PAGEPAGE10Unit4Globalwarming課下作業(yè)（一~三）課下作業(yè)（一）考點過關(guān)針對練Ⅰ.單詞拼法1．Asthechartsshow,thequantity(數(shù)量)ofthegroundwaterinourcountryisnotsatisfying.2．Inadditiontothesetraditionalactivities,wehaveawiderrange(范圍)ofchoices,suchastravellingandvisitingourrelativesorfriends.3．Thetwopictureslooksosimilaratoneglance(一瞥),buttheyaretotallydifferent.4．Thereisa(n)widespread(普遍的)concernovertheissuewhetherstudentsshouldmakefriendsonline.5．Theaverage(平均的)temperaturerangesbetween23℃and39℃and51%oftheislandiscoveredwithforests.6．Thepeoplewhocannotquitsmokingmayeasilybeaffectedbyhiscircumstances(狀況)andsurroundings.7．Istronglyadvocate(主見)thatweshouldmakejointeffortstocontributetotheyouthfootballprogress.8．Acooldrinkrefreshed(使復(fù)原)meaftermylongwalk.9．Theyarethinkingofwaystodealwithairpollution(污染)．10．Mostcompanybossessaytheyareopposed(反對的)toemployeesworkingovertime.Ⅱ.語境語法填空1.Accordingtothedirector's?statement(state),thedataofthisgraphmakesaclear?presentation(present)ofthefutureenvironmental?tendency(tend).The?growth(grow)ofawiderangeofpollutionhasbeenaglobaltrend.Themildlybut?steadily(steady)goingupoftheaveragetemperatureisresulting?incatastrophes.Withoutdisagreement,thescientistsallagreethatitishumans'?existence(exist)andtheiractivitiesthatmakea?contribution(contribute)tothisphenomenon.2．?Consuming(consume)toomuchenergyhasmadeacontributiontotheglobalwarming,whichmanyscientistshave?subscribed(subscribe)to.Withthetemperature?tending(tend)toincreasecontinuously,wehavebeenadvocating?reducing(reduce)usingenergy.Weallhopethattheproblemoftheglobalwarmingwillbecopedwithoneday.3．Takeaglance?atthepicture,andhefounditspecialon?thewhole.Hekept?onstudyingitandwonderedhowtheideaofpaintingsuchapicturecame?about.4．Aslong?asTomhastime,he,aswell?ashisparents,istohaveashortholidayataseasidecitythissummer.Thereisnodoubt?thattheywillbenefitalotfromtherelaxation.Ⅲ.依據(jù)提示補(bǔ)全句子1．毫無疑問是他所說的話引起了我們對這件事的留意。(thereisnodoubtthat...，強(qiáng)調(diào)句型)There_is_no_doubt_that_it_is_what_he_said_thatdrawsourattentiontotheevent.2．文章表明是人類活動對村莊造成了環(huán)境破壞。(itis...that)Thepassageindicatesthatit_is_human_activity_thathasresultedintheenvironmentaldestructiontothevillage.3．盡管我們都盡最大的努力去勸服Dean，但是他依舊拒絕參與這場競賽。(evenif)Deanstillrefusedtojoininthegame,even_if_we_all_did_our_best_to_persuade_him.4．我們盡量每月存些錢供度假用。(putaside)Wearetryingtoput_aside_some_money_every_month_for_our_vacation.5．在生活中我們會遇到許多失敗，只要我們盡力而為，就沒有必要為這些失敗感到缺憾。(aslongas)Inourlifewemaymeetmanyfailures,as_long_as_we_try_our_best,_there'snoneedfeelingregretforthesefailures.Ⅳ.語境辨義依據(jù)語境選出動詞subscribe的詞義(A)訂閱 (B)簽署(文件)(C)贊助；定期捐款 (D)同意1．Iwasunwillingtosubscribetothecontract,butitseemedthatIhadnochoice.__B__2．Don'tgoandaskforherideaaboutourplan.Neverwillshesubscribetoitforthetrip.__D__3．I'dliketosubscribetosomemagazinesusefulforourwork.__A__4．TheysubscribetotheHopeProject,whichaimstohelpchildrenreturntoschool.__C__課下作業(yè)（二）話題閱讀培優(yōu)練Ⅰ.