高中英语-Book 6 Unit 4 Global Warming 袁静教学课件设计

Unit4GlobalWarming

ReadingTheEarthIsBecomingWarmer–ButDoesItMatter?1.消费；消耗；吃完2.胡乱的；任意的3.趋于；倾向;照顾vi4.后果；结果；影响5.陈述；说明6.种类；范围7.扫视8.平稳的；持续的9.分布广的；普遍的10.平均的consumerandomtendconsequencestaterangeglancesteadywidespreadaverage1.drought2.famine3.catastrophe4.flood5.methane6.graph7.Fahrenheit8.fossil9.fuel10.byproduct1.旱灾，干旱2.饥荒3.大灾难4.洪水；水灾5.甲烷6.图表；坐标图7.华氏的；华氏温度计8.化石；矿物9.燃料10.副产品Whowrotethemagazinearticle?Whatisthenameofthemagazine?Whatarethenamesofthethreescientistsmentionedinthearticle?Whatarethetwographsabout?Step2:FastReadingSophieArmstrong

1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?FastReading“Earthcare”.

2. Whatarethenamesofthethreescientistsmentionedinthearticle?Dr.JaniceFoster,CharlesKeelingandGeorgeHambley.

3.Whatarethetwographsabout?Graph1

showsthetemperature________byonedegreeFahrenheitfrom1860to2000.Graph2 isaboutthe_______________content(容量，含量)intheatmospherefrom1957to2000.increaseCarbondioxideStep3:StructureanalyzingThetextcanbedividedinto4parts,andchoosethemainideaofeachpart

part

MainideaPart1(Paragraph____)Part2(Paragraph___to____)Part3(Paragraph___)Part4(Paragraph___)Mainideas:a.

twodifferentattitudesamongscientiststowardsglobalwarmingb.Illustrate(阐述)

howglobalwarmingcomesaboutc.Nooneknowstheeffectsofglobalwarminginthefuture.d.Introduce

adebateovertheissue(话题)ofglobalwarming12567dbacStep4:Scanningforfurtherdetails

ReadthetextcarefullyagainthendothefollowingexercisesExercise1:(para2)Whatcausedtheglobalwarming?Findasentenceinthetexttosupportyouridea,andtranslateitintochinese.Itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.正是人类的活动才导致了全球变暖，并非是一种无规律的自然现象。Exercise2(para4)Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1997?A.DrJaniceFosterB.CharlesKeelingC.GeorgeHambleyD.SophieArmstrongExercise3:(para5)InthefollowingsentencetheunderlinedphrasemeansTheyalsoagreethatitistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.A.asaresultB.ledto

C.asaresultofD.resultedfrom

Dr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea____________andcouldbe______________...\catastrophe.pptMorecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourageagreaterrangeof________.goupcatastrophe

veryseriouspositiveproduce

animalsExercise4:(para6)Exercise5

(para7)Weknowthattheauthorprobablyagreesthat_______A.actuallyglobalwarmingisgoodforhumanbeingsB.weshoulddonothingaboutglobalwarmingC.catastropheswillhappeniftheglobekeepsonwarmingD.alotofthingsremaintobefoundoutabouttheeffectsofglobalwarmingStep5语法填空Accordingtothetextandgrammarrules,fillintheblanks

When________(compare)tomostnaturalchanges,thatthetemperatureoftheearthroseaboutonedegreeFahrenheitduringthe20thcenturyisquiteshocking.Andit’shumanactivity______hascausedthisglobalwarmingrather_____arandombutnaturalphenomenon.DrJaniceFosterexplainsthatweaddhuge_________ofextracarbondioxideintotheatmospherebyburningfossil______.Allscientistsbelievethattheburningofmoreandmorefossilfuels__________(result)intheincreaseincarbondioxide.Greenhousegasescontinuetobuildup.Ontheonehand,DrFosterthinksthatthetrendwouldbea_________.Ontheotherhand,GeorgeHambley_________(state)thatmorecarbondioxidewouldencourageagreaterrangeofanimalsandbringus_____betterlife.comparedthatthanquantitiesfuelshasresultedcatastrophestatesa