高中英语人教版选修ppt课件x 36页

Unit4GlobalWarmingSavetheearth!Period1ReadingI\nTheEarthIsBecomingWarmer–ButDoesItMatter?\nTranslatethefollowingwordsintoEnglish:图表现象燃料影响灾难副产品数据气候每陈述范围干旱graphphenomenonfuelperdatacatastropheclimateconsequencestaterangebyproductdrought\n与…比较发生大量的导致增加毫无疑问继续物种的灭绝comparetocomeabouthugequantitiesofresultinbuildupThereisnodoubtthat…keeponthedestructionofspeciesTranslatethefollowingwordsintoEnglish:\nFastReadingWhowrotethemagazinearticle?Thenameofthemagazine?Whatarethenamesofthethreescientistsmentionedinthearticle?Whatismainlydiscussedinthepassage?\n1.Whowrotethemagazinearticle?Thenameofthemagazine?2.Whatarethenamesofthethreescientistsmentionedinthearticle?SophieArmstrong.EarthCare.DrJaniceFoster,CharlesKeeling,GeorgeHambley.Readingtips:InEnglish,somenounsbeginwithacapitalletter(大写字母),suchasnamesofpeopleandplaces,titles(标题)ofmagazines,newspapers,storiesandbooks,people’stitles(头衔),etc..\n3.Whatismainlydiscussedinthepassage?A.Whathascausedtheglobalwarmingandwhetheritmatters.B.Whateffectsoftheglobalwarmingwillbe.C.Howserioustheglobalwarmingcouldbe.D.Whattheglobalwarmingis.Readingtips—skimthetitleandPara1:Title:THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Para1:…howhasthiscomeaboutanddoesitmatter?\nskimmingSkimthetexttogetthemainideaofthepassageandeachparagraph,thendividethewholepassageinto4partsandsummarisethemainideaofeachpart.\nMainideasofeachpartPart1(1)IntroduceadebateovertheissueofglobalwarmingPart2(2-3)Explanationabouthowglobalwarmingcomesabout.Part3(4-6)Analysisofdataandtwodifferentattitudesamongscientiststowardsglobalwarming.Part4(7)Twochoicesofdealingwiththisproblem.\nScanning1.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?2.Whatarethetwographsabout?\n1.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Somethinktheeffectswillbeterrible,whilesomeothersbelievethatweshouldnotworryaboutit.\nDetailedreading:(useyourownwords)NameIdeasaboutglobalwarmingDrJaniceFosterCharlesKeelingGeorgeHambley\nIdeasaboutglobalwarming1)Carbondioxidehascausedtheglobaltemperatureto__________.2)Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.DrJaniceFostergoupcatastropheveryserious\nIdeasaboutglobalwarmingGeorgeHambleyMorecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage__________________________.positiveproduceagreaterrangeofanimals\nIdeasaboutglobalwarmingCharlsKeelingThecarbondioxidecontentoftheatmospherewentupfrom315partstoaround370partspermillion.\nSomepeopleothersThesealevel_____________________.predict___________,__________,_______,______,_____________________,and____________________________.risesbyseveralmetresseverestormsdroughtsfaminesthespreadofdiseasesOtherpeople’sideafloodsthedisppearanceofspecies\nItshowsthatthetemperatureincreased_________Fahrenheitfrom1860to2000.2.Whatarethetwographsabout?onedegree\nThisgraphshowsthecarbondioxidecontentintheatmosphereincreased________(adv.)from1957to1997.steadily\nHowhastheglobalwarmingcomeabout?Para2—3①Humanactivity---burningoffossilfuels.②Greenhouseeffect---greenhousegases---weneedthosegases.③Hugequantitiesofextracarbondioxide---from1957to1997---fromaround315partspermilliontoaround370partspermillion.DetailedReading\nDoesglobalwarmingmatter?PositiveeffectsNegativeeffects\ncausethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebetter\nTrueorfalse?1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.TTF\n4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobalwarmingwillbe.TTF\nWhatisthepurposeoftheP1?Tointroducethetopic.Whatisthepurposeofthelastparagraph?----asaconclusionbyaskingthereadertoreflectonthemajorthemeofthetextandtopredictwhatmighthappeninthefuture.\nA:Weshalldosomethingaboutglobalwarming.B:Weshalldonothingaboutglobalwarming.DebateLanguagestudy\nUsefulphrases:1.