthenoiseofotherconversationsandsheheardhimproclaim,"I'minnohurry.There'ssomethingI'dlikeyoutoexplain."
Twootherdeskswerequicklymannedbyotherclerks.Withequalspeed,longwidelinesofpeopleformedinfrontofthem.
Normally,threemembersofstaffwereampletohandlenewaccountbusiness,butobviouslyinadequatenow.EdwinacouldseeTottenhoeonthefarsideofthebankandcalledhimontheintercom.Sheinstructed,"Usemoredesksfornewaccountsandtakeallthestaffyoucansparetomanthem."
67.______
Tottenhoegrumbledinreply,"Yourealizewecan'tpossiblyprocessallthesepeopletoday,andhowevermanywedowilltieusupcompletely."
"I'vegotanidea,"Edwinasaid,"that'swhatsomeonehasinmind.Justhurrytheprocessingallyoucan."
68.______
First,anapplicationform.calledfordetailsofresidence,employment,socialsecurity,andfamilymatters.Aspecimensignaturewasobtained.Thenproofofidentitywasneeded.Afterthat,thenewaccountsclerkwouldtakealldocumentstoanofficerofthebankforapprovalandinitialing.Finally,asavingspassbookwasmadeoutoratemporarycheckbookissued.
Thereforethemostnewaccountsthatanybankemployeecouldopeninanhourwerefive,sothethreeclerkspresentlyworkingmighthandleasumofninetyinonebusinessday,iftheykeptgoingattopspeed,whichwasunlikely.
69.______
Stillthenoisewithinthebankincreased.Ithadbecomeanuproar.
Afurtherproblemwasthatthegrowingmassofarrivalsinthecentralpublicareaofthebankwaspreventingaccesstotellers'countersbyothercustomers.Edwinacouldseeafewofthemoutside,regardingthemillingscenewithconsternation.Whileshewatched,severalgaveupandwalkedaway.
Insidethebanksomeofthenewcomerswereengagingtellersinconversationandthetellers,havingnothingelsetodobecauseofthemelee,chattedback.Twoassistantmanagershadgonetothecentralfloorareaandweretryingtoconductthefloodofpeoplesoastoclearsomespaceatcounters.Theywerehavingsmallsuccess.
70.______
Shedecideditwastimeforherownintervention.
Edwinalefttheplatform.andafailed-offstaffareaand,withdifficulty,madeherwaythroughthemillingcrowdtothemainfrontdoor.
A.Yetsheknewhowevermuchtheyhurrieditwouldstilltaketentofifteenminutestoopenanysinglenewaccount.Italwaysdid.Thepaperwo
32.PartC
Directions:Answerquestions71-80byreferringtothefollowinggames.
Note:AnswereachquestionbychoosingA,BorCandmarkitonANSWERSHEET1.Somechoicesmayberequiredmorethanonce.
A=HydropowerB=NuclearpowerC=SolarpowerD=WindpowerWhichpower(power's)...
wasdevelopedtoprovideelectricityforsatellitesatthebeginning?71.______
canpromotetourismdevelopment?72.______
maygiveoffdangerousradioactivepollutionintotheair?73.______
mayaffectthedownstreamwaterqualityandhaveanimpactonplantlife?74.______
stationscanincreasetofullpowerveryquickly?75.______
producessmallamountsofwaste?76.______
isagoodmethodofsupplyingenergytoremoteareas?77.______
providesaround20%oftheworld'selectricity?78.______
canbeusedtoheatyourwaterathomeinsteadofsomuchgasorelectricity?79.______
isnotrenewable?80.______
A
Hydropower
Introduction
Wehaveusedrunningwaterasanenergysourceforthousandsofyears,mainlytogrindcorn.
ThefirsthouseintheworldtobelitbyhydroelectricitywasCragsideHouse,inNorthumberland,England,in1878.In1882ontheFoxRiver,intheUSA,hydroelectricityproducedenoughpowertolighttwopapermillsandahouse.
Nowadaystherearemanyhydro-electricpowerstations,providingaround20%oftheworld'selectricity.Thenamecomesfrom"hydro",theGreekwordforwater.
Howitworks
Adamisbuilttotrapwater,usuallyinavalleywherethereisanexistinglake.
Waterisallowedtoflowthroughtunnelsinthedam,toturnturbinesandthusdrivegenerators.
Advantages
Oncethedamisbuilt,theenergyisvirtuallyfree.
Nowasteorpollutionproduced.
