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Unit2readingandthinking课后练PartI基础部分一、词汇训练1.____________适应2.____________保留;预订;预留3._____________生物;动物4.____

_________速度;(比)率等级;级别5._____________美;美人;美好的东西6._____________神圣的;受尊敬的7._____________威胁;恐吓8._____________存在

;生存9._____________和谐;融洽10._____________措施;方法11._____________观察(到);注视;遵守12._____________攻击;抨击13._____________去除;移开;脱去14._____________官方;当权;权威15.___

__________利益;利润16._____________使惊恐;使害怕;使担心17._____________已灭绝的18._____________不合法的;非法的19._____________使遭受危

险;危害20._____________涉及;让……担忧21._____________打猎;搜寻;追捕22._____________生活环境;栖息地二、根据要求填写适当的单词1.There________(存在)abankacrossthes

treet.2.Hispurposewastomakea________(利益)byimprovingthecompany'sperformance.3.Inrecentyears,theAfricanelephantshavebeen________(袭击)illegallyandtheirha

bitatsaregettinglimited.4.Thoughhavinglivedabroadforyears,manyChinesestill________(遵循)thetraditionalcustoms.5.Afte

rmanyyears,thiscoastalareawasfinallynamedanationalwildlife________(保护区)lastyear.6.It’sourdreamthatweallliveinpeaceand___________(和谐）

.7.Howcouldanyonefindpleasureinhuntingandkillingthisbeautiful(生物）？8.Thedestructionoftherainforest_____(threaten)humanlif

e.9._____(observe)carefullyifanychangeoccurswhendoingexperimentsinthelab.10.Onfirstseeingthecity,mostvi

sitorsareoverpoweredbythe_____(beautiful)ofthenoblebuildings.11.Ifyougettothehotelintheafternoon,pleasedon’tforget_____(reserve)aroomforme.

12.AsfarasI’m_____(concern),thebestseasonformeisspring.13.Thepatienthadtohaveoneofhislegs_____(remove)becauseofinfection.

14.Themanwaswalkinginthewoodswhenhe_____(attack)byasnake.15.MassiveicesheetsintheArcticaremeltingat_____(alarm)ratesandcausingthe

sealeveltorise.16.Humanbeingsshouldlive________harmonywithnature.17.Amiludeer________(shoot)deadjustnow.18.Thisposte

rremindsme________theimportanceofstudyingEnglish.19.Don’tyouknowitis(legal)todrivethrougharedlight?20.You

will(danger)yourhealthifyouworksohardeverynight.21.Igotintouchwithhim(immediate)afterIreceivedtheletter.22.Theold(hunt)stop

pedsuddenlywhenhesawthewolf.PartII提高部分一、阅读理解Whatdothefollowinganimalshaveincommon?Pandas,rhinoceros,Mexicanburrowingsnakes,pinkpigeonsandsmalltooths

awfish.Theyareallendangeredanimals!Animalsbecomeendangeredforavarietyofreasons.Sadly,humansarebehindeveryoneofthem!Forcenturi

es,humanshavehuntedelephantsfortheirtusks,andkilledtigersfortheirbeautifulfur,caughtfishforfood.Whilewestill

haveelephants,tigers,andfishinthewild,wecannotsaythesameaboutmanyothersthathavesimplydiedout!Year1505wasadreadfulturningpoin

tinthenaturalhistoryoftheislandofMauritius—EuropeansailorsdiscoveredthisbeautifulislandintheIndianOceanandbroughtdogs,pigs,m

onkeyswiththem.Thearrivalofhumansandthoseintroducedanimalspecieswerebadnewsfordodobirds.About50poundsandf

lightless,dodobirdsdidnothaveanynaturalenemiesuntilthen.Theypickedfruitfallenfromtreesandbuilttheirn

estsontheground.ShortlyafterhumanssetfootonMauritius,however,dodobirdsrealizedthattheywereinbigtrouble—menkilledthemforthei

rmeat,andthoseintroducedanimalspeciesdestroyedtheirnestsandatetheireggs.Theeffectsofexcessive(过度的)huntingandforeig

nspeciesdrovedodobirdstofirstbecomemuchfewerandthendieout.Thelastdodobirdwaskilledin1681.Humansandanimalshavealwayscompetedforland

andothernaturalresources.Weclearanareaofaforestforfarming.Wecutdowntreesandusewoodtobuildbeautifulhouses.Webuildreservoirs(水库)toma

kesurethatwehaveenoughwatertouse.Atthesametimethatwearetryingtomakeourlifecomfortable,wedestroythehabitatsofwildanimals.Morethanoncewehaveseenontelev

isionthatrescueworkersaretryingtheirbesttosaveseabirdsinspilled(泄漏的)oil.Morethanoncewehaveheardabouthowemissio

nsofcarbondioxide(二氧化碳的排放)andothergaseshaveraisedtheearth'stemperatureandcausedglobalwarming.Pollutionhasaseriousandlonglastingeffect.

