2022-2023年海南省三亞市公共英語五級(jí)(筆試)測(cè)試卷(含答案)

2022-2023年海南省三亞市公共英語五級(jí)(筆試)測(cè)試卷(含答案)學(xué)校:________班級(jí):________姓名:________考號(hào):________

一、1.ListeningComprehension(15題)1.聽力原文：Yesterdaywediscussedtheproblemofrisingprices,or,intheeconomist'sterms,inflation.Wenotedthat,duringperiodsofinflation,allpricesandincomesdonotriseatthesamerate.Someincomesrisemoreslowlythanthecostofliving,andafewdonotriseatall.Otherincomesrisemorerapidlythanthecostofliving.

Weconcludedthatpersonswithfixedincomes,forexample,theelderlywhodependuponpensions,andpersonswithslow-risingincomesas,forexample,anemployeewithasalaryagreedtoinalong-termcontract,willbemostseriouslyaffectedbyinflation.Pleaserememberthatwhiletheirdollarincomes,staythesame,thecostofgoodsandservicesrises,andineffect,realincomedecreases,thatis,theyareabletopurchaselesswiththesameamountofmoney.

Wealsotalkedaboutthefactthatstockholdersandpersonswithbusinessinterestsandinvestmentswouldprobablybenefitmostfrominflation,sincehighpriceswouldincreasesalesreceipts,andprofitswouldlikelyrisefasterthanthecostofliving.

Andnow,beforewebegintoday'slecture,arethereanyquestionsabouttheterm,inflationoranyoftheexamplesgiveninourdiscussionsofar?

What'sthemainpurposeofthetalk?

A.Tointroducetheconceptofinflation.

B.Todiscussthecausesofinflation.

C.Toreviewyesterday'slectureoninflation.

D.Toargueinfavorofinflation.

2.WhichofthefollowingCanbecalledasa“l(fā)ameduck”?

A.Adisabledlittlechild．

B.Ahard-workingfarmer．

C.Apoliticianwhohastocometotheendofhispower．

D.Anabsent-mindedoldprofessor．

3.聽力原文：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'strousersspeaksvolumesabouthisawarenessofhisownimage．Or，ifhistrousersaretooshortorhangingloosely，thisprobablymeanshe'sabsorbedbyotherthings．

Accordingtothewoman,whatgovernstheclotheswewear?

A.Adesiretoexpressoneselfandshowone'swealth.

B.Individualtasteandloveforbeauty.

C.Loveforbeautyandadesiretoimpressotherpeople.

D.Individualtasteandadesiretoexpressoneself.

4.Inwhataspectsdoesthespeakerthinkalloftheseculturalchangesarestrengthened?

5.Canyougiveanexampleof"fillerwords"?

6.Whatservicemustbepaidfor?

A.Computerclasses.

B.Trainingsessions.

C.Laserprinting.

D.Packageborrowing.

7.PartC

Directions:Youwillhearatalk.Asyoulisten,answerthequestionsorcompletethenotesinyourtestbookletforQuestions21-30bywritingNOTMORETHANTHREEwordsinthespaceprovidedontheright.YouwillhearthetalkTWICE.

Younowhave1minutetoreadQuestions21-30.

聽力原文：Asyouknow,manybigchangeshappenedafterChristopherColumbusandotherEuropeanscametotheAmericas500yearsago.TodayI'mgoingtotalkaboutachangeintheworlddietthewaypeoplecookedandate.Fivehundredyearsago,therewasabigchangeinthedietofpeopleallovertheworld.

Let'stalkaboutthedietinEurope500yearsago.Oneimportantfoodwasmeat.Europeansatemanykindsofmeat,includingbeef,lamb,goat,andpork.Ekandcheesemadefromthemilkofcowsandgoats.TheEuropeansateseveraldifferentgrains：Mostpeopleatewheat,andsomepeopleaterice,whichcamefirstfromAsia.

