Unit4 Global warming.docx

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1、Unit4Globalwarming导语I你知道全球变暖会给人类的生活和环境带来聊些改变吗？Shortand1.ongTermEffectsofGlobalWarming ClimatechangeGlobalwarmingisCaUSingthetemperatureoftheearthtoriseslowlycausingmassiveglobalchangestoournaturalenvironment. RisingsealevelGlobalwarmingisrapidlymeltingglaciersaroundtheglobecausingarisingsealevelandp

2、ossiblycoastalfloodingandotherweatherproblemsinthefuture. EcosystemchangesGlobalwarmingischangingCertainecosystemsthroughoutduetotemperaturefluctuations.Animalsandplantsarcbeingforcedtoadapttothisandasaresultaredyingoff. BreakdownoftheozonelayerGlobalwarmingiscreatingholesintheozonelayerprimarilyfro

3、mhumanuseofproductsthatemitpoisonousChemiCaIS.TheozonelayerabsorbsUVradiationfromthesun.Theholesarecausingamountsofpoisonouschemicalspresentinourbreathingairtoincreaseatarapidrate.词海拾贝1 glaciern.冰川2 ecosystemn.生态系统3 fluctuationn.波动4 ozonen.臭氧5 emitof.发出放射问题思索1Whateffectsisglobalwarmingcausing?2Isits

4、erioustohaveholesintheozonelayer?答案：1.Climatechange，risingsealevelecosystemchangesandbreakdownoftheozonelayer.6 Yes*itis.I.将单询与其正确释义连线1.consumeA.图表：曲线图2.graphB.现象3.phenomenonC.燃料4.fuelD.平均的5.trendE.趋势,修向6.mildF.温顺的；温顺的7.consequenceG.环境；状况8.circumstanceH.贡献9.average1.消费：消耗10.contributionJ.结果答案：1-12-A

5、3-B4-C5-E6-F7-J8-G9D10-HH.依据所给汉语提示写出单词1.洪水1水灾2.就反对；抗拒3.“力.平稳的,持续的4. a”分布广的：普遍的5. “拥护；提倡，主见6. n.污染；弄脏答案，l.fl(x)d!.oppose3.steady4.widespread5.advocate6.pollution川.依据英语将义写出单词1. :aquicklook2. ：anamountoranumberofsth3. ttopaymoneyregularlytosupportacharity4. $toexpresssomethinginspeechorwriting*especial

6、lyinadefiniteorformalway5. thappeningorchosenwithoutanydefiniteplan*aimorpattern6. ：totakeaparticulardirection7. iasuddeneventresultingingreatlossandmisfortune8. ：thelimitsbetweenwhichsthvaries：asetofproductsofaparticulartype答案：1.glance!.quantity3.subscribe4.state5.random6.tcnd7.catastrophc8.rangcN.

7、选用短语的适当形式完成句子keeponibeopposedto：comeaboutresultinsubscribeto：goup；quantitiesof；evenif1. Therearelargeraininthisarea.答案quantitiesof2. Doyouknowhowglobalwarming?答案：comesabout3. Ihavenevertheviewthatschooldaysarethehappiestdaysofyourlife.答案subscribedto4. Ifyouwanttomakethekite,pullthestringhard*andthen

8、releaseitslowly.答案：goup5. Hiscarelessspeechmuchargument.答案resultedin6. VVethepracticeofpowerpoliticsbetweennations.答案arcopposedtoV.领悟句子所用的句型并译成汉语1. Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreaseWhenCOmDaredtoothernaturalchanges.答案：这个数值对你我来说可能是无所谓的，但是跟其他自然改变相比较而言，这却是一种快速的增长.2. Thereisnedo

9、ubtthattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.答案：毫无疑问，地球是在变暖（见表一），而地球变暖正是人类活动导致的，并非是一种无规律的自然现象.3. Withoutthegreenhouseeffecttheearthwouldbeaboutthirty-threedegreesCelsiuscoolerthanitis.答案：假如没有“温室效应”，地球温度将比现在低大约33

10、摄氏度.课文表层理解I.推断正(T)误(F)1. Thetemperatureinthelastcenturydidnotseemtoincreasemuch.(T)2. Everyonebelievesthatglobalwarmingiscausedbytheactivityofhunans.(F)3. JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintenperature.(F)4. Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.(T)5. G

11、corgcHaniblcybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.(T)6. Itisclearwhattheeffectsofglobalwarmingwillbe.(F)H.读课文回答问题1. Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?答案：Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Sonethinktheeffectswillbeterribl

12、e,whilesomeothersbelievethatWeshouldnotworryaboutit.2. Whatarcthetwographsaboutinthetext?答案：ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2019.Thcsecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to2019.3. Whatisthemaintopicofthearticle?答案：GlobalWarminMthewarm

13、ingoftheearth.川.表格填空Theburningof1.likeCOaI,naturalgasandoiltoproduceenergy.Duringthe20thcenturythetemperatureoftheearthroseabout2.degreeFahrenheit.Thelevelsofcarbondioxidehave3.greatlyoverthelast100to150years.CharlesKeelingfoundthatthecarbondioxideintheatmospherewentupfromaround4.partstoaround370par

14、tspermillionbetween1957and2019.DrJaniceFostersaysthattheamountofwarmingcouldbeaslowas1to1.5degreesCelsius*butitcouldbeashighas5degreesoverthenext5.years.TheclimatecouldbeveryseriousAriseofseveralmetresinthe6.Severestorms,floods*7.,famines.Thespreadofdiseases.Thedisappearanceof8.Weshouldnotworryabout

15、highlevelsofcarbondioxideintheair.ltwillmakeplantsgrow9.；cropswillproduce10.：itwillencourageagreaterrangeofanimals.答案：1.fossilfuels2.one3.increased4.3155.1006.Sealevel7.droughts8.species9.quicker10.nore课文深层理解I.读课文匹配段落大意1. Para1A.Thecauseoftheearthsbecomingwarmer2. Para2B.Theconsequenceofburningfossilfuels3. Para3C.Theincreaseofcarbondioxide4. Para4I).Globalwarmingwillgoon5. Para5E.Puzzlesaboutglobalwarming6. Para6F.Differentattitudestoglobalwarming7. Bara7G.Anintroducti