2021-2022年福建省龙岩市公共英语五级(笔试)真题(含答案)_第1页
2021-2022年福建省龙岩市公共英语五级(笔试)真题(含答案)_第2页
2021-2022年福建省龙岩市公共英语五级(笔试)真题(含答案)_第3页
2021-2022年福建省龙岩市公共英语五级(笔试)真题(含答案)_第4页
2021-2022年福建省龙岩市公共英语五级(笔试)真题(含答案)_第5页
已阅读5页,还剩16页未读 继续免费阅读

付费下载

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

2021-2022年福建省龙岩市公共英语五级(笔试)真题(含答案)学校:________班级:________姓名:________考号:________

一、1.ListeningComprehension(15题)1.Whatisthepassagemainlytalkingabout?

2.Accordingtothespeaker,howdosomepesticidesgetintoponds?

A.Theyareappliedtoaquaticweedsbyfishfarming.

B.Amphibiansreleasethemfromtheirskin.

C.Irresponsibledisposeoftheminponds.

D.Theyarewashedintopondsbytherain.

3.Wherewastheinterviewconducted?

4.Theystartedworkingin1968basedontheobservationmadebyJung,thefounderof______.

5.Accordingtothelecture,whatisinflation?

A.Risingprices.

B.Fixedincome.

C.Realincome.

D.Costofliving.

6.Mr.Millerwillbuyanewhousewiththemoneyhehaswon.

A.TrueB.Fasle

7.Whyshouldamanagerstudybehavioralmanagement?

8.PartA

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

听力原文:Hello,everyone.TodayIwillintroduceyouthelearningchainsinBritain.Herethechainsrefertoschoolslinkedtogetheraspartofagroup.Theycanofferstudentsmanypracticaladvantages.

Whenpeopleareaskedtonamealanguageschool,moreoftenthannot,theythinkofoneofthelargeinternationalchainsofschools.Somearevastlanguageteachingorganizationswithschoolsinmanydifferentcountriesandmayteachjustonelanguage.

Oneofthemainstrengthsofthesechainsisthefactthattheirnameisfamiliartopeopleallovertheworld.Thiscanbeabigadvantageintheconfusingworldoflanguagelearning.Moststudentsarebewilderedbymelargechoiceofschoolsandcoursesonoffer,bothathomeandabroad,andsomanyprefertochooseaschoolwhichhasafamiliarnameandanestablishedreputation.Chainschoolsknowthis,andpartoftheirsuccessisduetoeffectivemarketingandadvertising,whichhelpstokeeptheirnamewell-known.

Butchainschoolsshouldnotbedismissedbyseriousstudentsjustbecausetheyuseclevermarketingtechniques.Theyhaveotherimportantstrengthenswhichcanprovideadvantagestostudents.Aschoolisonlyasgoodasitsteachersandfacilities,andmanychainsofferveryhighstandardsinboth.Morechainsrequirethattheirteachershaveinternationallyrecognizedqualificationsandamaximumamountofteachingexperience.Itisimportantforchainstomaintainthesestandardsatallschools,becausethereputationofthewholechaincanbeaffectedifoneschoolperformsbadly.

Studentsalsobenefitfromthestandardizedstructureofchains.Mostchainsusethesametextbooksinalltheirschools,andoftentheyproducetheirowncourseworkmaterials.Theyalsoorganizetheircoursesinmesamewaywhichmeansthatstartingdatesandcourselengthsareusuallythesameatallschools.

Forstudents,oneofthemainadvantagesofthisstandardizedstructureissimplicity.IfyoucannotdecidewhethertostudyintheU.S.orBritain,forexample,mostchainsallowstudentstostarttheirlanguagecourseatoneschoolandcontinueatanother,sotheycanexperiencedifferentregionsordifferentcountries,aspartofthesamestudytrip.

Chainschoolstendtobelargerthansinglecenterschools,whichcanalsohaveadvantagesforstudents.Withlargernumbersofstudents,schooladministratorscanachieveabettermixtureofnationalitiesinclassrooms.Thismeansthatstudentscanavoidbeingwithotherstudentswhospeaktheirlanguage.Thisgivesthemthechancetomeetstudentsfromothercountries,andtopracticetheirEnglishwiththem.