Now,let'slookatthedietintheAmericasabout500yearsago.ThedietofthenativeAmericanwasquitedifferentfromthedietoftheEuropeans.ThisisbecausetheEuropeanmeats,dairyproducts,andgrainsdidn'texistintheAmericas.However,thenativeAmericansatesomefoodthatdidn'texistinEurope.ThenativeAmericansatedifferentvegetables,suchaspotatoesandtomatoes.Theyatedifferentgrains,suchascorn.Theyatedifferentmeat,suchasturkeyandotherwildbirds.Theyalsousedspicessuchaschocolateandhotchilipeppers.NoneofthesefoodsexistedinEurope500yearsago.

Nowlet'stalkaboutthebigchangeintheworlddiet500yearsago,afterColumbusandtheEuropeanswenttotheAmericas.

AfterEuropeanswenttotheAmericas,thedietofthenativeAmericanschangedalot.WhentheEuropeanswenttotheAmericas,theytookmanynewkindsoffoodwiththem.TheEuropeansgavesomeofthefood,themeat,dairyproducts,andgrainstothenativeAmericansandthenthenativeAmericansstartedtousetheEuropeanfoodintheircooking.Asaresult,thedietintheAmerica'stodayisverydifferentfromtheirdiet500yearsago.Forexample,ifyougotoacountrylikeMexico,youcanseethatthetraditionalMexicanfoodusesalotofbeef,pork,cheese,wheat,andrice,allfoodsthatcamefromEuropewithColumbus.

AftertheEuropeansreturnedtoEuropefromtheAmericas,therewasalsoabigchangeinthedietofpeopleinEuropeandtherestoftheworld.WhentheEuropeansreturnedtoEurope,theytookmanynewkindsoffoodbackfromtheAmericas.Theytookbackthevegetables,grains,andspicesthattheyfoundintheAmericas.Littlebylittle,peoplealloverEuropestartedusingthenewfoodsintheircooking,andthenthefoodsspreadaroundtheworldtoAfrica,theMiddleEastandAsia.

Someofthenewfoodspreadveryquicklyaroundtheworld.Oneexampleisthechilipepper.Youmaybesurprisedtoknowthat500yearsago,thechilipepperdidn'texistinmanycountriesthat.arefamoustodayfortheirhotandspicyfoodmadewithchilies.Actually．weminkthatthefirstchilipepperwastakentoSpainbyColumbusin1493,whenhereturnedfromtheAmericas.Afteronly100years,chilipeppershadspreadallaroundtheworld.Theygroweasilyinwarmweather.TheonlyplacethatthechilipepperdidnotbecomepopularwasNorthernEurope,probablybecauseitistoocoldtogrowchilipepperseasily.

Althoughchilipeppersspreadquickly,otherfoodsfromtheAmericasspreadveryslowly.Potatoesareagoodexample.Ittookabout250yearsforthepotatoestospreadaroundtheworld.ThereasonittooksolongisthatEuropeansthoughtthatpotatoeswerepoisonous.ThepotatolookedalotlikeaverypoisonousplantthatgrewinEurope.Peoplewereafraidtoeatpotatoes!Foralongtime,peopleonlyusedpotatoestofeedtheirpigs.Butslowly,peoplestartedusingpotatoesasfoodforthemselves.Today,ofcourse

8.WhendidDicksongotoBostonforeyetreatment?

A.In1848.

B.Intheearly1850s.

C.Inthelate1850s.

D.Intheearly1860s.

9.PartA

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

聽力原文：Fromgoodreadingwecanobtainpleasure，companionship，experience，andinstruction．Agoodbookmayabsorbourattentionsocompletelythatforthetimebeingweforgetoursurroundingsandevenouridentity．Readinggoodbooksisoneofthegreatestpleasuresinlife．Itincreasesourcontentmentwhenwearecheerful．a(chǎn)ndlessensourtroubleswhenwearesad．Whatevermaybeourmainpurposeinreading，ourcontactwithgoodbooksshouldneverfailtogiveusenjoymentandsatisfaction．

