福建省2012高中英语一轮总复习 part1 unit4 global warming课件 新人教版选修6.ppt

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1、6导读：很多科学家认为全球变暖是由人类活动造成的，由于人们焚烧化石矿物或砍伐并焚烧森林，产生了二氧化碳等多种温室气体，导致全球气候变暖。因此，我们究竟应该为此做些什么呢？Task：Whatcanwedotoprotecttheearthfrombeingbadtoworse?Globalwarmingisagrowingproblemintheworld.Meltingice－capsintheArcticandAntarctica,risingtemperaturesacrossthecontinents,increasingnumberoftyphoonsandtrop

2、icalstormsarejustsomeoftheeffectsofglobalwarming.Itmustberealisedthathumansactivitiesarethecausesofglobalwarming.Itisthereforeourdutytosavetheearth.Wecanbeginbyminimizingtheamountofcarbondioxidebytakingpublictransportinsteadofdrivingandusingenergy－efficientelectricalappliances.Besides,theg

3、overnmentcanprobablylimitthenumberofcarsallowedontheroadsbyimposingfinesonoffendersandimprovingpublictransportsystems.Moretreescanbeplantedtoo.Educationtoprotecttheenvironmentshouldalsobeplanned.CountriesaroundtheworldcanholdmeetingsandconferencesanddecidethestepstotaketolimittheCO2levels.

4、Economicsanctionscanalsobeimposedoncountriesthathaveviolatedtherules.TheKyotoProtocolisonesuchexample.Itisimportanttocuretheworld,forthesakeofourselvesandourdescendants.Wehavetotakeactionnow.请根据语义及提示写出单词1.Cherworkwithhis,you'llfindhersismuchbetter.2.Largeqofair－conditionershavebeensoldsinc

5、ethetemperatureishigh.3.Shewastremblingwithexcitementbuthervoicewass.4.Theunemploymentproblemisoneofsocial__________(现象)．5.NewZealandhasamildseac，whilethenorthissubtropical.6.Heworksmorethan10hourseverydayona.7.ScientiststhinkthattheArcticisendangeredby__________(污染)．8.Weoughttolearnmoreab

6、outourbodyandthef(养分)itneedstokeepfit.9.Awmisunderstandingisthatscienceisabout“true”factsthatneverchange.10.Thereisanincreasingtforwomentohavechildrenlaterinlife.11.Itrusthisabilitya(完全地)．12.Itisnotapdiamondnecklacebutavaluelessone.1.Comparing2.quantities3.steady4.phenomena5.climate6.avera

7、ge7.pollution8.fuel9.widespread10.tendency11.absolutely12.precious请根据语义写出短语1.takeit____________轻松，不紧张2.runout____________用完3.make____________of构成4.in____________尤其；特别5.make____________有道理；讲得通6.____________feelings传达情感7.stay____________熬夜8.let____________泄露1.ea