依據(jù)提示填空?Due_to(由于)climatechanges,Arcticiceisbreakingupearlierinthespring,anditsarea?is_decreasing(decrease).ThisiscreatingproblemsforpolarbearsthatmaketheirhomesoffnorthernAlaskaandinHudsonBay.PolarbearsoffAlaskanormallyhuntandraisetheiryoungonicesheets?floating(float)ontheocean.Butastheicehasmelted,thepolarbearshavebeenforced?to_spend(spend)moretimeonland.There,theyhavebeguntofrequentbeaches,feedingontheremainsofwhales?caught(catch)bynativehunters.Forpolarbears,thisfoodislessnutritiousthansealsthattheynormallycatchonicesheets.Theshrinking(削減)icehasalsoforced?more(much)polarbearsintotheocean.Inthepast,theyonlyhadtoswimshortdistancesbetweenicesheets.Butastheicehasshrunk,polarbearshavebeenforcedtoswimlongerandlongerdistancesintheopenocean.Thisposesaseveredangerduringroughweather,andanincreasingnumberof?drowned(drown)polarbearshavebeenobserved.Unlessthebearscanlearntosurvivetheseclimatechanges,thesegiantsoftheicemayoneday?disappear(appear)．Ⅱ.片段選詞填空abetterchanceof，becauseof，dieout，disappearing，duringthenext50years，dangerous，frightening，ingreatdangerofAfewweeksagoagroupofscientistsproducedareportaboutglobalwarmingandthenaturalworld.Theywantedtofindoutifglobalwarmingwas?dangerousforplantsandanimals.Thescientistsweresurprisedbywhattheyfound.Theysawthat?during_the_next_50_yearsabout25%oflandanimalsandplantswilldisappearfromtheearth.Morethan1millionplantsandanimalspecieswill?die_outby2050.Theheadoftheresearchteam,ChristThomas,whoisaprofessorofconservationbiologyatLeedsUniversity,saidtheresultsoftheirresearchwere?frightening.Morethan10%ofallplantsandanimalswilldisappearfromtheearth.Itistoolatetosavemanyplantsandanimals?because_ofthegreenhousegasesthatarealreadyintheatmosphere.Butthescientistssayifwecontrolgreenhousegasesnow,wecansavemanymoreplantsandanimalsfrom?disappearing.Thescientistsstudiedsomeareasoftheworldwithveryrichbiology.TheseareaswereEurope,Australia,CentralandSouthAmerica,andSouthAfrica.Theirstudiesshowedthatspecieslivinginmountainousareashad?a_better_chance_ofsurvivalbecausetheycouldmoveuphilltogetcooler.Inflatareas,suchasdeserts,plantsandanimalswouldhavetomoveverylongdistancestogetcooler,sotheyare?in_great_danger_ofdyingout.Thescientistsfoundmanysurprisingthings.Forexample,theyfoundthathalfofthe24speciesofbutterflytheystudiedinAustraliawouldsoondisappear.課下作業(yè)（三）高考語篇提能練Ⅰ.閱讀理解AAlGorehasbeenconcernedwithclimatechange,or‘climatecrisis’ashecallsit,forthemajorityofhispoliticalcareer.Astheyearspassedandhebecamemorepassionateaboutthisissue,hestartedtravellingtheworldinordertoeducatepeopleabouttheeffectsofglobalwarmingusingcomputerslideshows.Freeofcharge,heexplainedtohisaudiencesthattheworldisfacinga‘planetaryemergency’andthatitisn'ttoolatetostopitifappropriateactionistakennow.ItwasduringthistimeoftouringandgivinglecturesthatGorewasspottedbyHollywoodproducerLaurieDavid,whoaskedhimtoturnhisslideshowsintoadocumentaryinwhichhewouldplaythestarringrole.Atfirst,Gorewasreluctant,_ashehasalwaysbeenaveryprivateperson,despitebeingusedtobeinginthepubliceye.Eventually,though,Davidmanagedtopersuadehim.TheresultwasafascinatingdocumentarycombiningreferencestoGore'sownlifestorywithhorrifyingpredictionsaboutthefutureofourplanet.LittledidGoreknowthatjustoneyearlaterhewouldbewalkingalongtheredcarpetattheCannesFilmFestivalandlatercollectinganOscarfor‘BestDocumentary’.Advertisedas‘thescariestmovieyou'llsee，’themovieconcentratesonthepotentiallyterrifyingconsequencesofclimatechange.