河南省周口市公共英語(yǔ)五級(jí)(筆試)學(xué)校:________班級(jí):________姓名:________考號(hào):________

一、1.ListeningComprehension(15題)1.MrMillerwillbuyanewhousewiththemoneyhehaswon.

A.RightB.Wrong

2.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

3.聽(tīng)力原文：M：DidyouhearabouttheaircrashthatoccurredinSouthAmericarecently?Itwasquiteatragicaccident!

W：No,Ididn'tseeanythinginthenewsaboutit．Whathappened?

M：AforeignairlinerwasattemptingtolandatnightinamountainousareainArgentinaandflewintoahill!

W：Thatsoundsreallyterrible!Didanyonesurvive?

M：No，everyoneaboard，includingthecrew，waskilledinstantly．

W：Whatwerethecircumstances?Weretheybadweather,afire,orenginefailure?

M：Apparently，thereweresomelowcloudsinthearea，butmostlyitwasjustmiscommunicationbetweenthepilotsandtheairtrafficcontrollers．

W：Weren'ttheybothspeakinginEnglish，theofficialinternationalaviationlanguage?

M：Yestheywere，butthetransitionfrompoorqualityradioswasslightlydistortedandtheaccentsoftheSpanishspeakingcontrollerswassostrongthatthepilotsmisunderstoodavitalinstruction．

W：Howcouldamisunderstandinglikethatcausesuchaseriousaccident?

M：Thepilotsweretoldtodescendto22,000feet．Theinstructionactuallymeant22,000feet，buttheythoughttheyhearddescend2,000feet．That'sahugedifference．a(chǎn)nditshouldhavebeenconfirmed．butitwasnot．Unfortunately，theterrainofthemountainsinNorweijaascendto2,000feet．

W：Sothepilotsdiddescendtothewrongaltitudethen，becausetheywerefollowingtheaircontroller'sinstructions．

M：Sadlyenough，yestheydid．Itwasareallybadmistake．Manypeoplediedasaresultofthesimplymisunderstanding．

W：Wow，that'sapowerfullessononhowimportantitcanbetoaccuratelycommunicatewitheachother．

Whatwasthecauseofthetragedy?

A.Badweather.

B.Humanerror.

C.Breakdownoftheengines.

D.Communicationssystemfailure.

4.Howmanypsychologistsarementionedinthetalk?

5.What/Whoshouldstudentscontactiftheywanttogetasummerjob?

A.TheStucentUnion.

B.TheStudentEmploymentOffice.

C.TheWorkers'Union.

D.TheStudentPart-timeJobOffice.

6.聽(tīng)力原文：DuringtheChristmasshoppingrushinLondon，theintriguingstorywasreportedofatrampwho，apparentlythroughnofaultofhisown，foundhimselflockedinawell-knownchainstorelateonChristmasEve．Nodoubtthestorewasfilledwithlast-minuteChristmasshoppersandthestaffweredeadbeatingandlongingtogethome．Presumablyallthepropersecuritychecksweremadebeforethestorewaslockedandtheylefttoenjoythethree-dayholidayuntroubledbycustomersdesperatetogetlast-minuteChristmaspresents．

Howeverthatmaybe，ourtrampfoundhimselfaloneinthestoreanddecidedtomakethebestofit．Therewasfood，drink，beddingandcampingequipment，ofwhichhemadegooduse．Theremustalsohavebeentelevisionsetsandradios．Thoughitwasnotreportedifhetookadvantageofthesefacilities，whentheshopre-opened．hewasdiscoveredinbedwithalargenumberofemptybottlesbesidehim．Heseemstohavebeenamanofgoodhumourandphilosophictemperament—asindeedvagrantsverycommonlyare．EveryoneelsewasenjoyingChristmas，sohesawnogoodreasonwhyheshouldnotdothesame．Hesubmitted，cheerfullyenough，tobeingtakenawaybythepolice．PerhapshehadabetterChristmasthanusual．Hewasputintoprisonforsevendays．Thejudgeawardednocompensationtothechainstoreforthefoodanddrinkourtramphadconsumed．Theyhad，inhisopinion，alreadyreceivedvaluablefreepublicityfromthecoveragethestoryreceivedinthenewspapersandontelevision．PerhapsthejudgehadagoodChristmastoo．

Thetrampwaslockedinthestore______.