Withagoodbookinourhandsweneedneverbelonely．Whetherthecharactersportrayedaretakenfrom．reallifeoraretotallyimaginarytheymaybecomeourcompanionsandfriends．Inthepagesofbookswecanwalkwiththewiseandthegoodofalllandsandalltimes．Thepeoplewemeetinbooksmaydelightuseitherbecausetheyresemblehumanfriendswhomweholddearorbecausetheypresentunfamiliartypeswhomwearegladtowelcomeasnewacquaintances．OurhumanMendsSometimesmayboreus，butthefriendswemakeinbooksneedneverwearyuswiththeircompany．Byturningthepageswecandismissthemwithoutanyfearofhurtingtheirfeelings．Whenhumanfriendsdesertus．goodbooksarealwaysreadytogiveusfriendship，sympathy，andencouragement．

Oneofthemostvaluablegiftsbestowedbybooksisexperience．Fewofuscantravelfarfromhomeorhaveawiderangeofexperiences．butallofuscanleadvariedlivesthroughthepagesofbooks．Whetherwewishtoescapefromtheseeminglydullrealitiesofeverydaylifeorwhetherweexpecttovisitsomefar-offplace，abookwillhelpuswhennothingelsecan．Totravelbybookweneednobankaccounttopayourway；noairshiporoceanlinerorstream-linedtraintotransportus：nopassporttoenterthelandofourheart'sdesire．Throughbookswemaygetthethrillofhazardousadventurewithoutdanger．Wecanclimbloftymountains，bravetheperilsofanantarcticwinter，orcrossthescorchingsandsofthedesert，allwithouthardship．InbookswemayvisitthestudiosofHollywood；wemayminglewiththegaythrongsoftheParisboulevards；wemayjointhepicturesquepeasantsinanAlpinevillageorthekindlynativesonaSouthSeaisland．Indeed，throughbooksthewholeworldisoursfortheasking．Thepossibilitiesofourliteraryexperiencesarealmostunlimited．Thebeautiesofnature，theenjoymentofmusic，thetreasuresofart，thetriumphsofarchitecture，themarvelsofengineeringareallopentothewonderandenjoymentofthosewhoread．

Agoodbookmaydrawourattentionsocompletelythatweforgetoursurroundingsandevenouridentityforthetimebeing.

A.RightB.Wrong

10.ThosewhovisitLondonwillcertainlygoto______．

A.theTowerofLondon

B.Harrods

C.BuckinghamPalace

D.TheGreenwichvillage

11.Wherewastheinterviewconducted?

12.MDrefersto"adoctorofmedicine".

A.TrueB.Fasle

13.Whatdoeshelikeabouthisjob?

A.Money.

B.Freedom.

C.Knowingdifferentpeople.

D.Travelingalot.

14.Mr.Millerwillbuyanewhousewiththemoneyhehaswon.

A.TrueB.Fasle

15.Whatlessoncouldbedrawnfromtheaccident?

A.Accuratecommunicationisofutmostimportance.

B.Pilotsshouldbeabletospeakseveralforeignlanguages.

C.Aircontrollersshouldkeepaclosewatchontheweather.

D.Cooperationbetweenpilotsandaircontrollersisessential.

二、2.UseofEnglish(10題)16.

【C15】

17.(45)

18.

【C20】

19.

【C8】

20.(40)

21.(43)

22.

【C12】

23.(42)

24.

【C6】

25.(36)

三、3.ReadingComprehension(15題)26.

AccordingtoJackMaple,tocutcrime______.

A.theheadsofpolicedepartmentshouldmakemorecontactwiththecriminals

B.thegovernmentshouldeducatetheresidentsmore

C.acomputersystemcalledComstatshouldbeadoptedbythepolice

D.thecriminalsshouldbeseverelypunished

27.

Whyistransitiondifficult?

A.Becausetransitionrequiresmoneyandtime.

B.Becausemanymanufacturersareunwillingtochangetheirequipment.

C.Becauseresearchonnewmaterialsisverydifficult.

D.Becauseittakeslongtime.