IfwechoosetodonothingandcontinuetopolluteourplanetEarth,ournextgenerationswillhavetofaceanEarthwithoutbirdssingingandbeastsroaring.1.Whi

chofthefollowingareNOTendangeredanimals?A.Pandas.B.Rhinoceros.C.Pinkpigeons.D.Dodobirds.2.Whatdoestheunderlinedword"dreadful"(inPara

graph4)mean?A.Surprising.B.Exciting.C.Awful.D.Quick.3.Paragraph5mainlytalksabout_______.A.howexcessivehuntingle

dtoendangermentofanimalsB.whenforeignspeciesenteredtheislandofMauritiusC.thehumanactivitiescausedthelossofha

bitatsofanimalsD.pollutionplayedamainroleintheworseningoftheenvironment4.Whatisthebesttitleforthepassa

ge?A.WhatmakestheanimalsindangerB.HowtosavetheendangeredanimalsC.PollutionandanimalsD.Don'thuntforanimals二、七选五Wildlifefacesthreatsfromhabitatde

struction,pollution,andotherhumanactions.___1____Herearesometipsonhowtoprotectwildlifethroughsmallactions.★Createwildlife-friendlyareasinyourbac

kyard.Whentryingtomakeyourgardenmorebeautiful,youcanchooseplantsthatcanprovidefoodandsheltertonativewildlife.____2___Addbirdorbathousestoyourya

rdorgardentoattractandshelterthesespecies.★Avoidharmingthenaturalecosystem(生态系统)inyourarea.Someplantsfromotherplacescankillorharmnativeplants

thatprovidefoodandshelterforwildlife.★Haveagreenerlifestyle.Byusinglesswaterandfewerfuels,youwillbehelpingtoprotectthewildlifearound

you.Takebusesorthesubwaywhenyoucan.___3____Takeshortershowers,andkeepyourroomtemperatureatorbelow28°Cduringthewinter.★Buypr

oductsthatarewildlife-friendly.____4___Keepinmindthatsomeendangeredanimalsarekilledbytraps,catchesorhunt

erswhoareafterotherwildlifewithinthesamehabitat.★___5____Youcangivemoneytoorganizationsorgroupsthatprotectwildlifespeciesiny

ourneighbourhood.A.Thiswillalsohelpcutdownonpollution.B.Turnoffelectricdeviceswhenyou'renotusingthem.C.Itissuggestedthatweprotectwildlifethroughactio

ns.D.Thatiswhyprotectingwildlifeisextremelyimportantnow.E.Don'tbuyproductsthataremadefromendangeredanimals.F.Donatemo

neyortimetoorganizationsthatprotectwildlifeandtheirhabitats.G.Althoughprotectingwildlifemayseemtoohardattimes,evensmallactionsinyourownneighbourh

oodcanhelpprotectmanydifferentanimals.三、完形填空Someofthegreatestproblemswefacetodayareconcernedwiththegradualdestruction(破坏)ofoure

nvironmentthroughoveruseofour1.Somyfamilydowhatwecan.Wetakeclothbagstostoresinsteadofusingplasticbags.Wewalkwher

ewedon’thaveto2.ButwhenI'mtheonlyonewithaclothbaginlineatthegrocerystore,Iaskmyself:Doesitdoanygood?Irecentlyfoundtheanswerfro

mflamingos(火烈鸟).Thesebeautifulbirdsgatherin3groupsofathousandormore.Everyyear,whenthetimecomesformigration(迁

