沪教版七年级下册英语Unit6 Electricity家用电器读前预习课件（可编辑完整版）

主题范畴：人与自然；人与社会主题群：环境保护；科学与技术子主题：环境污染及原因，环保意识和行为；科学技术与工程，人类发明与创造Section1BeforeyoureadelectricityWhatelectricalappliancesdoyouuseeveryday?Wheredoeselectricitycomefrom?Iselectricitydangerous?[ɪˈlektrɪk(ə)ləpˈlaɪənsɪz]电器设备LeadinFirstthoughtschargeourmobilephones,watchTV,cookmeals,taketheliftDon'ttouchwethandstotheswitch.Callanelectricianifthereisaproblem.Itcomesfrompowerstations.Turnoffthelightswhenleavingaroom.Useenergy-savinglightbulbs.Unplugchargerswhennotinuse.lightningalightbulbbatteries/ˈlaɪtnɪŋ/n.闪电/bʌlb/n.灯泡/ˈbætəri/n.电池Let'smatch(1)Whichofthefollowingcanbefoundinnature?Whichisman-made?Whatdothepictureshaveincommon?有相同的特征（或特点等）在大自然/ˌmænˈmeɪd/adj.人造的______________/ˈlaɪtnɪŋ/isfoundinnature.______________/bʌlb/and______________/ˈbætəri/areman-made.Theyallhavesomethingtodowith__________[ɪˌlekˈtrɪsəti].BeforeyoureadElectricitySort:InNaturevs.Man-madewindpowerwaterpowersolarpower水能风能太阳能

[ˈpaʊə(r)]Let'smatch（2）Belowarethreedifferentwaysofproducingelectricity.Writethecorrectphrasesintheblanks.windpowerwaterpowersolarpowerBeforeyoureadFillintheblankswiththecorrectwords.Electricityisallaroundus.Someelectricitycomesfromnature,like___________inthesky.Someareman-made,suchas___________thatlightsupourroomsor___________thatpowerourtoys.Wecanalsoproduceelectricityingreenways.___________usessunlighttomakeelectricity,___________usestheenergyofflowingwater,and___________usesthewindtogenerateelectricity.Alltheseformsofelectricitymakeourliveseasierandmorecolorful!lightningalightbulbbatteriessolarpowerwaterpowerwindpowerlightningalightbulbbatteriesSolarpowerwaterpowerwindpowerDiscussinpairswhyelectricityisimportantinourdailylives.Whydoyouthinkelectricityisimportanttous?Becauseelectricitymakesourliveseasier.Canyougiveanexample?Airconditionerskeepourhomescoolinsummer.Theyrunonelectricity.你为什么认为……？运转make+sb./sth.+adj.keep+sb./sth.+adj.BeforeyoureadRole-playScene1:EntertainmentTimeintheLivingRoom关键词：电视、电脑、电灯、l明亮、娱乐适用词汇：TVs,computers,lights,giveuslight,bright,entertainmentA:Whydoyouthink______isimportanttous?B:Because______makesourlives______.A:Canyougiveanexample?B:Sure.______keep/make______.Theycan_______.Theyrunonelectricity.A:That'sagoodpoint.Ialsothinkelectricitykeepsus______.B:Howso?Canyouexplain?A:Well,a______keep______.Theyrunonelectricity.Scene2:BedroomonaHotSummerDay关键词：空调、电风扇、凉爽、舒适适用词汇：airconditioners,electricfans,cool,comfortableRole-playA:Whydoyouthink______isimportanttous?B:Because______makesourlives______.A:Canyougiveanexample?B:Sure.______keep/make______.Theycan_______.Theyrunonelectricity.A:That'sagoodpoint.Ialsothinkelectricitykeepsus______.B:Howso?Canyouexplain?A:Well,a______keep______.Theyrunonelectricity.Role-play关键词：冰箱、洗衣机、新鲜、省力适用词汇：fridges,washingmachines,fresh,savetimeandeffortScene3:BusyKitchenandLaundryRoomA:Whydoyouthink______isimportanttous?B:Because______makesourlives______.A:Canyougiveanexample?B:Sure.______keep/make______.Theycan_______.Theyrunonelectricity.A:That'sagoodpoint.Ialsothinkelectricitykeepsus______.B:Howso?Canyouexplain?A:Well,a______keep______.Theyrunonelectricity.Aswitch-offweekend一个没有电的周末Imagineaworldwithoutelectricity.Whatwillhappen?Nolights,nointernet,nofridge.

switch-offadj.关闭的

taskn.任务fridgen.冰箱

gobad变质tabletn.平板电脑householdadj.家庭的yogurtn.酸奶apartmentn.公寓Lastweek,Daisy’sscienceteachergavethemaspecial______:totrylivingwithoutelectricityforaweekend.Itwasa__________weekend!Atnight,thelightswereout,soshereadbycandlelight.Sheplayedonher______,butitsoonranoutofbattery.Thenextday,itwashotinher__________,andtheycouldn’tturnontheairconditioner.Most__________tasks,likewashingclothes,becamemuchharderwithoutelectricity.Worsestill,themilkand______inthe______quickly_________.Eventhoughthereweresomefunmoments,Daisylearnedthatelectricityisreallyimportant.switch-offta