Somechainsofferstudentsaverysimplebookingandenrolmentprocedurewhichisalsouseful.Applicationformsandenrolmentproceduresarethesameforallschools,sostudentsneedonlysupplytheirdetailsonce.

Studentsmayfindthattheycanbooktheircourseabroadthrougharepresentativeofachainschoolintheirowntownorcity.Otherchainsofferacentralizedbookingfacility,sostudentsonlyhavetocontactonecentertomakeabookinganywhereintheworld.

Chainschoolsoftenoperateindifferentlocations,whereasasingleschoolislikelytobebasedpermanentlyinonebuilding.Manychainschoolsoperatetemporaryschools,particularlyduringthesummerholidays.InBritain,theyoftenusesecondaryschoolpremiseswhichareemptyduringtheschoolholidays.

StudyingEnglishinanEnglish-speakingcountryisthemosteffectivewaytolearnthelanguage,butformanystudentsthisisonlyonestageoftheirlearningcareer.Moststudentsstartlearning

A.TrueB.Fasle

9.Shiraliprobablyliveduntil168;Tsurbaprobablyliveduntilage1

A.RightB.Wrong

10.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文:Todaywetakeitforgrantedthatthemailwillbedelivereddailyatourdoor.Butmanyyearsagoitmighthavebeenplacedinatreetrunkorunderneatharock.Intheearlydaysofthemailnoonecouldbesureaboutwhereorwhenitwouldarrive.

AtthesoutherntipofAfricatherewasonceapostofficeunderarock.IntheolddaystheroutefromEnglandtoIndiawasaroundtheCapeofGoodHope.Thejourneywasstormyanddangerous.Ittooksixlongmonths.Sailorsoftenwishedtosendmailhome,buttheyseldommetshipsboundbacktoEngland.Soatthecapethesailorswouldgoashore.Theyheadedforacertainlargestone.Onthestonewerescratchedthewords"Lookhereunderforletters."Theywouldleavetheirlettersthere,knowingthatthenexthomeward-boundshipwouldstopandpickthemup.

TherewasanotherpostofficelikethisatthesoutherntipofSouthAmerica.Duringthegoldrushdays,boatssailedaroundCapeHorntoCalifornia.AtCapeHornwasakegnailedtoapost.Boatscomingfromtheeastcoastwouldsendasmallboatashoretothispostoffice.Theypickedupanylettersinthekeg.Atthesametimetheymailedlettershomethatboatssailingeastcouldpickup.

InthestateofWashingtonstandsthestumpofahugecedar.It,too,wasonceapostoffice.Settlersneededaplaceforthemailcarrierstoleavetheirletters.Theirhousesweresowidelyscatteredthatthemailcarriercouldnotreachallofthem,andthepostofficewasfarawayoverroughroads.Sothesettlersfoundatreethatstoodwhereseveraltrailscrossed.Theycutthetreedowntenfeetfromtheground,holloweditout,andcovereditwitharoof.Inside,theynailedarowofwoodenboxes.Eachboxwasmarkedwithafamily'sname.Themailcarriercouldleavelettersthereforeveryoneformilesaround.

ForthefirstfewyearsaftertheEnglishcolonistscametoAmerica,therewasnoregularpostalservice.Peoplegavetheirletterstoanytravelerwhohappenedtobegoingintherightdirection.Oftentheygavethemtoapeddleroratravelingshoemaker.Whenthetravelerreachedthetownwheretheletterwasgoing,hemightstopataninn.Hewouldleavethelettersthere.Buttheretheystayeduntilthepersontheywereaddressedtohappenedtocomebyandstoppedattheinn.

WhataboutplaceslikeVirginiawheretherewereveryfewinns?Peoplewhowishedtosendletterswouldleavethematoneofthelargeplantations.Theownersoftheplantationwouldthensendthelettersontoaneighbor.Theneighborwoulddothesame.Itwasaslowmailsystem.

Aftermanyyears,regularmailcarriersonhorsebackwerehired.Theywentfromonebigtowntoanother.BetweenNewYorkandBoston,forexample,therewasone"postrider"amonth.Hetraveledonlybydayandtooktwoweeksforthetrip.Oftenthepostriderleftallthemailforawholetownatacrossroadsstore.Itstilltookmanyweeksforalettertoreachthepersonitwasaddressedto.

