新人教选修六-Unit-4-Global-warming-Reading[课件]教学文案.ppt

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1、新人教选修六-Unit-4-Global-warming-Reading[课件]coalWaterpowerFossiloilpetrolSolarenergyWindpowerWindmill风车undergroundheat地热大亚湾核电站NuclearenergyWhichsourceiscleanerorhealthier?Whichsourceis“renewable”?Discussion:Coaloilwindsunnuclearwaterundergroundheat√√√√√√√√Doy

2、ouknowwhatitis?Agreenhouse!Whatisitusedfor?Pre-reading:Whatkeepstheearthwarm?Theearth’satmosphereWhathappentoourairnowadays?Fastreading:★Whowrotethearticle?What‘sthenameofthemagazine?★Whatarethenamesofthethreescientistsmentionedinthearticle?★Whatarethetwo

3、graphsabout?★Dividethepassageintofourpartsandwritedownthemainideaofeachpart?(pairwork)Fastreading:★Whowrotethearticle?What‘sthenameofthemagazine?★Whatarethenamesofthethreescientistsmentionedinthearticle?★Whatarethetwographsabout?SophieArmstrong.EarthCare关

4、爱地球.DrJaniceFoster,CharlesKeeling,GeorgeHambley.ThefirstgraphshowsthetemperatureincreasedbyonedegreeFahrenheitbetween1860and2000;Thesecondshowsthecarbondioxidecontentincreasedfrom1957to1997.MainideasofeachpartPart1(1)Thebackgroundofthisarticle.Part2(2-5)E

5、xplanationabouthowglobalwarmingcomesabout.Part3(6)Twodifferentattitudesamongscientiststowardsglobalwarming.Part4(7)Twochoicesofdealingwiththisproblem.Detailedreading:(useyourownwords)NameIdeasaboutglobalwarmingDrJaniceFosterCharlesKeelingGeorgeHambleyIdea

6、saboutglobalwarming1)Carbondioxidehascausedtheglobaltemperatureto__________.2)Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.DrJaniceFostergoupcatastropheveryseriousIdeasaboutglobalwarmingGeorgeHambleyMorecarbondioxideisa__________thing

7、,whichmakescrops__________moreandwillencourage______________________________.positiveproduceagreaterrangeofanimalsIdeasaboutglobalwarmingCharlsKeelingThecarbondioxidecontentoftheatmospherewentupfrom315partstoaround370partspermillion.Finishcomprehendingexe

8、rcise2!Checktheanswers:Comprehending:TTFTTFWhataretheeffectofglobalwarming?Thesealeveltorise海水上涨Severestorms风暴Droughts干旱Famines饥荒Thespreadofdisease疫病Thedistinctionofspecies物种毁灭negativeeffect消极作用Whataretheeffectofglo