选修六-Unit4-reading-公开课说课讲解

GlobalwarmingUnit4第一页，共23页。Theearthisbecomingwarmer-butdoesitmatter?第二页，共23页。

4.

Theaccumulationofsentence

patterns1.Featuresofthearticle2.ThemainideaandthedetailsofeachparagraphTeachingAims

3.Whatmethodsdidthewriterusetomakehisargumentmoreconvincing?第三页，共23页。twographs,(图表(túbiǎo)）themaintextintwocolumns,(栏）Thetitle-aquestion;,theparagraphonthetopinbold（粗体）,...FeaturesofthearticleWhereisthepassageprobablytakenfrom?A.atravelguide.B.asciencemagazine.C.Anewspaper.D.anadvertisementsection.第四页，共23页。Duringthe20thcenturythetemperatureoftheearthroseaboutonedegreeFahrenheit.Thatprobablydoesnotseemmuchtoyouormebutitisarapidincreasewhencomparedtoothernaturalchanges.Sohowhasthiscomeaboutanddoesitmatter?EarthCare’sSophieArmstrongexploresthesequestions.Topicsentence?Generallyspeaking,theparagraphonthetopisabrief___________tothepassage.ItiscalledEditor’sNroductionWhodoesmereferto?Ascientist.B.SophieArmstrong.C.Aneditor.

thetemperatureoftheearthroseaboutonedegreeFahrenheit.this编者按第五页，共23页。

Whatismainlydiscussedinthepassage?

A.Howserioustheglobalwarmingcouldbe.

B.Whateffectsoftheglobalwarmingwillbe.

C.Whathascausedtheglobalwarmingandwhetheritmatters.

D.Whattheglobalwarmingis.（2mins）Readingtips—skimthetitleandPara1:

Title:THEEARTHISBECOMINGWARMER–BUTDOESITMATTER?Para1:…howhasthiscomeaboutanddoesitmatter?happen第六页，共23页。Carefulreading第七页，共23页。Howhasthiscomeaboutanddoesitmatter?What’sthequestionthathasconfusedusalot?

Whowrotethemagazinearticle?What’sthenameofthemagazine?

SophieArmstrong.EarthCare.Readingtips:InEnglish,somenounsbeginwithacapitalletter(大写字母),suchasnamesofpeopleandplaces,titles(标题(biāotí))ofmagazines,newspapers,storiesandbooks,people’stitles(头衔),etc..PartIglobalwarming第八页，共23页。FromGraph1,wecanseethetemperatureoftheearth_______about____degreeFahrenheitfrom1860-2000.Thereisnodoubtthat________________________(seeGraph1)andthatitis____________thatcausedthisglobalwarming.Para1increased

theearthisbecomingwarmer.onehumanactivity第九页，共23页。Para2

Howdoeshumanactivitycausetheglobalwarming?

theburningoffossilfuelstoproduceenergygreenhousegasesatmospherelargequantitiesofextracarbondioxide(byproducts)goingupofglobaltemperature

Doescarbondioxidealwaysbringharmtotheearth?No.Itpreventstheearthfrombecomingtoocold.第十页，共23页。Para3-4FromGraph2,wecanseethecarbondioxideintheatmosphere___________________________________

Allthescientistsacceptthedataandagreethatitis_______________________________________thathasresultedinthisincreaseincarbondioxide.Howhighwillthetemperatureincreasego?wentupfrom315partstoaround370partspermilliontheburningofmoreandmorefossilfuelsAshighas5degrees第十一页，共23页。Para5Theattitudesofscientiststowardsthisrisearecompletelydifferent.Dr.JaniceFosterGeorgeHambleyThetrendwhichincreasesthetemperatureby5degreeswouldbeacatastropheWeshouldnotworryaboutthehighlevelsofcarbondioxide…negativepositive▲riseofsealevel▲storms▲floods▲droughts…▲plantsgrowquicker▲cropsproducemore▲agreaterrangeofanimals…ontheonehand,….ontheotherhand第十二页，共23页。Para6:Theauthorprobablyagreesthat______actuallyglobalwarmingisgoodforman.B.weshoulddonothingabouttheglobalwarming.C.catastropheswillhappeniftheglobekeepsonwarming.D.alotremainstobefoundoutabouttheeffectsofglobalwarming.Whatisthewriter’sattitudetowardstheeffectsofglobalwarming?A.positiveB.objectiveC.negative第十三页，共23页。

Whatmethodsdidthewriterusetomakehisargumentmoreconvincing?CharlesKeelingfoundthatbetweentheseyearsthecarbondioxideintheatmospherewentupfromaround315partstoaround370partspermillion.Dr.JaniceFosterexplains:“Thereisanaturalphenomenon….causingtheglobaltemperaturetogoup.”2graphSdatascientists’discoveriesquotesAllscientistssubscribetotheviewthattheincreaseinthe…agreewithscientists’opinion第十四页，共23页。句型积累第十五页，共23页。Thereisnodoubtthattheearthisbecomingwarmer(seeGraph1)andthatitishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.毫无疑问,全球正在变暖,而全球变暖是人为的,并不是随意的自然(zìrán)现象。(B6P26)句型(jùxínɡ)Thereisnodoubtthat...毫无疑问……第十六页，共23页。仿写根据汉语意思完成下列英语句子。⑴毫无疑问,庆祝圣诞节活动是一种了解西方(xīfāng)文化的好方式。____________________________thecelebrationforChristmasisagoodwayoflearningaboutwesterncultures.Thereisnodoubtthat第十七页，共23页。⑵毫无疑问,过多(ɡuòduō)的电脑游戏会对学生的健康有不良影响。_______________________thattoomanycomputergamescan__________________________________onstudents’health.haveabadeffect/influenceThereisnodoubt第十八页，共23页。2.Somebyproductsofthisprocessarecalled“greenhouse”gases,themostimportantoneofwhichiscarbondioxide.这个升温过程的一些副产品就叫做“温室”气体,其中最重要(zhòngyào)的是二氧化碳。(B6P26)句型(jùxínɡ)the+最高级+oneof+which/whois...其中最……的是……第十九页，共23页。仿写将下列(xiàliè)句子译成英文。⑴这里有很多的动画片,其中最受欢迎的是喜羊羊与灰太狼。Herearemanycartoons,____________________isHappySheepandGrayWolf.

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