Unit3EnvironmentalProtectionReadingandThinking公开课课件高中英语人教版选择性

Unit3EnvironmentalProtectionReadingandThinkingenvironment[ɪnˈvaɪrənmənt]环境

environmental[ɪnˌvaɪrənˈmentl]

环境的protect

[prəˈtekt]保护v.protection[prəˈtekʃn]

保护n.CLIMATECHANGEREQUIRESTHEWORLD’SATTENTIONReadingandThinking

climate[ˈklaɪmət]

气候require[rɪˈkwaɪə(r)]需要attention[əˈtenʃn]注意Lookanddiscuss1.What’shappening(发生)inthephoto?2.Whydidithappen?Theiceismelting.Globalwarming全球变暖melt[melt]融化ThinkanddiscussWhatconsequences后果mayglobalwarming/climatechangebringabout引起?↑↑

consequence[ˈkɒnsɪkwəns]后果

ThinkanddiscussWhatconsequences后果mayglobalwarming/climatechangebringabout引起?flood[flʌd]水灾storm[stɔːm]风暴sealevelrise海平面上升heatwave[hiːtweɪv]热浪unpredictable/ˌʌnprɪˈdɪktəbl/无法预测的futureofhumanThinkanddiscuss↑↑Whatdidhappentothepenguins?penguin/ˈpeŋɡwɪn/企鹅Thinkanddiscuss↑↑

polarbear北极熊Whatdidhappentothepolarbear?Whatinformation信息canwegetfromthegraph/ɡrɑːf/图表?Temperature[ˈtemprətʃə(r)]气温Anomaly(n.异常)TheEarthisgettingwarmerandwarmer.地球变得越来越暖。地球表面温度Part1:

aphenomenon[fəˈnɒmɪnən]

现象

acase实例Part2:causes原因Part3:effects影响Part4:solutions解决办法While-readingFindoutthetopicsentenceofeachPara.togetthemainidea.Q1.What'sthetypeofthistext?

A.

Newsreport新闻报道.

B.

Biography传记.

C.

Expositoryessay说明文.

D.

Argumentation议论文.Thenanswerthequestion:Thedevelopmentofanexpositoryessay说明文.problemexamplereasonsinfluencessolutionsphenomenoncauseeffectsolution[ɪkˈspɒzɪtərɪ]Expositorywriting本文按照“现象—原因—危害—措施”的逻辑顺序展开，环环相扣，步步深入。标题ClimateChangeRequirestheWorld’sAttention点明了作者的诉求：气候变化对地球生态系统的影响是巨大的，需要全人类共同关注和面对。文本以现在时态和将来时态为主，强调文章的现实意义及对将来不利后果的预测。Para1:Whatistheproblemaboutclimatechange?Readandfillintheblanks.The________isgettingwarmerandwarmer.Evidence1:_______________________________Evidence2:______________Evidence3:___________________EarthaoceanandatmosphereicesealevelsclimatechangewarmingmeltingrisingPara.2:AcaseofclimatechangeE.climatechange气候变化B.

starvation饥饿C.

longerfood-seekingtravel更远的觅食路程D.lackoffood缺少食物A.

low

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

Whatistherootcause?ReadPara3.

andfindinformationabout“greenhouseeffect温室效应”.__________greenhouseeffect_________greenhouseeffectcausingEarth’ssurfacetemperature______________iftoomuchheatenergyis_______keepingEarth’sclimate_______and__________natural自然的man-made人造的warmhabitable[ˈhæbɪtəbl]适合居住的torisequicklytrapped被困TipsofPara.3:useadiagramtodescribehowthegreenhouseeffectworks.Heatreleasedbackintospace热量被释放回太空HeatreflectedbacktoEarth’ssurface热量被反射回地球表面Reflectedsunlight反射阳光Atmosphere大气层Sunlight太阳光

ReadPara.4andmarktrue(T)orfalse(F).1.Theriseintemperatureleadsto导致extremeweather(极端天气)andnaturaldisaters(自然灾害).2.Heatwaves(热浪)arenotextremeweather.3.Extremerainstormsandheatwavescauseddeaths(死亡)andeconomiclosses(经济损失)TFTPara5.:Readandanswerthequestion:Whatsolutions(解决办法)mentioned(提到)inthetexttodealwith(处理)theclimatechange?

A.

Governments(政府)make

policies(政策).

B.Governmentstake

appropriate

actions

and

measures.

C.Individuals(个人)

reduce(减少)

our

“carbon

footprint”(碳足迹).

D.Alloftheabove以上都是.policy[ˈpɒləsi]政策Climatechange

Problem问题Solutions措施Causes

原因Effects

危害Phenomenon[fəˈnɒmɪnən]现象casenaturalextremeweathergovernmentman-madenaturaldisastersindividuals(Para.1-2)(Para.3)(Para.4)(Para.5)greenhouseeffectSummary告诉呼吁鼓舞Earthprovides(提供)enoughtosatisfy(满足)everyman’sneeds,butnoteveryman’sgreed(贪婪).-----MohandasK.Gandhi地球能满足每个人的需要，但不能满足每个人的贪婪。Humansburnfossilfuels人类燃烧化石燃料likecoal,naturalgasandoiltoproduceenergy,alongwithsomebyproductscalledgreenhousegaseslikecarbondioxideCO₂,methaneandwatervapourwhichtrapheatfromthesunandthereforewarmtheearth.Sortthegarbage分类垃圾Avoidproductswithalotofpackaging

避免过度包装Valuetheexistingnaturalresourceslikeforests

重视森林等现有自然资源Endwastingresources不浪费资源Encourageotherstoconserve

鼓励他人节约Adjustourlifestyle

调整我们的生活方式Reduce,reuse,recycle

减少、重复使用、回收Turnoffelectricdeviceswhentheyarenotinuse

不使用时关闭电气设备Helpinformpeopleofthedangerofglobalwarming帮助人们了解全球变暖的危险...plantmoretreesLet’s...together.TakethestairsinsteadofelevatorGotoschoolby