Finally,abouttwohundredyearsago,BenjaminFranklinwasmadepostmasterforallthecolonies.Hisfirstactwastomakealongjourneytofindoutthebestroutesforcarryingthemail.Thenhesetupalineofpoststationbetweenthenorthernandsoutherncolonies.Heorderedhispostriderstotravelbynightaswellasbyday.

Franklin'spostriderscouldcarrymorelettersinashortertimefromonecolonytoanother.TheletterservicehelpedtheyoungAmericancolonieslearnmoreabouteachother.Theylearnedthattheywereallinterestedin

11.PartC

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

Younowhave1minutetoreadQuestions21-30.

听力原文:Thetenyearsofthe1960swasaperiodofprofoundchangeinmanypartsoftheworld.IntheUnitedStates,beginningwiththeCivilRightsMovementintheearly1960s,andextendingthroughtheVietnamWar,millionsofAmericansbegantochallengeestablishedauthority.Thesemovementswereinitiallypolitical.YoungAmericansdemandedthatgovernmentalpoliciesinracerelationsandinternationalrelationscorrespondtotheidealsofjusticecontainedintheDeclarationofIndependenceandtheConstitutionoftheUnitedStates.Bytheendofthedecade,however,challengestoauthoritywerecarriedfarbeyondpoliticalissuesandweredirectedatthesocialorderanddeeplyrootedculturalpatternsofthecountry.

Thegenerationthatcameofageinthe1960s,theBabyBoomgeneration,soughtchangeinalmosteveryaspectoflifeintheUnitedStates.Forexample,theyexperimentedwithcooperativeeconomicinstitutionsandcommunallivingarrangements,brokesexualtaboos,alteredtheprocessofeducation,explorednon-Westernspiritualtraditions,developedastrongrespectfortheenvironment,andtransformedpopularculture.Asawhole,thesechangesstoodforadifferentsetofculturalvaluesthatprovidedathoroughcritiqueofAmericansocietyasitexistedatthattime.Althoughmany"alternativelifestyles"wereshort-lived,culturalchangesthatbeganinthatperiodhavehadacontinuingeffectonmuchofAmericanlife,particularlyinattitudestowardmale-femalerelations.

Allculturesarecomplex.Theyareacombinationofcloselyrelatedpatternsofsocialinteraction.Asaresult,changesinanimportantaspectofaparticularculturewillusuallyproducechangesthroughoutthesociety.TheWomen'sMovementthatbeganintheUnitedStatesduringthe1960sisatypicalexampleofthisphenomenon.Fromthebeginning,theWomen'sMovementwasinfluencedbyculturalchangesthathadoccurredearlierinthedecade.TheCivilRightsMovementforracialequalityandthedevelopmentofthebirthcontrolpillwereparticularlyimportant—theCivilRightsMovementbecausewomeninvolvedintheeffortforracialjusticebegantoseethemselvesasvictimsofsocialinjustice,andthebirthcontrolpillbecauseitgavewomenreliablecontroloverreproduction.

Social,economic,andlegalequalityandreproductiverightscontinuetobethebasicprinciplesoftheWomen'sMovement.Assomeofthesegoalshavebeenachieved,majorchangeshaveoccurredinbroaderculturalpatternssuchastheeconomyandthefamily.Atthepresenttime,mostofAmericanwomenareemployed.Employmentisnolongerconfinedtosuchtraditionalfemaleoccupationsasteacher,nurse,orsecretary.Womenarenowfoundineveryoccupationandatalllevelsofresponsibilityandauthority.Participationintheeconomyhasgivenmanywomenanindependencethathasallowedthemtochoosewhether,when,andhowtoform.afamily.Workingwomenwithinfamiliesnowarepartofaneconomicpartnershipwithmeninwhichbothadultsprovidesupportforthefamilyunitandareresponsibleforthequalityoflife.

TheWomen'sMovementhasaffectedtherelationshipbetweenmenandwomeninthefamilyinotherwaysaswell.Womenhavechallengedtraditionalsexrolesinthehousehold.Menarenowexpectedtoparticipateinchild-raisinganddomesticactivitiestoamuchgreaterextentthaninthepast.Childbearingisnowamatteroffamilychoice,withwomenhavingthefinaldecisioninfamilyplanning.

Alloftheseculturalchangesarestrengthenedinboththemediaandint

12.PartC

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

Younowhave1minutetoreadQuestions21-30.