Muchmorereliablethanwind,solarorwavepower.
Watercanbestoredabovethedamreadytocopewithpeaksindemand.
Hydro-electricpowerstationscanincreasetofullpowerveryquickly,unlikeotherpowerstations.
Disadvantages
Thedamsareveryexpensivetobuild.
Buildingalargedamwillfloodaverylargeareaupstream,causingproblemsforanimalsthatusedtolivethere.
Findingasuitablesitecanbedifficult—theimpactonresidentsandtheenvironmentmaybeunacceptable.
Waterqualityandquantitydownstreamcanbeaffected,whichcanhaveanimpactonplantlife.
Isitrenewable?
Hydro-electricpowerisrenewable.
TheSunprovidesthewaterbyevaporationfromthesea,andwillkeepondoingso.
B
Nuclearpower
Introduction
NuclearpowerisgeneratedusingUranium,whichisametalminedinvariouspartsoftheworld.
Thefirstlarge-scalenuclearpowerstationopenedatCalderHallinCambria,England,in1956.
Somemilitaryshipsandsubmarineshavenuclearpowerplantsforengines.
Howitworks
Nuclearpowerstationsworkinprettymuchthesamewayasfossilfuel-burningstations,exceptthata"chainreaction"insideanuclearreactormakestheheatinstead.
ThereactorusesUraniumrodsasfuel,andtheheatisgeneratedbynuclearfission.Neutronssmashintothenucleus
33.Beforeabigexam,asoundnight'ssleepwilldoyoubetterthanporingovertextbooks.That,atleast,isthefolkwisdom.Andscience,intheform.ofbehavioralpsychology,supportsthatwisdom.Butsuchbehavioralstudiescannotdistinguishbetweentwocompetingtheoriesofwhysleepisgoodforthememory.Onesaysthatsleepiswhenpermanentmemoriesform.Theothersaysthattheyareactuallyformedduringtheday,butthen"edited"atnight,toflushawaywhatissuperfluous.
Totellthedifference,itisnecessarytolookintothebrainofasleepingperson,andthatishard.Butafteradecadeofpainstakingwork,ateamledbyPierreMaquetatLiegeUniversityinBelgiumhasmanagedtodoit.TheparticularstageofsleepinwhichtheBelgiangroupisinterestedisrapideyemovement(REM)sleep,whenbrainandbodyareactive,heartrateandbloodpressureincrease,theeyesmovebackandforthbehindtheeyelidsasifwatchingamovie,andbrainwavetracesresemblethoseofwakefulness.Itisduringthisperiodofsleepthatpeoplearemostlikelytoreliveeventsofthepreviousdayindreams.
Dr.MaquetusedanelectronicdevicecalledPETtostudythebrainsofpeopleastheypracticedataskduringtheday,andastheysleptduringthefollowingnight.Thetaskrequiredthemtopressabuttonasfastaspossible,inresponsetoalightcomingoninoneofsixpositions.Astheylearnthowtodothis,theirresponsetimesgotfaster.Whattheydidnotknowwasthattheappearanceofthelightssometimesfollowedapattern—whatisreferredtoas"artificialgrammar".Yetthereductionsinresponsetimeshowedthattheylearntfasterwhenthepatternwaspresentthanwhentherewasnot.
Whatismore,thosewithmoretolearn(i.e.the"grammar",aswellasthemechanicaltaskofpushingthebutton)havemoreactivebrains.The"editing"theorywouldnotpredictthat,sincethenumberofirrelevantstimuliwouldbethesameineachcase.Andtoeliminateanydoubtsthattheexperimentalsubjectswerelearningasopposedtounlearning,theirresponsetimeswhentheywokeupwereevenquickerthanwhentheywenttosleep.
Theteam,therefore,concludedthatthenerveconnectionsinvolvedinmemoryarereinforcedthroughreactivationduringREMsleep,particularlyifthebraindetectsaninherentstructureinthematerialbeinglearnt.Sonow,ontheeveofthatcrucialtest,mathsstudentscansleepsoundlyintheknowledgethatwhattheywillrememberthenextdayarethebasicrulesofalgebraandnottheincoherenttalkfromtheradionextdoor.
Researchersinbehavioralpsychologyaredividedwithregardto______.
A.howdreamsaremodifiedintheircourses
B.thedifferencebetweensleepandwakefulness
C.whysleepisofgreatbenefittomemory
D.thefunctionsofagoodnight'ssleep
34.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.Becauseurushiolisfoundinallpartsoft
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