A.forhisownmistakes

B.duetoamisunderstanding

C.byaccident

D.throughanerrorofjudgment

7.聽(tīng)力原文：DuringtheChristmasshoppingrushinLondon,theintriguingstorywasreportedofatrampwho,apparentlythroughnofaultofhisown,foundhimselflockedinawell-knownchainstorelateonChristmasEve.Nodoubtthestorewasfilledwithlast-minuteChristmasshoppersandthestaffweredeadbeatingandlongingtogethome.Presumablyallthepropersecuritychecksweremadebeforethestorewaslockedandtheylefttoenjoythethree-dayholidayuntroubledbycustomersdesperatetogetlast-minuteChristmaspresents.

Howeverthatmaybe,ourtrampfoundhimselfaloneinthestoreanddecidedtomakethebestofit.Therewasfood,drink,beddingandcampingequipment,ofwhichhemadegooduse.Theremustalsohavebeentelevisionsetsandradios.Thoughitwasnotreportedifhetookadvantageofthesefacilities,whentheshopre-opened,hewasdiscoveredinbedwithalargenumberofemptybottlesbesidehim.Heseemstohavebeenamanofgoodhumourandphilosophictemperament—asindeedvagrantsverycommonlyare.EveryoneelsewasenjoyingChristmas,sohesawnogoodreasonwhyheshouldnotdothesame.Hesubmitted,cheerfullyenough,tobeingtakenawaybythepolice.PerhapshehadabetterChristmasthanusual.Hewasputintoprisonforsevendays.Thejudgeawardednocompensationtothechainstoreforthefoodanddrinkourtramphadconsumed.Theyhad,inhisopinion,alreadyreceivedvaluablefreepublicityfromthecoveragethestoryreceivedinthenewspapersandontelevision.PerhapsthejudgehadagoodChristmastoo.

Thetrampwaslockedinthestore______

A.forhisownmistakes

B.duetoamisunderstanding

C.byaccident

D.throughanerrorofjudgment

8.Yourwishtovisitsomefar-offplacescanberealizedbyjustreadingbooks.

A.TrueB.Fasle

9.Thedietsofthepeopleinthethreeregionsaretotallydifferent.

A.TrueB.Fasle

10.PartA

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

聽(tīng)力原文：Thereareseveralplacesintheworldthatarefamousforpeoplewholiveforaverylongtime.Thesesplacesareusuallymountainousareas,farawayfrommoderncities.Doctors,scientistsandpublichealthexpertsoftentraveltotheseregionstosolveamysteriouslonghealthylife;theexpertshopetobringtothemodernworldthesecretsoflongevity.

HunzaishighintheHymalayanMountainsofAsia.There,manypeopleoveronehundredyearsofagearestillinphysicalhealth.Menofninetyarenewfathers,andwomenoffiftystillhavebabies.Whatarethereasonsforthisgoodhealth?ScientistsbelievethatthepeopleofHunzahavethesethreebenefits:first,physicalwork,usuallyinthefieldsorwithanimals;second,ahealthenvironmentwithcleanairandwater;andwhat'smore,asimplediethighinvitaminsandnutritionbutlowinfat,cholesterol,sugarandchemicals.

PeopleintheCaucasusMountaininRussiaarealsofamousfortheirlongevity.Inthisarea,thereareamazingexamplesofverylong-livedpeople.Birthrecordsarenotusuallyavailable,butawomancalledTsurbaprobablyliveduntilage160;amancalledShiraliprobablyliveduntil168.Hiswidowwas120yearsold.Ingeneral,peoplenotonlylivealongtime,buttheyalsolivewell.Theyarealmostneversick,andwhentheydie,theyhavenotonlytheirownteethbutalsoafullheadofhairandgoodeyesight.

Vilcabamba,Ecuador,isanotherareafamousforthelongevityofitshabit-ants.Thisregion—likeHunzaandtheCaucasus—isalsoinhighmountains,farawayfromcities.InVilcabamba,too,thereisverylittledisease.Onereasonforthegoodhealthofthepeoplemightbetheclean,beautifulenvironment:thetemperatureisabout70Fahrenheitallyearlong;thewindalwayscomesfromthesamedirection;andtheregionisrichinflowers,fruits,vegetablesandwildlife.

Insomeways,thedietsofthehabitantsinthethreeregionsarequitedifferent.Hunzukutseatmainlyrawvegetables,fruit(especiallyapricots),andchapattis—akindofpancake;theyeatmeatonlyafewtimesayear.TheCaucasiandietconsistsmainlyofmilk,cheese,vegetables,fruitandmeat;mostpeopletheredrinkthelocalredwinedaily.InVilcabamba,peopleeatasmallamountofmeateachweek,butthedietconsistslargelyofgrain,coins,beans,potatoesandfruit.

