選修六unit 4 reading市公開(kāi)課一等獎(jiǎng)省課獲獎(jiǎng)?wù)n件

Unit4GlobalWarmingWarmingup&Reading第1頁(yè)Windmills(風(fēng)車),renewableSourceofenergy:

第2頁(yè)Acoalpowerstation,non-renewable第3頁(yè)An

oilrefinery(精煉廠),non-renewable第4頁(yè)Anuclearpowerplant,non-renewable第5頁(yè)Solarpanels(太陽(yáng)電池板),renewable第6頁(yè)Ahydro-electricdam,renewable第7頁(yè)Renewableornon-renewable?√第8頁(yè)Renewableornon-renewable?√第9頁(yè)Whatisglobalwarming?Whatcauseglobalwarming?第10頁(yè)Greenhouse第11頁(yè)1.Haveyoueverseenagreenhouse?ismadeofglassusedforgrowingplants,especiallyduringcoldweather.第12頁(yè)2.Howdoesthegreenhousework?第13頁(yè)Theairinsidewaswarmbecausetheglasstraps(擋住,吸取)theheatfromthesunandkeepsitfromescaping(逃跑).

Thismakesthegreenhouseheat

up(熱量上升)

andsotheplantscangrowThroughout(在……期間)thecoldperiod.第14頁(yè)第15頁(yè)第16頁(yè)The

Earth

Is

Becoming

Warmer

ButDoesItMatter?第17頁(yè)GlancequicklyatthemagazinearticleWhowrotethemagazinearticle?SophieArmstrong2)Whatisthenameofthemagazine?

EarthCare3)Makeadivisionofthetext.第18頁(yè)Mainideasofeachpart:Part1(1)Introduceadebateovertheissueofglobalwarming.raisingaquestionPart2(2-5)Howglobalwarmingcomesabout.giving

examples,usinggraphs,explanation

第19頁(yè)P(yáng)art3(6)Listtwodifferentattitudesamongscientiststowardsglobalwarming.Part3(7)It'suptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.givingexamples,makingcontrastleavingaquestion第20頁(yè)2.___________________________1.___________________Part2(2-5)How

globalwarmingcomesabout?theburningoffossilfuels

humanactivityCarbon

dioxideMethaneWhataretheGreenhousegases?1.2.3.Water

vapor

第21頁(yè)P(yáng)art3(6-7)Whataretheeffectsofglobalwarming?ariseinthesealevelSeverestorms,droughts,famines,thespreadofdiseases,andthedisappearanceofspeciesMakeplantsgrowfaster第22頁(yè)Whatdothethreescientiststhinkaboutglobalwarming?believesitistheburningofmoreandmorefossilfuelsthatisresultinginabigincreaseincarbondioxide.Dr.JaniceFosterGeorge

HambleyCharles

Keelingthinkstheeffectsofglobalwarmingcouldbeveryserious(嚴(yán)重).thinks

global

warming

willbemildwithfewbadenvironmentalconsequences.第23頁(yè)ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyDr.JaniceFoster

GeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea___________andcouldbe_____________.Morecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage______________________________.go

upcatastrophevery

seriouspositiveproduceagreaterrangeofanimals第24頁(yè)Whatarethetwographsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2023.Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1997.第25頁(yè)Trueorfalse?1.Thetemperatureinthelastcenturydidnotseemtoincreasemuch.2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3.JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature.TTF第26頁(yè)4.Theriseincarbondioxideiscausingasteadyincreaseinglobalwarming.5.GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth.6.Itisclearwhattheeffectsofglobal