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高中英语 Unit 6 Earth first Part Ⅲ Developing ideas教案 外研版必修第二册-外研版高一第二册英语教案VIP免费

高中英语 Unit 6 Earth first Part Ⅲ Developing ideas教案 外研版必修第二册-外研版高一第二册英语教案_第1页
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高中英语 Unit 6 Earth first Part Ⅲ Developing ideas教案 外研版必修第二册-外研版高一第二册英语教案_第2页
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高中英语 Unit 6 Earth first Part Ⅲ Developing ideas教案 外研版必修第二册-外研版高一第二册英语教案_第3页
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PartⅢDevelopingideasWhat’sreallygreen?Mostofusareaware(1)thatwemusttakecareoftheenvironment,andthemajorityofustakestepstosaveenergyandreducewasteandpollution.Butrecently,some“greentruths”havebeenshowntobeonlyhalftrue,orevencompletelyfalse.(2)Herearesomecommonones.Whicharereallygreen??Papershoppingbagsarebetterthanplasticones.Plasticbagscauselitterandareadangertowildanimals,whichmistakethemforfood.(3)Ittakeshundredsofyearsforplastictobreakdown,butmuchlesstimeforpaper.Becauseofthis,peoplethinkpaperbagsarethebetterenvironmentalchoice.However,(4)makingapaperbaguses(5)fourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.Theprocessalsoproducesmoregreenhousegases.Infact,bothkindsofbagsarebadfortheenvironment.So,takeareusablebagwithyouwhenyougoshopping.?Whenyouturnoffadevice,itstopsusingpower.Whenweturnoffadevice,suchastelevision,itgoesintostand-bymode.Devicesinthismodestillusepower,andolderdevicesinstand-bymodecanuseevenmore.Thishappens(6)becauseelectricitycontinuestoleakfromthedevice,evenwhenitisturned“off”.(7)Tomakesureyourapplianceisinfactoff,removetheplugfromitspowersupply.?Eatinglocalfoodisgoodfortheenvironment.Itseems(8)likecommonsense:eatinglocalfoodshouldbebetterfortheenvironment,becauseitdoesnotneedtobetransportedlongdistancesandkeptcoldduringtransport.Unfortunately,itisnotthatsimple.Itistheproductionoffood,notitstransport,(9)thatusesmostoftheenergyandproducesmostofthegreenhousegases.Insomecases,localproducemighthaveusedmoreenergyandproducedmoregreenhousegasesthanproduce(10)grownalongwayaway—eventakingintoaccountitstransport.?It’sbettertotakeashowerthanabath.Itdependson(11)howlongyouspendintheshowerandhowlargeyourbathis.Ifyouspendmorethaneightminutesinashower,you’lluseasmuchwaterasinabath—about50litresofwater.Therefore,thekeyis(12)tokeepyourshowertimeasshortaspossible.Environmentalawarenessisnowpartofdailylife.Butit’sworthcheckingcommonideasandopinionstosee(13)what’sreallygreen.(1)作表语的形容词后面带有宾语从句。(2)此处为主系表结构的倒装句。(3)it作形式主语,代替后面的不定式短语。(4)动名词短语makingapaperbag作主语。(5)倍数表达的固定句式。(6)本句because引导原因状语从句。(7)此处不定式作目的状语。(8)此处为介词短语作表语。(9)本句为强调句型。(10)此处为过去分词短语作定语。(11)在介词on后跟howlong引导的宾语从句。(12)此处为不定式短语作表语。(13)此处what引导宾语从句。①majorityn.多数,大多数(人或物)②takestepstodosth采取行动做某事③reducevt.减少④falseadj.不正确的,错误的⑤mistake...for把……误以为⑥breakdown出故障⑦amountn.数量,数额⑧turnoff关闭⑨devicen.设备,仪器,装置⑩stand-byadj.备用的⑪moden.(机器、设备的)运行方式,状态,模式⑫electricityn.电⑬leakv.(使)漏,(使)渗漏⑭appliancen.家用电器,家用器具⑮removev.移走,搬走,去掉⑯plugn.(电)插头⑰thatadv.那么地⑱insomecases在某些情况下⑲take...intoaccount把……考虑进去⑳takeashower淋浴○litren.升,公升○beworthdoing值得做某事StepⅠFactualreadingReadthetextcarefullyandchoosethebestanswer.1.Accordingtocommontruth,whenshopping,weshouldtake.A.aplasticbagB.apaperbagC.areusablebagD.acheapbag2.Whenyouturnoffadevice,itcan.A.cutoffelectricityB.protecttheapplianceC.savetoomuchenergyD.turnintostand-bymode3.Peoplechoosetoeatlocalfoodbecausetheythink.A.it’sconvenientB.itdoesn’tneedtransportationC.itusesmoreenergyD.itisgoodforenvironment4.Whethertakingashowerortakingabathisgreen...

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高中英语 Unit 6 Earth first Part Ⅲ Developing ideas教案 外研版必修第二册-外研版高一第二册英语教案

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