ExpertsfindonesurprisingfactinthemountainsofEcuador.Mostpeoplethere,eventheveryold,consumealotofcoffee,drinkalargeamountofalcohol,andsmokefortytosixtycigarettesdaily.

However,thedietsaresimilarintwogeneralways:first,thefruitsandvegetablesthattheinhabitantsofthethreeareaseatareallnatural;thatis,theycontainnochemicalsandsecond,thepeopleconsumefewercaloriesthanpeopledointheotherpartsoftheworld.AtypicalNorthAmericantakesinanaverageof3,300calorieseveryday;atypicalinhabitantofthesemountainousareasbetween1,700and2,000calories.

Inhabitantsinthethreeregionshavemoreincommoncalories,naturalfood,theirmountainsandtheirdistancefrommoderncities,becausethesepeopleliveincountrysideandaremostlyfarmers,theirlivesarephysicallyhard.Thus,theydonotneedtogotohealthclubsbecausetheygetalotofexerciseintheirdailywork.Inaddition,although,theirlivesarehard,thepeopledonotseemtohavetheworriesofcitypeople.Theirlivesarequiet.Consequently,someexpertsbelievethatphysicalexerciseandfreedomfromworrymightbethetwomostimportantsecretsoflongevity.

Somemoderncitiesareusuallyfamousforpeoplewholiveave

A.TrueB.Fasle

11.PartC

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

Younowhave1minutetoreadQuestions21-30.

聽(tīng)力原文：Lasttimewestartedlookingatthequestionofmanagementandwonderingwhatthetermactuallymeant．Thenwetookabrieflookattheconceptofscientificmanagement．Youremember，wedecideditwasusefulbutnotenoughonitsown．Sotodaywe'regoingtolookatanotheraspect—behavioralmanagement．Youmaynotreallyhavecomeacrossthisword“behavioral”before．thoughI'msureyouarefamiliarwiththeword“behavior”．Behavioralsimplymeanshavingtodowithbehavior．Andthatisourstartingpointfortoday：Wearegoingtostartbyrealizingthattheactivityofanyorganizationishumanactivity，designedtoachievehumangoals．Sowearereallytalkingabouthumanbehavior．

Anybusinessconcerndoestwothings．First，itprovideseithergoodsorservicesthatthecustomerneeds．Thatis．iteithermakesthingsordoesthingsforotherpeopleinexchangeformoney．Second，itprovidespeoplewithwork—andmostofushavetoworkinordertomakealiving．

Work，muchaswemaysometimeswishwedidn'thavetodoit，ornotquitesomuchofit．hasinfacttwoadvantages．First—andIspokeaboutthislasttime—itcangiveussatisfaction．Wecanbeproudofwhatwearedoing—likeacraftsmanmakingsomethingbeautiful，oradoctorofanursehelpingpeoplewhoareillorinpain．ThisiswhatIcalledjobsatisfaction，andwithoutitIamsureworkcanbecomeanawfulburden．Andonamorebasiclevel，workearnsusmoney，whichwecanusetobuythethingsweneedinordertolive．likefoodandsomewheretolive，aswellasalltheluxurieswecouldprobablydowithoutbutstillliketohave．

Behavioralmanagementisbasedonaresearchofhowpeoplebehaveatwork．Itusesthefindingsofpsychologistsandsociologists，andsoon．Thesemakeastudyofindividualsandgroupstoseewhatthingsinfluencethewaytheybehaveindifferentconditions．Theresultscanthenbeusedtodesignthebestconditionsinwhichpeoplewillperform—orbehave—inthewaythatamanagerwantsthemtoinordertomakeabusinessmoreefficientandtoachieveitsgoals．Theyhavecollectedalotofevidenceandformulatedalotoftheoriestohelpthemanager，andthereisnodoubtthatproperlyunderstoodandapplied，thiscanbeveryuseful．

Butstillwereturntothefactthatpeopleareindividuals．a(chǎn)lldifferentfromeachother，andall—aswesay—withmindsoftheirown．Sonomatterwhatthemanagerknowsaboutthewaypeoplebehaveingroupsandsoon，hehasreallytotreateveryoneonhisstaffasanindividualinhisownright．Ofcourse，hecanbehelpedinthisbyknowinghowtoencouragepeopletodothings，howtostimulatethemtobehaveinacertainway，andsoon．Amanagercanhimselfbemighthowtodothis，buthoweverunscientificthismaysound，itismorelikelythatagoodmanagerisbornratherthantrained．Hehassomenaturalabilitytorecognizewhatpeoplearelikelytodo，whatabilitiestheyhave，andotherthingslikethat．Realizingthis，andthenapplyingwhathehaslearnedabouthumanbehavior，iswhatmakessomeoneagoodmanager．

Sobehavioralmanagementismanagementbasedonanassessmentofanindividualandtheapplicationofwhatisknownabouthowpeopleingeneraltendtobehave．Likescientificmanagement，itisundoubtedlyuseful，butnot，thecompleteanswer．

Whatdidthespeakertalkaboutlasttime?

