Unit3EnvironmentalProtectionReadingandThinking公開課課件高中英語人教版選擇性

Unit3EnvironmentalProtectionReadingandThinkingenvironment[?n?va?r?nm?nt]環(huán)境

environmental[?n?va?r?n?mentl]

環(huán)境的protect

[pr??tekt]保護(hù)v.protection[pr??tek?n]

保護(hù)n.CLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONReadingandThinking

climate[?kla?m?t]

氣候require[r??kwa??(r)]需要attention[??ten?n]注意Lookanddiscuss1.What’shappening(發(fā)生)inthephoto?2.Whydidithappen?Theiceismelting.Globalwarming全球變暖melt[melt]融化ThinkanddiscussWhatconsequences后果mayglobalwarming/climatechangebringabout引起?↑↑

consequence[?k?ns?kw?ns]后果

ThinkanddiscussWhatconsequences后果mayglobalwarming/climatechangebringabout引起?flood[fl?d]水災(zāi)storm[st??m]風(fēng)暴sealevelrise海平面上升heatwave[hi?twe?v]熱浪unpredictable/??npr??d?kt?bl/無法預(yù)測的futureofhumanThinkanddiscuss↑↑Whatdidhappentothepenguins?penguin/?pe?ɡw?n/企鵝Thinkanddiscuss↑↑

polarbear北極熊Whatdidhappentothepolarbear?Whatinformation信息canwegetfromthegraph/ɡrɑ?f/圖表?Temperature[?tempr?t??(r)]氣溫Anomaly(n.異常)TheEarthisgettingwarmerandwarmer.地球變得越來越暖。地球表面溫度Part1:

aphenomenon[f??n?m?n?n]

現(xiàn)象

acase實(shí)例Part2:causes原因Part3:effects影響Part4:solutions解決辦法While-readingFindoutthetopicsentenceofeachPara.togetthemainidea.Q1.What'sthetypeofthistext?

A.

Newsreport新聞報(bào)道.

B.

Biography傳記.

C.

Expositoryessay說明文.

D.

Argumentation議論文.Thenanswerthequestion:Thedevelopmentofanexpositoryessay說明文.problemexamplereasonsinfluencessolutionsphenomenoncauseeffectsolution[?k?sp?z?t?r?]Expositorywriting本文按照“現(xiàn)象—原因—危害—措施”的邏輯順序展開，環(huán)環(huán)相扣，步步深入。標(biāo)題ClimateChangeRequirestheWorld’sAttention點(diǎn)明了作者的訴求：氣候變化對地球生態(tài)系統(tǒng)的影響是巨大的，需要全人類共同關(guān)注和面對。文本以現(xiàn)在時(shí)態(tài)和將來時(shí)態(tài)為主，強(qiáng)調(diào)文章的現(xiàn)實(shí)意義及對將來不利后果的預(yù)測。Para1:Whatistheproblemaboutclimatechange?Readandfillintheblanks.The________isgettingwarmerandwarmer.Evidence1:_______________________________Evidence2:______________Evidence3:___________________EarthaoceanandatmosphereicesealevelsclimatechangewarmingmeltingrisingPara.2:AcaseofclimatechangeE.climatechange氣候變化B.

starvation饑餓C.

longerfood-seekingtravel更遠(yuǎn)的覓食路程D.lackoffood缺少食物A.

low

sea-icelevel低海冰水位Thefollowingreasonsaccountforthedeathofthepolarbear,withoneinfluencinganother.Puttheminacorrectlogicalorder排序.

Whatistherootcause?ReadPara3.

andfindinformationabout“greenhouseeffect溫室效應(yīng)”.__________greenhouseeffect_________greenhouseeffectcausingEarth’ssurfacetemperature______________iftoomuchheatenergyis_______keepingEarth’sclimate_______and__________natural自然的man-made人造的warmhabitable[?h?b?t?bl]適合居住的torisequicklytrapped被困TipsofPara.3:useadiagramtodescribehowthegreenhouseeffectworks.Heatreleasedbackintospace熱量被釋放回太空HeatreflectedbacktoEarth’ssurface熱量被反射回地球表面Reflectedsunlight反射陽光Atmosphere大氣層Sunlight太陽光

ReadPara.4andmarktrue(T)orfalse(F).1.Theriseintemperatureleadsto導(dǎo)致extremeweather(極端天氣)andnaturaldisaters(自然災(zāi)害).2.Heatwaves(熱浪)arenotextremeweather.3.Extremerainstormsandheatwavescauseddeaths(死亡)andeconomiclosses(經(jīng)濟(jì)損失)TFTPara5.:Readandanswerthequestion:Whatsolutions(解決辦法)mentioned(提到)inthetexttodealwith(處理)theclimatechange?

A.

Governments(政府)make

policies(政策).

B.Governmentstake

appropriate

actions

and

measures.

C.Individuals(個(gè)人)

reduce(減少)

our

“carbon

footprint”(碳足跡).

D.Alloftheabove以上都是.policy[?p?l?si]政策Climatechange

Problem問題Solutions措施Causes

原因Effects

危害Phenomenon[f??n?m?n?n]現(xiàn)象casenaturalextremeweathergovernmentman-madenaturaldisastersindividuals(Para.1-2)(Para.3)(Para.4)(Para.5)greenhouseeffectSummary告訴呼吁鼓舞Earthprovides(提供)enoughtosatisfy(滿足)everyman’sneeds,butnoteveryman’sgreed(貪婪).-----MohandasK.Gandhi地球能滿足每個(gè)人的需要，但不能滿足每個(gè)人的貪婪。Humansburnfossilfuels人類燃燒化石燃料likecoal,naturalgasandoiltoproduceenergy,alongwithsomebyproductscalledgreenhousegaseslikecarbondioxideCO?,methaneandwatervapourwhichtrapheatfromthesunandthereforewarmtheearth.Sortthegarbage分類垃圾Avoidproductswithalotofpackaging

避免過度包裝Valuetheexistingnaturalresourceslikeforests

重視森林等現(xiàn)有自然資源Endwastingresources不浪費(fèi)資源Encourageotherstoconserve

鼓勵(lì)他人節(jié)約Adjustourlifestyle

調(diào)整我們的生活方式Reduce,reuse,recycle

減少、重復(fù)使用、回收Turnoffelectricdeviceswhentheyarenotinuse

不使用時(shí)關(guān)閉電氣設(shè)備Helpinformpeopleofthedangerofglobalwarming幫助人們了解全球變暖的危險(xiǎn)...plantmoretreesLet’s...together.TakethestairsinsteadofelevatorGotoschoolby