‘AnInconvenientTruth’certainlygivesusmuchtoconsider.Asthetitleofthefilmsuggests,itmaybeinconvenientforustohavetothinkaboutthefutureoftheplanet,butthinkwemust.Theprofitsfromthefilmarenowfundingothercampaignstospreadthemessageaboutglobalwarming.GoreisdelightedthatsomeschoolsareevenusingtheDVDtohelpthemteachawarenessofenvironmentalissuestotheirstudents.Socanthisoneman'seffortsreallymakeadifference?Well,accordingtoGore,ifweareclearaboutwhattheproblemis,thenwearemorelikelytointroducechangesintoourdailylives.Itmaynotseemasifthedecisionsofindividualscanachieveverymuch,butputthemalltogetherandtheymayadduptosomethingthatwill,literally,changetheworld.語篇解讀：本文是一篇記敘文。文章主要介紹了阿爾·戈爾作為環(huán)保專家所做出的種種努力。1．WhydidGoremakeaworldwidetour?A．Tobuildhispoliticalcareer.B．Toresearchonclimatechange.C．Toprovideprivateeducationforchildren.D．Toraisepublicawarenessaboutclimatechange.解析：選D細(xì)微環(huán)節(jié)理解題。依據(jù)第一段其次句中的“inordertoeducatepeopleabouttheeffectsofglobalwarming”可知，Gore環(huán)游世界是想提高人們對于全球變暖這一氣候問題的關(guān)注度。2．Whatdoestheunderlinedword“reluctant”inPara.2mean?A．Cheerful. B．Curious.C．Surprised. D．Unwilling.解析：選D詞義揣測題。依據(jù)下文中的“ashehasalwaysbeenaveryprivateperson”和“Eventually,though,Davidmanagedtopersuadehim.”可知，Gore一起先并不情愿接受好萊塢制片人LaurieDavid的提議。3．Whatcanweinferaboutthefilm?A．Itwasagreatsuccess.B．ItbroughtGoreingreatmoney.C．Itwasfartooscaryformanypeople.D．Itavoidedtheinconvenientcrisisconsequences.解析：選A推理推斷題。依據(jù)第三段中的“hewouldbewalkingalongtheredcarpetattheCannesFilmFestivalandlatercollectinganOscarfor‘BestDocumentary’”和第五段中的“GoreisdelightedthatsomeschoolsareevenusingtheDVD”可知，這部名為《難以忽視的真相》的紀(jì)錄片取得了巨大勝利。4．Whatdoestheauthortrytosayinthelastparagraph?A．Personalcontributionscount.B．We'dbetterbegintochangefromnowon.C．Gore'seffortswillmakenodifferencetotheworld.D．Everyonesharestheresponsibilityfortheenvironment.解析：選A推理推斷題。依據(jù)文章末尾的“Itmaynotseemasifthedecisionsofindividualscanachieveverymuch,butputthemalltogetherandtheymayadduptosomethingthatwill,literally,changetheworld.”可知，作者認(rèn)為，每個人的一小步加起來將是人類的一大步。BThesunrisesabovetheArcticOcean(北冰洋).Acrossthefrozensea,awhitebearmovesslowly.Thebearstopsandsways(搖擺)hisheadfromsidetoside.Thereisnothingtoseebutendlessiceandredsky.Thenhispowerfulnosesenseswhathiseyescannot:abelugawhaleisnearby.Thebearfollowsthesmellandspotsalargeholeintheicewhereasmallwhitewhaleisswimming.Hesilentlywalkstowardthehole,thenstops,standingstill.Thewhaledoesnotseethebear,whosewhitefurmakeshimappearinvisible(看不見的)againsttheice.Finally,thewhaleswimsclosetowherethebeariswaiting.Withterrifyingspeed,thebearcomestolifeandmovestowardthewhale.Inamomentitisover,andthebeareatshisfirstmealinnearlyaweek.Polarbearsrulethefrozensea,buttheirancestorsweren'talwaysbuiltforiceandsnow.ThefirstArcticbearswerebrownbears,aspeciesthatincludesgrizzlybears.Theycametotheicynorthoverahundredthousandyearsago.Nooneknowsforsurewhythesebearstraveledtosuchacoldplace.Scientiststhinktheymighthavewanderednorthlookingforfood.Maybetheybecametrappedbyglaciersandcouldn'tleave.Whateverthereason,thebearsnevershouldhavesurvived.Buttheydid.Theygotusedtotheirnewenvironment.Theirbodieschanged.Theirbehaviorchanged,too.Eventually,thebearsdevelopedintoanentirelynewspecies:thepolarbear.Youcanseesomeofthecharacteristicsthatpolarbearsdevelopedtosurvive.Sadly,thesecharacteristicsmaynowthreatenthepolarbear'ssurvival.Asseaicemeltsduetoglobalwarming,polarbearsarefrequentlyforcedtocomeashore(在岸上).Theyarepoorhuntersonland,whichmeanstheyoftengoalongtimebetweenmeals.Thepolarbear,kingoftheArctic,isnowclassifiedasathreatenedspecies.Althoughthefutureofthepolarbearisunknown,thetaleoftwobearscontinues.Astemperaturesrise,grizzlybearshavebeenspottedmovingnorthintopolarbearterritory(領(lǐng)地).Theselong-lostcousins,onceforcedapartbynature,arecomingbacktogetheragain.語篇解讀：本文是一篇說明文。北極熊的祖先為適應(yīng)環(huán)境而不斷變更自身特征，而現(xiàn)在這些特征卻讓北極熊陷入逆境。5．Whatcanbeinferredaboutthewhitebearmentionedinthefirstfourparagraphs?A．Itisnoisy. B．Itissmelly.C．Itisstarving. D．Ithasgoodeyesight.解析：選C細(xì)微環(huán)節(jié)理解題。由第四段最終一句“Inamomentitisover,andthebeareatshisfirstmealinnearlyaweek.”可知，這只白熊很餓。6．Whatdoweknowaboutpolarbears'ancestors?A．Theywereadarker-coloredspecies.B．Theywereborntoliveiniceandsnow.C．Theyhadnotroublegettingusedtotheicynorth.D．TheycametotheArcticOceanabout1,000yearsago.解析：選A細(xì)微環(huán)節(jié)理解題。由第五段前兩句“Polarbearsrulethefrozensea,buttheirancestorsweren'talwaysbuiltforiceandsnow.ThefirstArcticbearswerebrownbears,aspeciesthatincludesgrizzlybears.”可知，北極熊的祖先皮毛顏色更深一些。7．Whyarepolarbearsstrugglingtosurvive?A．Theyarelosingtheirhuntingground.B．Theyarethreatenedbyotheranimals.C．Theyarespendinglittletimeonland.D．Theyhavedifficultyreachingtheshore.解析：選A推理推斷題。由倒數(shù)其次段中的“Sadly,thesecharacteristicsmaynowthreatenthepolarbear'ssurvival.Asseaicemeltsduetoglobalwarming,polarbearsarefrequentlyforcedtocomeashore(在岸上)．”可知，隨著氣溫上升，北極熊狩獵的海水冰面消逝，使得它們的生存面臨威逼。8．Whichofthefollowingcanbethebesttitleforthetext?A．TheclimatechangeB．Thepolarbear'sfavoritemealC．ThedarkpastofthepolarbearD．ThemysteriesoftheArcticOcean解析：選C標(biāo)題歸納題。文章講到北極熊的祖先毛皮顏色更深，C項中的Thedarkpast既表明白北極熊祖先的外表特征，也暗含它們過去誤入北極的歷史。Ⅱ.完形填空Iwaswalkinginaparkonacoolautumnmorning.Theviewwascharming,andapleasantbreeze(微風(fēng))waskissingmyface__1__.ThenIsawamotherandherlittlebaby.Themotherwore__2__clothesthatseemedtobefoundinadustbin—Howeasyitisforfortunatepeopleto__3__awaythingstheydon'tneed,andtheydothis__4__thinkingoftheunfortunate！Shewasholdingherbaby,protectingherfromthemorning__5__andexpectingsomemoneyfromstrangerssothatshecould__6__foodforbothofthem.ItwasthenthatIrealizedhow__7__Ihadbeeninmywholelifeforlivingarichlife.Thenaman__8__somemoneyandfoodtothemother,andasshetookthem,herfacewas__9__asifshehadbeenthehappiestpersonintheworld.Andwhynot,shecouldnow__10__herbabyatleastfortheday.Actuallyhappinessdoesn't__11__luck,yourfinancialoryourphysicalconditions,butonlyonyourself.Itisjusta__12__inyourhands.Ifyouchoosetobehappy,__13__canstopyoufromit.How__14