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

Let'stalkaboutthedietinEurope500yearsago.Oneimportantfoodwasmeat.Europeansatemanykindsofmeat,includingbeef,lamb,goat,andpork.Europeansalsoatedairyproducts,milkandcheesemadefromthemilkofcowsandgoats.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'texistinmanycountriesthatarefamoustodayfortheirhotandspicyfoodmadewithchilies.Actually,wethinkthatthefirstchilipepperwastakentoSpainbyColumbusin1493,whenhereturnedfromtheAmericas.Afteronly100years,chilipeppershadspreadallaroundtheworld.Theygroweasilyinwarmweather.TheonlyplacethatthechilipepperdidnotbecomepopularwasNorthernEurope,probablybecauseitistoocoldtogrowchilipepperseasily.

Althoughchilipeppersspreadquickly,otherfoodsfromtheAmericasspreadveryslowly.Potatoesareagoodexample.Ittookabout250yearsforthepotatoestospreadaroundtheworld.ThereasonittooksolongisthatEuropeansthoughtthatpotatoeswerepoisonous.ThepotatolookedalotlikeaverypoisonousplantthatgrewinEurope.Peoplewereafraidtoeatpotatoes!Foralongtime,peopleonlyusedpotatoestof

13.Thepast-orientedpeopletendtolookattheworldina______.

14.WhichofthefollowingstatementsisNOTTRUE?

A.Gettingofftoworkwithaminimumefforthelpssaveone'senergy.

B.Dr.Kleimanexplainswhypeoplereachtheirpeaksatdifferenthoursofaday.

C.Habithelpsapersonadapttohisownenergycycle.

D.Childrenhaveenergycycles,too.

15.Mr.Millerhadknownalotaboutcarpentryandelectricwiringbeforehewasengagedindo-it-yourself.

A.TrueB.Fasle

二、2.UseofEnglish(10题)16.(33)

17.

【C7】

18.

【C10】

19.(44)

20.(42)

21.

【C2】

22.(37)

23.(47)

24.

【C4】

25.

【C6】

三、3.ReadingComprehension(15题)26.(70)

27.(69)

28.Women'smindsworkdifferentlyfrommen's.Atleast,thatiswhatmostmenareconvincedof.Psychologistsviewthesubjecteitherasamatterorfrustrationorajoke.Nowthebiologistshavemovedintothisminefield,andsomeofthemhavefoundthattherearerealdifferencesbetweenthebrainsofmenandwomen.Butbeingdifferent,theypointouthurriedly,isnotthesameasbeingbetterorworse.

Thereis,however,adefinitestructuralvariationbetweenthemaleandfemalebrain.Thedifferenceisinapartofthebrainthatisusedinthemostcomplexintellectualprocesses—thelinkbetweenthetwohalvesofthebrain.

Thetwohalvesarelinkedbyatrunklineofbetween200and300millionnerves,thecorpuscallosum.Scientistshavefoundquiterecentlythatthecorpuscallosuminwomenisalwayslargerandprobablyricherinnervefibersthanitisinmen.Thisisthefirsttimethatastructuraldifferencehasbeenfoundbetweenthebrainsofwomenandmenanditmusthavesomesignificance.Thequestionis"What?",and,ifthisdifferenceexists,arethereothers?Researchshowsthatpresent-daywomenthinkdifferentlyandbehavedifferentlyfrommen.Aresomeofthesedifferencesbiologicalandinborn,aresultofevolution?Wetendtothinkthatistheinfluenceofsocietythatproducesthesedifferences.Butcouldwebewrong?

Researchshowedthatthesetwohalvesofthebrainhaddifferentfunctions,andthatthecorpuscallosumenabledthemtoworktogether.Formostpeople,thelefthalfisusedforwordhanding,analyticalandlogicalactivities;therighthalfworksonpictures,patternsandforms.Weneedbothhalvesworkingtogether.Andthebettertheconnections,themoreharmoniouslythetwohalveswork.And,accordingtoresearchfindings,womenhavethebetterconnections.

Butitisn'tallthateasytoexplaintheactualdifferencesbetweenskillsofmenandwomenonthisbasis.Inschoolsthroughouttheworldgirlstendtobebetterthanboysat"languagesubjects"andboysbetteratmathsandphysics.Ifthesedifferencescorrespondwiththedifferencesinthehemispherictrunkline,thereisanunalterabledistinctionbetweenthesexes.

