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Unit4GlobalwarmingTheearthisbecomingwarmer- butdoesitmatter?Wedependonenergytodomanythingsinourdailylives.Canyoumakealistofsourcesofenergy?Warmingup:coalWaterpowerFossiloilpetrolSolarenergyWindpowerWindmill風(fēng)車(chē)undergroundheat地?zé)?/p>

大亞灣核電站NuclearenergyWhichsourceiscleanerorhealthier?Whichsourceis“renewable”?Discussion:Coaloilwindsunnuclearwaterunderground heat√√√√√√√√Doyouknowwhatitis?Agreenhouse!Whatisitusedfor?Pre-reading:Whatkeepstheearthwarm?Theearth’satmosphereWhathappentoourairnowadays?Fastreading:★Whowrotethearticle?What‘sthenameofthemagazine?★Whatarethenamesofthethreescientistsmentionedinthearticle?★Whatarethetwographsabout?★Dividethepassageintofourpartsandwritedownthemainideaofeachpart?(pairwork)Fastreading:★Whowrotethearticle?What‘sthenameofthemagazine?★Whatarethenamesofthe

threescientistsmentionedinthearticle?★Whatarethetwographsabout?SophieArmstrong.EarthCare關(guān)愛(ài)地球.DrJaniceFoster,CharlesKeeling,GeorgeHambley.ThefirstgraphshowsthetemperatureincreasedbyonedegreeFahrenheitbetween1860and2000;Thesecondshowsthecarbondioxidecontentincreasedfrom1957to1997.MainideasofeachpartPart1(1)Thebackgroundofthisarticle.Part2(2-5)Explanationabouthowglobalwarmingcomesabout.Part3(6)Twodifferentattitudesamongscientiststowardsglobalwarming.Part4(7)Twochoicesofdealingwiththisproblem.Detailedreading:(useyourownwords)NameIdeasaboutglobalwarmingDrJaniceFosterCharlesKeelingGeorgeHambleyIdeasaboutglobalwarming1)Carbondioxidehascausedtheglobaltemperatureto__________.2)Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.DrJaniceFostergo

upcatastrophevery

seriousIdeasaboutglobalwarmingGeorgeHambleyMorecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage______________________________.positiveproduceagreaterrangeofanimalsIdeasaboutglobalwarmingCharlsKeelingThecarbondioxidecontentoftheatmospherewentupfrom315partstoaround370partspermillion.Finishcomprehendingexercise2!Checktheanswers:Comprehending:TTFTTFWhataretheeffectofglobalwarming?Thesealeveltorise海水上漲Severestorms風(fēng)暴Droughts干旱Famines饑荒Thespreadofdisease疫病Thedistinctionofspecies物種毀滅negativeeffect消極作用WhataretheeffectofglobalwarmingMakeplantsgrowfasterCropswillproducemoreEncourageagreaterrangeofanimals促使動(dòng)物種群的豐富positiveeffect積極作用Afterwelearnthearticle,youarerequiredtoanswerthequestions:Whatisg

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