徙),afewflamingosstarttheprocessby4fromthelake.But5oftheothersseemtonotice,sothetinygroupreturns.However,thenextdaythey6again.Thi

stimeafewmorestrugglealongwiththem,butthevastmajority7noattention,sothesepioneerscomeback.Thetrendcontinuesfor

severalmoredays.Everytimeafewmorebirdsjoininbut,8thethousandsofothersstilltakenonotice,thegreatmigrationplanisonceagain9.Thenoneday,th

ings10.Thesamesmallgroupofbirdstakeswingandatinynumbermorejoinin,justasbefore.Thistimetheirtotalnumberisenoughtotipthebalan

ce(担转局势).Asone,thewholegrouptakesflightandthemigration11.Afewcanmakea12.It’struethatallofthegreatproblemsofth

eworldhavebeensolvedbecauseofthe13effortsofafew.Ifyoubelieveinacause,don’t14.Otherswillsomedaynoticeand15wewillsolveevenourgreatestproblems.1.A

.moneyB.resourcesC.timeD.strength2.A.driveB.runC.cycleD.stand3.A.tinyB.differentC.hugeD.similar4.A.cuttingo

ffB.gettingupC.carryingoutD.takingoff5.A.allB.anyC.noneD.most6.A.gatherB.tryC.singD.appear7.A.attractB.requireC.escapeD.pay8.A.si

nceB.ifC.whileD.unless9.A.preparedB.handledC.cancelledD.delayed10.A.approachB.workC.changeD.disappear11.A.continuesB.failsC.finishesD.begins12

.A.pointB.decisionC.differenceD.mistake13.A.uselessB.tirelessC.totalD.special14.A.giveupB.giveawayC.getoverD.getoff15.A.jointlyB.independentlyC.p

eacefullyD.wildlyAtaquietnightintheseasonofspringorsummer,ifyouhappentobenearthefields,youcanhearfrogssinging_____1_____(happy)hereand

there.Itseemsasiftheywereperformingafieldgroupsinging.Thefrogisagoodandusefulcreaturethatbenefitshumanbeings.The

ycancatchfast-moving_____2_____(insect).Eachfrogeatsalargenumberofpeststhatareharmfultocrops.Thislittlecreatureisregarded_____3_____th

enaturalenemyofpests”.Butnowfrogs____4______(get)fewerandfewer.Thisisbecausetheyarekilledandput____5____

__thetableasadeliciousdishbytheirchiefenemy,humanbeings.Itisashamelessandcruelact,isn'tit?Thecauseresponsiblefortherapid_____

6_____(reduce)offrogsisthatfarmersuseinsectkillertokillpestsandfrogsgetkilledasaresultofdrinkingpoisonedwat

erwhile_____7_____(eat)poison-killedinsects.Somethingmustbedonewithoutdelay____8______(save)frogs.Ifwedon’tpunishthose_____9___

__sellandkillfrogstomakemoney,thenonedayallofus_____10_____(punish)bynatureforfailingtokeepthem.四、书面表达结合课文主题使用本单元词汇

与句型，根据提示写—篇50词左右的短文1.当今，随着漸危物种(species)被非法猎杀(huntillegally),以及栖息地(habitat)被破坏，它们正以令人惊讶的速度(alarmingrate)灭绝(ex

tinct)。2.人们已逐渐意识到(awareof)保护它们的重要性。有些志愿者主动夜以继日地保护它们。3.政府已采取有效的措施(measure)来保护(watchover)它们，比如建立了一些自然保护区(reserve)。_____

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____________________________________________________________________参考答案PartI一、1.adapt2.reserve3.creature4.rate5.beauty6.sacred7.threat8.exist9

.harmony10.measure11.observe12.attack13.remove14.authority15.profit16.alarm17.extinct18.illegal19.endang

er20.concern21.hunt22.habitat二、1.exists2.profit3.attacked4.observe5.reserve6.harmony7.creature8.threatens9.Obser

ve10.beauty11.toreserve12.concerned13.removed14.wasattacked15.alarming16.in17.wasshot18.of19.illegal20.endanger21.immediately22.hunterPar

tII一、1-4DCCA二、1-5GABEF三、1--5.BACDC6--10.BDADC11--15.DCBAA四、1.happily2.insects3.as4.aregetting5.on6.reducti

on7.eating8.tosave9.who10.willbepunished五、答案：Nowadays,becausemanyendangeredspeciesarebeinghuntedillegallyandtheirhabitatsarebei

ngdestroyed,theyarebecomingextinctatanalarmingrate.Peoplearegraduallyawareoftheimportanceofprotectingthem.Somevolunteersoffertowatchoverthemdayan

dnight.Thegovernmenthastakeneffectivemeasurestoprotectthem,forexample,settingupsomenaturereserves.