28.PartB

Directions:Inthefollowingarticlesomeparagraphshavebeenremoved.ForQuestions66-70,choosethemostsuitableparagraphfromthelistA-Ftofitintoeachofthenumberedgaps.Thereisoneparagraphwhichdoesnotfitinanyofthegaps.MarkyouranswersonANSWERSHEET1.

Withunfamiliarhumanbeings,whenweacknowledgetheirhumanness,wemustavoidstaringatthem,andyetwemustalsoavoidignoringthem.Tomakethemintopeopleratherthanobjects,weuseadeliberateandpoliteinattention.Welookatthemlongenoughto,makeitquiteclearthatweseethem,andthenweimmediatelylookaway.

66.______

Theimportantthinginsuchanexchangeisthatwedonotcatchtheeyeofonewhomwearerecognizingasaperson.Welookathimwithoutlockingglances,andthenweimmediatelylookaway.Recognitionisnotpermitted.

67.______

Ifyoupasssomeoneinthestreet,youmayeyetheoncomingpersonuntilyouareabouteightfeetapart,thenyoumustlookawayasyoupass.Beforetheeight-footdistanceisreached,eachwillsignalinwhichdirectionhewillpass.Thisisdonewithabrieflookinthatdirection.Eachwillveerslightlyandthepassingisdonesmoothly.

68.______

Tostrengthenthissignal,youlookdirectlyattheother'sfacebeforelookingaway.69.______

Itbecomesimpossibletodiscoverjustwhattheyaredoing.Aretheylookingatyoutoolong,toointently?Aretheylookingatyouatall?Thepersonwearingtheglassesfeelsprotectedandassumesthathecanstarewithoutbeingnoticedinhisstaring.However,thisisaself-deception.Totheotherperson,darkglassesseemtoindicatethatthewearerisalwaysstaringathim.

Weoftenusethislook-awaytechniquewhenwemeetfamouspeople.Wewanttoassurethemwearerespectingtheirprivacyandthatwewouldnotdreamofstaringatthem.Thesameistrueofthecrippledorphysicallyhandicapped.Welookbriefandthenlookawaybeforethestarecanbesaidtobeastare.

70.______

Ofcourse,theoppositeisalsotrue.Ifwewishtoputapersondown,wemaydosobystaringlongerthanisacceptablypolite.Insteadofdroppingourgazeswhenwelockglances,wecontinuetostare.Thepersonwhodisapprovesofinterracialmarriagesordatingwillstarerudelyattheinterracialcouple.Ifhedislikeslonghair,shortdresses,orbeards,hemayshowitwithalonger-than-acceptablestare.

A.Therearedifferentformulasfortheexchangeofglancesdependingonwherethemeetingtakesplace.

B.Inthesubwayorbuswherelongridesinveryclosecircumstancesareanecessity,wemaybehardputtofindsomewayofnotstaring.Wesneakglances,butlookawaybeforeoureyescanlock.Ifwelookwithanunfocusedglancethatmissestheeyesandsettlesonthehead,themouth,thebodyforanyplacebuttheeyesisanacceptablelookingspotfortheunfocusedglance.

C.Actuallyinthiswaywearesaying,inbodylanguage,"Iknowyouarethere,"andamomentlaterweadd,"ButIwouldnotdreamofintrudingonyourprivacy."

D.Itisthetechniqueweuseforanyunusualsituationwheretoolongastarewouldbeembarrassing.Whenweseeaninterracialcouple,wealsousethistechnique.Wemightuseitwhenweseeamanwithanunusualbeard,withextralonghair,withoutlandishclothes,oragirlwithaminimalminiskirtmayattractthislook-and-away.

E.ForthispassingencounterDr.ErvingGoffmaninbehavior.inpublicplacessaysthatthequicklookandtheloweringoftheeyesisbodylanguagefor,"Itrustyou.Iamnotafraidofyou."

F.Sometimestherulesarehardtofollow,particularlyifoneofthetwopeoplewearsdarkglasses.

(66)

29.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

30.Asthe2lstcenturybegins,anumberofleadersinpolitics,education,andotherprofessionsbelievethattheUnitedStatesmustadoptsomenewvaluestogoalongwiththeoldtraditionalones.WhatnewvaluesshouldAmericansadopt?Thisisaverydifficultquestiontoanswer.Certainly,agreatervalueshouldbeplacedontheconservationofnaturalresources;Americansshouldlearntouselessandwasteless.ButconservationhasneverbeenastrongvaluetoAmericans,whohavebelievedthattheircountryofferedanendless,abundantsupplyofnaturalresources.

Recently,progresshasbeenmade--moreandmoreAmericansarerecyclingtheirpaper,cans,bottles,andothergoods--butoldwastefulhabitsdiehard.Furthermore,theneedtoprotecttheenvironmentmayconflictwiththeneedforjobs,asintheNorthwest,whereconservationistsbattlelumbercompaniesthatwanttocutdownancientredwoodtrees.AbeliefinthevalueofconservationisstillcomparedwithotherAmericanvalues;itcanbecomestrongeronlyasAmericansseetheneedforitmoreclearly.

Inaddition,Americansmayneedtoplaceastrongvalueoncooperationonanationalscaletoachieveimportantnationalobjectives.TheAmericanideaofthenationalgoodhasneverbeenbasedonnationalcooperationbutratheronthefreedomoftheindividual,maintainingthoseconditionsthatprovidethegreatestfreedomandprosperityfortheindividual.ItisfarmoredifficultforAmericanstoacceptsharedsacrificeforthecommongoodandwell-beingoftheentirecountry.Forexample,althoughthemajorityofAmericansbelievethatitisextremelyimportanttobalancethenationalbudgetandreducethedeficit,theydonotwanttoseecutsingovernmentprogramsthatbenefitthempersonally.

TheAmericanvalueofcompetitionalsohindersthedevelopmentofaspiritofnationalcooperation.Competitionsometimesencouragesfeelingsofsuspicionratherthanthemutualtrustthatisnecessaryforsuccessfulnationalcooperation.AlthoughAmericansoftencooperatesuccessfullyonthelocallevel--inneighborhoodgroupsandchurches,forexample—theybecomesuspiciouswhenthenationalgovernmentbecomesinvolved.Forexample,onthenationallevel,theymayseethemselvesaspartofaninterestgroupthatiscompetingwithotherinterestgroupsforgovernmentfunds.Arequestbythenationalgovernmentforsharedsacrificemaybeseenascoerciveanddestructiveratherthanvoluntaryandconstructive.However,thedemandsofthe21stcenturymaycompelAmericanstoplaceagreatervalueonnationalcooperationtosolveproblemsthataffectthemall,directlyandindirectly.

Thebesttitleofthispassagecouldbe______.

A.WhichisBetter,NewValueorOldValue

B.Conservationvs.NeedforJobs

C.TheNeedforNewNationalValues

D.CooperationandCompetition

31.

Byreferringtotheartificialgrammar,theauthorintendstoshow______.

A.itssignificanceinthestudy

B.aninherentpatternbeinglearnt

C.itsresemblancetothelights

D.theimportanceofanight'ssleep

32.(80)

33.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

34.

Whatadvantagewilltherebeifonebuyslifeinsuranceinsteadofmakingotherinvestments?

A.Hewillhavemoneyforaretirementhome.

B.Itwillcosthimnothingifhebuysanlifeinsurance.

C.Profitheearnsfrominsuranceistax-free.

D.Itischeaptobuyalifeinsurance.

35.(70)

36.

Inthethirdparagraph,Dr.Laraghimpliesthat______.

A.peopleshouldnotbeafraidoftakingexcessivesalt

B.doctorsshouldnotadvisepeopletoavoidsalt

C.anadequatetoexcessivesaltintakeisrecommendedforpeopleindisease

D.excessivesaltintakehasclaimedsomevictimsinthegeneralpopulation

37.

Whatcanbeconcludedaccordingtotheauthor'sviewofthe"obesitygenes"?

A.Peoplewithageneticinclinationtogainweightcanslim.

B.Peoplewhoarebornfatwillremainthatwayalllife.