Unit8FocusonGlobalWarmingKeytotheExercisesTextcomprehensionAT;2。T；3.F；4。F；5.F.Paragraph2。Becauseglobalwarmingmaybethesinglelargestthreattoourplanet(theearth).Low-lyingnationscouldbeawashinseawater,rainanddroughtpatternsacrosstheworldcouldchange,hurricanescouldbecomemorefrequent，andElNinoscouldbecomemoreintense.Paragraph3。Ourfactories,powerplants,andcarsburncoalandgasolineandspitoutcarbondioxide,producemethanebyallowingourtrashtodecomposeinlandfillsandbybreedinglargeherdsofmethane-belchingcattle,andreleasenitrogenoxidebyusingnitrogen—basedfertilizers。Paragraph4。TheincreasedconcentrationsofgreenhousegasespreventadditionalthermalradiationfromleavingtheEarth,socausetheglobalwarming.Paragraph7。Aslightincreaseinheatandraininequatorialregionswouldincreasevector—bornediseasessuchasmalaria；moreintenserainsandhurricanescouldcausemoreseverefloodingandmoredeathsincoastalregionsandalongriverbeds;evenamoderateriseinsealevelcouldthreatenthelow-lyingislands；hottersummerscouldleadtomorecasesofheatstroke,hospitaladmissionsanddeathsamongvulnerablepeoplewithheartproblemsorrespiratoryproblems.Paragraph8and10.Wecancurbourconsumptionoffossilfuelsandusetechnologiestoreducetheemissionofheat—trappinggaseslikecarbondioxide，methane，andnitrousoxides,andprotecttheforestsintheworld，andwecanalsoadvocatepoliciesthatwillcombatglobalwarmingoverthelongterm,thingslikecleancars,environmentallyresponsiblerenewableenergytechnologies,andstoppingtheclear—cuttingofvaluableforests.IV.GlobalwarmingwillprobablybethemostseriousthreattoourEarth，ifwedonottakeintoaccountofsomeotherpossibledisasters,suchasanotherworldwar，collisionofourEarthwithsomesmallorbitingplanet，orspreadofincurablediseases。Intermsofhumanhealth，thepeopleofthepoorercountrieswillsuffermost,becausetheircountriesdonothavemoneytoprotectthemwhenclimatechanges.StructuralanalysisSub-ideasinthesecondpart：thecausesoftherisingconcentrationofgreenhousegasesintheatmosphere(Paragraphs3and4)theeffectofsuchconcentrationonclimatechange(Paragraphs5and6)thepotentialthreatofglobalwarmingtohumanhealthandsurvival(Paragraph7)VocabularyPhrasewiththeexceptionof:except,apartfrom除 之夕卜，不包括 在內(nèi)Inessence=essentially,basically本質(zhì)上，根本上whereverpossible：wheneveritispossible只要可能overthelongterm:overalongperiod從長遠看alternative=substitutable，different,replaceableII。1。focus；2。muchthesame;3。consciousness;4.threat；5。deserved;6。decomposed；7.revealed;8。frequent。WordderivationFensified3。excessive4。speculativeabundance6.inclusive7.emits8.locallyA；2。D;3。B；4。C；5.D；6.A；7.C；8.A.V。Synonym/AntonymGiveasynonymoranantonymofthewordunderlinedineachsentenceinthesenseitisused。Synonym：mainly，basically,firstlyAntonym:unfortunately,unluckilyAntonym:excludeSynonym:part，divisionAntonym：decrease,loweringAntonym:unavailableSynonym:weak，insecure，unsafeAntonym:irresponsibleVI.PrefixWriteineachspaceonewordthathasthesameprefixasunderlinedineachgivenword.centigrade centimeterkilogramkilometersynopsis syntheticsupervise superior