(when)Comparedwith/to2.arapidincrease3.Thereisnodoubtthat…Thereisnosense/point(in)doingsth.Thereisnodenyingthat…Thereisnoneedtodo…4.anaturalphenomenon5.betrappedin…6.overthelast100years.7.ontheonehand…;ontheotherhand8.leadtoacatastrophea(wide/great)rangeof…amountainrange10.continuedoing/todo11.buildup12.evenif/eventhough13.asif/asthough14.keepon(doing)keepdoing15.glanceat与…比较常用(连词+)comparedwith/to表被动作状语快速上升毫无疑问…做某事没有意义不可否认…没有必要做…自然现象一方面…；另一方面导致大灾难继续做各种各样的/一系列逐渐建立/增强，增多，开发尽管/即使(引导让步状语从句)好像/似乎(引导表语从句或方式状语从句)(停歇后)继续(做)(不停地)一直做被困在…中/陷入…在过去的100年里(与现在完成时连用)山脉匆匆看一眼/扫视\nImportantlanguagepoints1.Sohowhasthiscomeaboutanddoesitmatter?(line4)那么，这种温度的增长是怎样产生的呢？会产生什么影响呢？Thissituationshouldnothavecomeabout.It’salready10o’clock.Iwonderhowitcameaboutthatshewastwohourslateonsuchashorttrip.归纳:comeabout发生,产生相当于happen。Howdoes/diditcomeaboutthat…？(it作形式主语)comeabout发生,产生（常与how连用）其它表“发生”的词汇：happen(偶然的，意外的事情)发生；还有“碰巧”之意occur(也指偶然)发生；还有“突然想到”之意takeplace（按计划）发生，举行breakout(战争,火灾,疾病等)爆发无被动\n翻译：1.这么多人感染了新冠状病毒这事是怎么发生的呢？2.新冠状病毒已在很多其他国家发生了。1.Howdiditcomeaboutthatsomanypeoplewereinfectedwiththenovelcoronavirus2.Thenovelcoronavirushasbrokenoutinmanyothercountries.\n2.Theproblembeginswhenweaddhugequantitiesofextracarbondioxideintotheatmosphere.(line32)Withoutquantitytherecanbenoquality.Policefounda(large)quantityof/largequantitiesofillegaldrugs.Thereisalargequantityofwineleft.Alargequantityofairconditionshavebeensoldsincethesummercame.Hugequantitiesofgoodsoilarebeingwashedawayeachyear.Thisproductischeaptoproduceinquantity.短语归纳__________________________________________________用法归纳___________________________________________—————————————————————a(large)quantityof=quantitiesof大量的(修饰名词)Inquantity大量地(修饰动词)aquantityof+n作主语时谓语单复数形式由of后n决定quantitiesof+n作主语时谓语动词一律用复数注意quality质量，品质ofhighquality高质量的填空题：largequantitiesofrice_____(be)soldatadiscountinthemarketyesterday.were\n3.itistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.(line2para.5)Theaccidentresultedinthreepeople’sbeingkilled.Theaccidentresultedinhisdeath.Hisdeathresultedfromtheaccident.归纳:resultin_____________________resultfrom___________________________________导致,造成=leadto/cause/bringabout/contributeto由…导致/引起=becausedby填空：Yesterdayanaccidenthappenedhere,_____________(result)inhisdeath.resulting\n4.…anywarmingwillbemildwithfewbadenvironmentalconsequence.(line45)很重要/不重要:———————————————————结果,因此:_____________________________________________________________________________因为,由于:_______________________________________________________________________________________asaconsequence/inconsequence/consequently/asaresultasaconsequenceof/inconsequenceof/asaresultof(结果,后果,影响,重要性)ofgreat/noconsequence用于写作：Weworkhardathomeeveryday.Asaconsequence,wehavegotalot.Thebigfirewentoutinconsequenceofaheavyrain\n根据括号内的提示将下列句子翻译成英语。他的粗鲁导致了孩子和他的争吵。(resultin)2.他们不知道这个变化是怎样产生的。(comeabout)3.邻居们让他们停止制造噪音,但他们仍然继续.(keepon)4.不用担心,我们已经储藏了很多食物。(quantitiesof)5.那个老人瞥了一下他的手表,然后看了看天空。(glanceat)6.一提到他的儿子，他往往很骄傲。（tendtodo）\n根据括号内的提示将下列句子翻译成英语。他的粗鲁导致了孩子和他的争吵。(resultin)2.他们不知道这个变化是怎样产生的。(comeabout)Theydidn’tknowhowthechangehadcome/cameabout.Hisrudenessresultedinthechild’squarrelingwithhim.\n3.邻居们让他们停止制造噪音,但他们仍然继续。(keepon)Theneighboursaskedthemtostopmakinganoise,buttheystillkepton.\n4.不用担心,我们已经储藏了很多食物。(quantitiesof)5.那个老人瞥了一下他的手表,然后看了看天空。(glanceat)6.一提到他的儿子，他往往表现出骄傲。（tendto）Once/Assoonas/Whensomeonementionedhisson,hetendedtofeel/beproud.Oncehissonismentioned,hetendstofeelproud.Don’tworry.Wehavestoredquantitiesoffoodalready.Theoldmanglancedathiswatchandthenlookedatthesky.\nGlobalwarminghasattractedtheworld’sattention,becauseitaffectsusandwillaffectourlatergenerations.Eventhoughwearenotsureabouttheeffectsofglobalwarming,weshouldstillhopeforthebest,preparefortheworst.Summary