Weshan'tknowforawhile,partlybecausewedon'tknowofanypreciserelationshipbetweenabilitiesinschoolsubjectandthefunctioningofthetwohalvesofthebrain,andwecannotunderstandhowthetwohalvesinteractviathecorpuscallosum.Butthisstrikingdifferencemusthavesomeeffectand,becausethedifferenceisinthepartsofthebraininvolvedinintellect,weshouldbelookingfordifferencesinintellectualprocessing.

WhichofthefollowingstatementsisCORRECT?

A.Biologistsareconductingresearchwherepsychologistshavegivenup.

B.Braindifferencespointtosuperiorityofonesexovertheother.

C.Resultsofscientificresearchfailtosupportpopularbelief.

D.Thestructuraldifferenceinthebrainbetweenthesexeshaslongbeenknown.

29.

Accordingtothepassage,theteensinVillageGreencanbecalled______.

A.depressedgeneration

B.coolgeneration

C.attractivegeneration

D.prosperousgeneration

30.

Whichofthefollowingstatementsistrueaboutinsuranceproducts?

A.Peoplehavenochoicewhenbuyinginsuranceproducts.

B.Thereweresomanychoicesininsuranceproductsinthepastthatpeoplefounditdifficulttomakeadecision.

C.Therearenobetterandcheaperinsuranceproducts.

D.Itisbetterforpeopletohavesomanyinsuranceproductstochoose.

31.

Theenclosuresofthe17thand18thcenturiesmeantthat______.

A.peoplewerenolongerlegallyentitledtoownland

B.peopleweredriventolookelsewhereformeansofsupportingthemselves

C.peoplewerenotadequatelycompensatedforthelossoftheirland

D.peoplewerebadlypaidfortheworktheymanagedtofind

32.

Anderson'searlysuccesshas______.

A.greatlyspeededthedevelopmentofmedicine

B.broughtnoimmediateprogressintheresearchofgene-therapy

C.promisedacuretoeverydisease

D.madehimanationalhero

33.

WhichofthestatementsabouttheteensisNOTtrue?

A.Theyareill-bredstudentsinschool.

B.Someofthemtake"realdrugs".

C.Teensneedsattention.

D.Afewcasuallydisplayscarsontheirarms.

34.

Whichofthefollowingistrueaccordingtothetext?

A.TheHartspreferapublicuniversitytoaprivateone.

B.Itismucheasiertopaythetuitionatpresent.

C.Allstudentscangettheaidpackage.

D.Traditionalscholarshipsarestillattractivetosomefamilies.

35.

Theeffectsofalmostuniversalemploymentwereoverwhelminginthat_______.

A.thehouseholdandvillagecommunitydisappearedcompletely

B.mennowtravelledenormousdistancestotheirplacesofwork

C.youngandoldpeoplebecamesuperfluouscomponentsofsociety

D.theworkstatusofthosenotinpaidemploymentsuffered

36.(77)

37.

Whatadvantagewilltherebeifonebuyslifeinsuranceinsteadofmakingotherinvestments?

A.Hewillhavemoneyforaretirementhome.

B.Itwillcosthimnothingifhebuysanlifeinsurance.

C.Profitheearnsfrominsuranceistax-free.

D.Itischeaptobuyalifeinsurance.

38.

Theauthorimpliesinthesecondparagraphthat______.

A.theproposaloftheDepartmentofJusticeisunjustified

B.surveillanceofanysuspectcommunicationisnecessary

C.civillibertiesgroupsshouldnothaveshownsuchgreatconcern

D.exceptionsshouldbemadeininterceptingcommunications

39.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,Alaska,andHawaii),sogeographywon'thelpyou.Thegeneralruletoidentifypoisonivy,"leafletsthree,

40.Defendersofspecialprotectivelaborlegislationforwomenoftenmaintainthateliminatingsuchlawswoulddestroythefruitsofacentury-longstrugglefortheprotectionofwomenworkers.Evenabriefexaminationofthehistoricpracticeofcourtsandemployerswouldshowthatthefruitofsuchlawshasbeenbitter;theyare,inpractice,moreofacursethanablessing.

Sex-definedprotectivelawshaveoftenbeenbasedonstereotypicalassumptionsconcerningwomen'sneedsandabilities,andemp

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论