submarineastronautmicrobiologysubmarineastronautmicrobiologyoverworksubmergeastronomymicrowaveoverloadGrammarExercisesCompletethefollowingsentencesusingtheappropriateverbforms。began//havehadA:Have//talkedHavetalked//talkedhasinventedhave//telephoned//wenthavebeenhasgot(gotten)hasbeenhaveforgottenB:hasgoneAbouttenminutesago。was//hasdisappeared.a.simplepresentform；b.“hasobtained”。synonymousa。thespeaker’spointofview；b。thelistener’sperspective.a.definite；b.indefinitea。stillsuffering;b.pasta。onthewayorinItaly；b。leftIhemorning;b.afterthemorninga.todayisnotfinishedandhemaydrinkmore;b.simplyhappenedtoday.a.passedaway；b.stillliving.havehad-havehavebeen-belaying-lyingbore-bearRang-Rungrised-risenhad-hasFillintheblankswithbecause，as，since，seeingthat,fororbecauseof。As/Sincebecause/asAs/Since/SeeingthatbecausebecauseofAs/Sinceforas/becausebecauseofforTranslationexercisesI。到因特網(wǎng)上查一查就可以證明,全球變暖這個主題在公眾意識中已經(jīng)和麥當(dāng)娜和微波爐一樣根深蒂固了。如果我們不限制溫室氣體的排放,低地國家就可能會遭到海水的沖刷，全世界雨水和干旱的規(guī)律就可能發(fā)生變化,颶風(fēng)可能會更加頻繁,厄爾尼諾現(xiàn)象也可能更為嚴(yán)重。我們還主張實施有關(guān)政策，與全球變暖現(xiàn)象進行長期斗爭，如駕駛使用替代燃料的清潔汽車、采用有利于環(huán)境保護的可再生能源技術(shù)，以及阻止濫伐寶貴的森林。這個問題需要所有的人——包括各國政府、工業(yè)界、社團,以及個人的協(xié)同合作，才會有真正的改觀。II.Aftermonthsofnegotiation,thetwocompaniesfinallycameupwithasolution，whichwasinessenceouroriginalproposal。ThepeopleofthatAfricantribeworshipthemooninmuchthesamewaythatourancestorsworshippedthesun.ItisstillapuzzleastohowtheancientEgyptianpyramidswerebuiltover4，000yearsago.Somepeoplespeculatethattheywerebuiltbysupernaturalbeings。Theillegaluseofinferiorbuildingmaterialseventuallyresultedinthecollapseofthehotel.Atpresent，manycountriesaretakingactiontomitigatetheimpactofthefinancialcrisisontheireconomy。Thecouplefinallydivorcedafteryearsofincessantquarrels,whichhadresultedfromalackofunderstanding.Thegovernmentsofthetwocountriesagreedtosetupamilitaryhotlinetoreducetheriskofwarduetoincorrectinformation。SomeChinesestudentswerenotverysuccessfulinAmericanuniversitiesbecausetheyfailedtoadapttothenewenvironmentthere.ExercisesforintegratedskillsDictationItcouldbethetitleofa21st-centuryhorrormovie:/“DeathbyGlobalWarming。”/Instead,itisareal—lifewarning/fromanAmericanuniversityecologist/whobelieves/globalwarming/mayaccountfor/millionsofhumandeathsfromdisease。/Rightnow/theevidenceof/significantglobalclimatechange/isminimal，/buttherearealready/noticeableincreases/inhumandiseasesworldwide。/Mostoftheincreaseindisease/isduetonumerousenvironmentalfactors，/includinginfectiousdisease，/pollutionbychemicals/andbiologicalwastes,/andshortageoffood。/Globalwarmingwillonly/makemattersworse。/Globalclimatechange/willresultinalossofavailablefood。/Althoughtheremaybesomebenefits/incropproductionfromwarmerclimates，/thesebeneficialeffects/willnotbesogreat./Croplossesfromplantdiseaseandweeds/willincreaseinawarmerclimate./Clozeamong(2)with(3)by(4)up (5)muchnot(7)to(8)as(9)whose (10)toWritingPracticeReadandconsiderthefollowingtopicsentencesandthenthinkoforsearchforfamousquotablesayingsontheInternetorfromothersources.Developeachparagraphusingoneortwoquotesforeachtopic。