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Unit3EnvironmentalProtection
ReadingandThinking
Climatechangerequirestheworld'sattention
課型:新授課課時:2課時
班級:姓名:小組:
【學(xué)習(xí)目標(biāo)】
leachingObjectives:
1.Toexplaincausesandnegativeeffectsofglobalwarming
2.Torealizetheimportanceofcuttinggreenhousegasesandtakeeffectiveaction
todoit
3.Tolearntoidentifythestyleofthistextandinferthewriter'spurpose
I.了解感知
1.Whatcausestheclimatechange?
2.Whatarethesolutionstostopclimatechange?
II.深入學(xué)習(xí)
Step1Pre-reading
Task1.Readthepicturesandanswersomequestions:
①Whatisthegraphabout?Whatinformationcanyougetfromit?
(2)Whathappenedinthepicture?Doyouknowwhatcausedit?
Task2.根據(jù)課文內(nèi)容選擇正確答案
①Whattypeofwritingisthispassage?
A.ArgumentativewritingB.Narrativewriting
C.ExpositorywritingD.Advertisingwriting
②Inwhichpartofanewspaperormagazinemaywefindthispassage?
A.EntertainmentB.Economy
C.EducationD.Environment
Task3.Readthetextandsumupthemainideaofeachparagraph
Paral:Globalclimateis.
Para2:Anaboutabearstarvedtodeath
Para3:Whatiscausingtheincreaseintheglobal
temperature
Para4:Theoftheriseintemperatureandthewarning
Para5:Furtherpossiblechangestotheandourduty
Step2.Whilereading
Task1.Structure
PartPara.Mainidea
11-2The_____________ofdramaticclimatechangethathadanimpac
onEarth'secology
23The___________oftheincreaseintheglobalaveragesurfac
temperature
34
The__________oftheriseintemperature
45
The____________toreducinggreenhousegasemissions
Part1Evidence
1.Whathappenedtothepolarbearinthephoto?Whydidthewriterwriteabout
it?
/Thepolarbearinthephoto.
/Becauseitshowedoneoftheeffectsofdueto
climatechange.
2.Canyouuseyourwordstodescribehowclimatechangehaveinfluencedthe
polarbear'slife?
Climatechangebearscouldnothuntha
totravelgreaterdistancestofindfoodstarvedtodeathitsdead
bodyfound
Part2Cause
1.Whyisthe“natural“greenhouseeffectimportantandnecessary?
The“natural“greenhouseeffectisimportantbecause
2.theconsequencesofhighgreenhousegas:
3.Figureoutthereasonwhyearth'stemperaturerising.
Part3consequences
1.Theconsequencesofglobaltemperaturerise:
Y
2.Whydidtheauthormentiontheclimatescientists9warning?
Theauthormentionedtheclimatescientist'swarningbecauseitisessentialthat
weanditneedstobebroughtto
3.Whatistheauthor'spurposeofwritingthistext?
Part4solutions
Asindividuals,whatcanwedoinourdailylifetohelptominimizeclimate
change?
Step3.Post-reading
Choosetherightitemfromtheboxtomakethesummarycomplete.Change
theformwhennecessary.
Starve,natural,ecology,naturaldisaster,carbonfootprint,fossilfuel
Warmingoceans,meltingiceandrisingsealevelsproveclimatechangeis
happening.ItsshockingimpactonEarth's1.couldbeseenina2013
photoofapolarbearontheNorway'sArcticislandofSvalbardthathad2.
todeath.Unabletohuntsealsasbefore,scientistsconcludedlowsea-
icelevelsduetoclimatechangehadforcedittotravellongdistancestofindfood.
Whenexplainingclimatechange'scauses,scientistsoftentalkabouttwotypes
of“greenhouseeffect"—"3."and"man-made."Asthesunwarms
earth,greenhousegasesintheatmospheresuchasmethaneandcarbondioxide
trapsomeheatin,makingEarthwarmenoughtoliveon.Extraman-made
greenhousegasesfromburning4.trapevenmoreheatinthe
atmosphere,leadingtoextremeweatherand5..Scientists
warnofmoredisasterstocomeifthisman-madeglobalwarmingisnotstopped.
Bothgovernmentandindividualactionsarer
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