Unit 3 Environmental Protection Reading and Thinking课件高中英语人教版（2019）选择性必修第三册.pptx

UNIT3

EnvironmentalProtectionEarthprovidesenoughtosatisfyeveryman’sneeds,butnoteveryman’sgreed.—MohandasK.Gandhi地球能满足人类的需要，但满足不了人类的贪婪。

1.Whatcanyouseeinthepicture?2.Whatisthecauseofthisphenomenon?Alargepieceoficebreakingoffalargeglacieroricesheet.GlobalwarmingStep1.Lead-in

theriseofsealeveldyinganimalscoastalcitiessubmerged

naturaldisastersextremeweathereconomiclosses

ReadingandthinkingClimateChangeRequiresTheWorld’sAttention

Whatisthegraphabout?Whatinformationcanyougetfromit?What`stheauthor‘spurposeofusingthegraphandthephoto?Pre-reading

oWhatinformationcanwegetfromthegraph?ThegraphshowsthechangeintheGlobalSurfaceTemperaturebetween1920and2016.TemperatureAnomaly(n.异常)TheGlobalSurfacetemperatureisabnormalandrising.

Whatcanyouseeinthephoto?Whatmightbethestorybehindit?Thepolarbear(北极熊)maydiedforlackingfood.skinandbones瘦得皮包骨

1.Whatsthetypeofthistext?A.EssayB.BiographyC.Exposition.D.Argumentation.2.Whatsitspurpose?ToinformreaderstodealwithclimatechangeTopersuadereaderstofocusonlimitedresourcesTotellreaderssomepolarbearsaredyingofstarvation.Totellreaderswhatthegreenhouseeffectis.3.Inwhichpartofanewspaperormagazinemaywefindthispassage?A.EntertainmentB.EconomyC.EducationD.EnvironmentSkimming本文是一篇说明文。说明文是客观说明事物的一种文体，以解说或介绍事物的形状、性质、成因、构造、功用、类别等为主要内容。说明文主要通过对客观事物或事理的介绍说明，达到以知识教人的目的，因此说明文以客观、准确为基本要求，强调科学性和客观性。

While-reading:readforthestructureandmainideaPart1:(para.1-2)Part2:(para.3)Part3:(para.4)Part4:(para.5)TheevidenceofdramaticclimatechangethathadanimpactonEarth’secologyThecausesoftheincreaseintheglobalaveragesurfacetemperatureTheconsequencesoftheriseintemperatureThesolutionstoreducinggreenhousegasemissionsMatchthemainideawitheachpart.

ReadforstructureFin