Itishardtooverestimatetheimportanceoffriendship.Ideasforreference:Friendsareanindispensablepartofhuman’slife.Friendsaretheverypersonsthatwegetcomfortsandencouragements.Friendsareourbestfanswhateverwedoifitisgoodforus。Sample:Asthesayinggoes“Whoeverisdelightedinsolitudeiseitherawildbeastoragod”，friendsareanindispensablepartofhuman’slife.“Apersonwithoutfriendsisjustlikeaspringwithoutflowers，adishwithoutseasoning，anditisabsolutelymeaningless”,asanancientwriterputit。Needlesstosay,friendsplayasignificantroleinourlife.Tobeginwith，friendsaretheverypersonsthatwegetcomfortsandencouragementsweneedtogoonwhenourownstoreofwillpowerhasbecomedepleted.Nooneisboundtobestrongandhappyallthetime，forlifehasitsownupanddown.Andwheneverweneedthem，friendswillbewithus,ifnotalways,atleastmostofthetime.Moreover，friendsareourbestfanswhateverwedoifitisgoodforus。Whenweputonaplay，theywillbeouraudiences;whengiveaspeech，theywillbeourlisteners；whenwewriteabook,theywillbeourreaders.Inaword，friendsaretheverypersonsthatwefeelflatteredandrelaxednomatterwhatstagewestandon。Allinall，wehavetosaythatitishardtooverestimatetheimportanceoffriendshipandhavingfriendsisbeneficial.Theygiveuscomfortsandencouragements;strengthsandconfidences。Actually,“Trulygreatfriends，”saidawriter,“arehardtofind,difficulttoleave,andimpossibletoforget。”Therefore，weshouldcherishourfriendship.Settingoneselfhighgoalsinlifeisimportant.Ideasforreference:Aimplaysasignificantroleinourlife.Settinghighgoalsmakesuscleareroflife.Settinghighgoalshelpsususeourtimemoreefficiently。Settinghighgoalsturnsusmoreconfident.Sample：Asthesayinggoes“Livingwithoutanaimislikesailingwithoutacompass”,aimplaysasignificantroleinourlife，especiallywhenwewanttomakesomeachievements.Forourcollegestudents，itisneedlesstosaythatsettinghighgoalsinlifeisimportant。Tobeginwith，settinghighgoalsmakesuscleareroflife.Wearen’tboundtosucceedifwehavenogoal。Onlywhenwehavesomeideaofourlife,willweworkharderforit。Furthermore，settinghighgoalshelpsususeourtimemoreefficiently。Havinganaiminmind，wewilltakedifferentactionsatdifferentperiodsofourcollegelife，thusmakingusapproachourdreamcloserandcloser.Lastbutnottheleast,settinghighgoalsturnsusmoreconfident.Justas“Romeisn’tbuiltinaday"，oursuccesscannotbeachievedovernight。Bearingsomegoalsinmind，weareeasiertomakeprogresseveryday,thusbringinginmoreconfidenceforus。Allinall,wehavetosaythatsettinghighgoalsisextremelynecessary。Itgiveslighttoourfutureandmakesusfullofenergy！Ifwewanttomakeadifferenceinlife,settinghighgoalsplease,foracleargoaldeterminesourdestiny!ListeningExercisesYouwilllistentoanaward-winningspeechontreesinwhichagirlexplainswhyshelovestrees.Whatideaswouldyouexpecttohearinsuchaspeech？Thefollowingwordsmaygiveyousomehints.Trytoguesstheirmeaningswhilelistening。令commodity(noun)product令nursery(noun)greenhouse,aplacewhereplantsarecultivated令damp(adjective)slightlywet令soil(noun)ground,dirt令disturb(verb) bother,upset令munch(verb)eatandchewnoisily令evergreen(noun)aplantthatdoesnotloseitsleavesandstaygreenthroughouttheyear令exterminate(verb)destroy,killof令lumber(noun)woodfromtreesListentothespeechagain。Completethefollowinglistwhichtellsuswhythegirllikestrees.TOC\o"1-5"\h\