12.PaulcouldreachalltheswitchesbecausetheyWereoriginallyinstalledattherightheightofhim.

A.RightB.Wrong

13.Whenwillthespeakertalkabouttheeconomicandpoliticalchanges?

14.Inbrief．whatdidthespeakertalkabout?

15.Theystartedworkingin1968basedontheobservationmadebyJung,thefounderof______.

二、2.UseofEnglish(10題)16.

【C5】

17.(35)

18.

【C16】

19.

【C10】

20.Impatiencecharacterizesyoungintellectualworkers.Theywanttomaketheirmark【31】______.Soit'simportanttoget【32】______totheminachallengingmannertheidea【33】______bigachievementsrarelycomeeasilyandquickly.Pointoutthatthelittlesuccessesareessential.Showthatthey【34】______turnbecomethefoundationon【35】______reputationsarebuiltandfromwhichmoreimportanttaskscanbeaccomphished.

Avarietyofjobassignments,includingjoborprojectrotation,alsokeepajob【36】______becomingdull.

Whereasit'snaturalforsomeindividualstowanttomoveaheadimmediatelytomoredifficultassignments,【37】______properguidancetheycancontinuetolearnandtogainversatilitybyworkingonanumberofjobsthatareessentially【38】______thesamecomplexity.Thiswaytheygainbreadth,ifnotdepth.

Probablythegreatestoffensetoguard【39】______whendealingwithyoungerspecialistsistorejectideasoutofhand.Youmustlisten—andlistenobjectively—totheirsuggestions.Avoid【40】______overcritical.Youwanttonurtureaninquiringmindwithafreshapproach.You'llfrustrateitquicklyifyoureverttoooften【41】______"We'vetriedthatbeforeanditwon't【42】______here."

Onesurewaytodisenchant【43】______collegegraduatesisflagrantlymisusingtheirtalents.Expectthemtodosomeroutinework,ofcourse.Butdon'tmaketheir【44】______workjustonelongseriesoferrands.Thisincludessuchbreak-inassignments【45】______performingroutinecalculations,diggingup【46】______material,【47】______operatingreproductionequipment.Onelargemanufacturingcompanyrecentlyinterviewedanumberof【48】______engineerswhohadleftthem.Thecompanyfoundthattheoverwhelmingcomplaintwasthatthecompanynotonlydidnotofferworkthat【49】______challengingbutalsoexpected【50】______toolittlefromtheminthewayofperformance.

(31)

21.

【C11】

22.(38)

23.

【C20】

24.(44)

25.(40)

三、3.ReadingComprehension(15題)26.PartA

Directions:ReadthefollowingtextsandanswerthequestionswhichaccompanythembychoosingA,B,CorD.MarkyouranswersonANSWERSHEET1.

TodayTVaudiencesallovertheworldareaccustomedtothesightofAmericanastronautsintip-topcondition,withfairhair,crew-cuts,goodteeth,anuncomplicatedsenseofhumourandaseverelylimitednon-technicalvocabulary.

Whatmarksoutanastronautfromhisearthboundfellowhumanbeingsissomethingofadifficultproblem.Shouldyouwishtointerviewhim,youmustapplybeforehand,andyoumustbepreparedforalongishwait,evenifyourapplicationmeetswithsuccess.Itis,inanycase,outofthequestiontointerviewanastronautabouthisfamilylifeorpersonalactivities,becausealltheastronautshavecontractswithanAmericanmagazineunderconditionsforbiddinganyunauthorizeddisclosuresabouttheirprivatelives.

Certainobviousqualitiesareneeded.Anyonewhowouldbeaspacemanmustbeinperfecthealth,musthavepowersofconcentration(sinceworkinsideaspacecraftisexceptionallydemanding)andmusthaveconsiderablecourage.Again,space-workcallsfordedication.Courageanddedicationareparticularlyessential.Inthewell-knowncaseoftheChallengersevencrewmemberslosttheirlivesinspacebecauseofthefaultyequipmentintheshuttle.Anothermustbeoutstandingscientificexpertise.Itgoeswithoutsayingthattheyallhavetohaveprofessionalaeronauticalqualificationsandexperience.

