2012高考英语一轮复习同步攻关 Unit 4 Global warming学案 选修6.doc

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1、Unit4Globalwarming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,increa

2、singnumberoftyphoonsandtropicalstormsarejustsomeoftheeffectsofglobalwarming.Itmustberealisedthathumansactivitiesarethecausesofglobalwarming.Itisthereforeourdutytosavetheearth.Wecanbeginbyminimizingtheamountofcarbondioxidebytakingpublictransportinsteadofdrivingandusingenergy－effic

3、ientelectricalappliances.Besides,thegovernmentcanprobablylimitthenumberofcarsallowedontheroadsbyimposingfinesonoffendersandimprovingpublictransportsystems.Moretreescanbeplantedtoo.Educationtoprotecttheenvironmentshouldalsobeplanned.Countriesaroundtheworldcanholdmeetingsandconfere

4、ncesanddecidethestepstotaketolimittheCO2levels.Economicsanctionscanalsobeimposedoncountriesthathaveviolatedtherules.TheKyotoProtocolisonesuchexample.Itisimportanttocuretheworld,forthesakeofourselvesandourdescendants.Wehavetotakeactionnow.请根据语义及提示写出单词　1.Cherworkwithhis,you'llfindh

5、ersismuchbetter.　2.Largeqofair－conditionershavebeensoldsincethetemperatureishigh.　3.Shewastremblingwithexcitementbuthervoicewass.　4.Theunemploymentproblemisoneofsocial__________(现象)．5.NewZealandhasamildseac，whilethenorthissubtropical.13用心爱心专心　6.Heworksmorethan10hourseverydayona.　

6、7.ScientiststhinkthattheArcticisendangeredby__________(污染)．　8.Weoughttolearnmoreaboutourbodyandthef(养分)itneedstokeepfit.9.Awmisunderstandingisthatscienceisabout“true”factsthatneverchange.10.Thereisanincreasingtforwomentohavechildrenlaterinlife.11.Itrusthisabilitya(完全地)．12.Itisnot

7、apdiamondnecklacebutavaluelessone.1.Comparing　2.quantities　3.steady　4.phenomena　5.climate　6.average　7.pollution　8.fuel　9.widespread　10.tendency　11.absolutely　12.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_____

8、_______有道理；讲得通6.____________feelings传达情感