Astrikingfeatureoftheastronautsistheirages.Fortheyoungerman,inhistwenties,say,spaceisout.OnlyoneofthefiftymenworkingforNASAin1970wasunder30.TheoldestastronauttodateisAlanShepard,America'sfirstmaninspace,who,atnearlyfifty,wasalsothemanwhocaptainedApollo13.Theaverageageisthelatethirties.ThecrewmembersofApollo11wereallbornwellbeforetheSecondWorldWar.In1986theChallengerastronautshadanaverageageof39.Therangewasfrom35to46.

Inasocietywheremaritalcontinuityisnotalwaysexhibited,theastronauts'recordinthisrespecthitsyouintheeye.OfallthemarriedmeninNASAgroup,onlytwoorthreearedivorcedfromtheirwives.Mindyou,itishardtotellwhethersomethinginthebasiccharacterofanastronautencouragesfidelityorwhethertheselectionprocessdemandsthatacandidateshouldbehappilymarried.

TheNASAastronautsliveinunattractivesmallcommunitiesdottedhereandtherearoundthebaseinTexas.Youwouldexpectthemtofindtheirfriendsfromamongtheirprofessionalassociates,butthisisnotthecase.Rather,theyprefertomakefriendswiththenormalfolkintheirdistricts.Astronauts,likeeverybodyelse,mustgetfedupwithtalkingshopallthetime,andwhereastheyareindeedanelite,theirdailylifeoutsideworkshouldbeasnormalaspossible,ifonlyforthesakeoftheirfamilies.

Asfortheastronauts'politicalleanings,theyseemtobetowardstheright.Thismaybeduetothefactthatalargeproportionoftheastronautshaveamilitarybackground.Ontheotherhand,itcouldbejustcoincidence.

Detailsoftheprivatelifeofanastronautarehardtocomeby,becausetheyare______.

A.hisownbusinessandprivacy

B.secretsasfarasinterviewsareconcerned

C.thepropertyofanAmericanmagazine

D.thefirst-ratenationalconfidentialinformation

27.(68)

28.(77)

29.

Thefederalgovernmentgetsmostoftheirincomefrom______.

A.propertyaxB.incometaxC.salestaxD.estatetax

30.PartB

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

AccordingtotheAmericanAcademyofDermatology,anestimated10to50millionpeopleinthiscountryhaveanallergicreactiontopoisonivyeachyear.Poisonivyisoftenverydifficulttospot.Itcloselyresemblesseveralothercommongardenplants,andcanalsoblendinwithotherplantsandweeds.Butifyoucomeintocontactwithit,you'11soonknowbytheitchy,blisteryrashthatformsonyourskin.Poisonivyisared,itchyrashcausedbytheplantthatbearsitsname.Manypeoplegetitwhentheyarehikingorworkingintheirgardenandaccidentallycomeintodirectcontactwiththeplant'sleaves,roots,orstems.Thepoisonivyrashoftenlookslikeredlines,andsometimesitformsblisters.

66.______

About85percentofpeopleareallergictotheurushiolinpoisonivy,accordingtotheAmericanAcademyofDermatology.Onlyatinyamountofthischemical—1billionthofagram—isenoughtocausearashinmanypeople.Somepeoplemayboastthatthey'vebeenexposedtopoisonivymanytimesandhavenevergottentherash,butthatdoesn'tnecessarilymeanthey'renotallergic.Sometimestheallergydoesn'temergeuntilyou'vebeenexposedseveraltimes,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,whichwillusuallyitchrredden,burn,swell,andform.blisters.Therashshouldgoawaywithinaweek,butitcanlastlonger.Theseverityofthereactionoftenhastodowithhowmuchurushiolyou'vetouched.Therashmayappearsoonerinsomepartsofthebodythaninothers,butitdoesn'tspread—theurushiolsimplyabsorbsintotheskinatdifferentratesindifferentpartsofthebody.Thickerskinsuchastheskinontheonsolesofyourfeet,ishardertopenetratethanthinnerskinonyourarmsandlegs.

A.Becauseurushiolisfoundinallpartsofthepoisonivyplant—theleaves,stems,androots—it'sbesttoa-voidtheplantentirelytopreventarash.Thetroubleis,poisonivygrowsalmosteverywhereintheUnitedStates(withtheexceptionoftheSouthwest,Alas