【文档说明】《Unit 3 Electricity》教学课件1-八年级下册英语【牛津上海版】.ppt，共(28)页，15.648 MB，由小喜鸽上传

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OxfordEnglish8BU3ElectricityMorePracticeandWritingWorksElectricityE_________verywhereAlmosteveryonetodayuseselectricityinonewayoranother.Itisha

rdtoimaginewhatlifeinourcitieswouldbelikewithoutit.Electricitylightsstreetsandbuildings,andwarmspeopleandanimals.Itheatsfoodincookersandcoolsi

tinrefrigerators.Itdrivestrainsandworkstrafficlightsandlifts.Italsoworksthemachinesinfactoriesthatmakeallkindsofgoods.Everyda

ywonderssuchascomputersandtelevisionsuseelectricitytobringentertainmentandnewstomillionsoffamilies.Invillagesandonfarms,electricalmachinesmilkt

hecowsandchoptheirfood.Theyalsocoolthemilkandchurnthebutter.Indeed,electricityfindsasmuchworktodointhecountrysideasitdoesi

nthecities.WorksElectricityEverywhereWorksElectricityEverywhereAlmosteveryonetodayuseselectricityinonewayoranother.Tointroducethetopicbrief&relevant1

.Electricityisusedindifferentplacesinourlife.2.Electricityisusedindifferenttimesinhistory.WorksElectricityEverywhereIndeed,electricityfindsasmuch

worktodointhecountrysideasitdoesinthecities.Almosteveryonetodayuseselectricityinonewayoranother.Toint

roducethetopicToconcludethetopicbrief&relevantAlmosteveryonetodayuseselectricityinonewayoranother.Itishardtoimaginewhatlifeinourc

itieswouldbelikewithoutit.Electricitylightsstreetsandbuildings,andwarmspeopleandanimals.Itheatsfoodincookersandcoolsitinrefrig

erators.Itdrivestrainsandworkstrafficlightsandlifts.Italsoworksthemachinesinfactoriesthatmakeallkindsofgoods

.Everydaywonderssuchascomputersandtelevisionsuseelectricitytobringentertainmentandnewstomillionsoffa

milies.Invillagesandonfarms,electricalmachinesmilkthecowsandchoptheirfood.Theyalsocoolthemilkandchurnthe

butter.Indeed,electricityfindsasmuchworktodointhecountrysideasitdoesinthecities.WorksElectricityEverywhereW

orksElectricityEverywhereinthecountryside…lights……warms……heatscools……drives……works…...bring……milk…andchop...…cool…andchurn…electricalappliance

sandmachinesrelatedtothetopicinthecities.TodevelopthetopicwithenoughsupportingdetailsWorksElectricityEverywhereAlmosteveryonetodayuseselectricityi

nonewayoranother.Itishardtoimaginewhatlifeinourcitieswouldbelikewithoutit.Electricitylightsstreetsandbuildings,andwarmspeopleandanimals.It

heatsfoodincookersandcoolsitinrefrigerators.Itdrivestrainsandworkstrafficlightsandlifts.Italsoworksthemachinesinfactoriesthatmakeallkindsofg

oods.Everydaywonderssuchascomputersandtelevisionsuseelectricitytobringentertainmentandnewstomillionsoffamilies.Invillagesandonfarms,electrical

machinesmilkthecowsandchoptheirfood.Theyalsocoolthemilkandchurnthebutter.Indeed,electricityfindsasmuchworktodointhecountrysideasitdoesinthecities

.BeginningBodyEndingElectricityLet’sS___aveBeginningTointroducethetopicLet’ssaveelectricity2.Inrecentyears,moreand

morepeoplehaverealizedtheimportanceofsavingelectricity.1.Sincethediscoveryofelectricity,humanbeingshavelivedwithitforcenturies.Mosttimeelectricityis

agoodservant,butitcanalsobeadangerousone.Soweneedtobecarefulwithit.brief&relevantLet’ssaveelectricityQ1:Whyshouldwesaveelectricity?Q2:Howcanwes

aveelectricity?Body1.Tosaveelectricity,wecantakethefollowingmeasures.3.Therearemanyreasonswhyweshouldsaveelectricity.2.Electr

icityisreallyusefulbecauseitworkseverywhere.questionsLet’ssaveelectricityQ1:Whyshouldwesaveelectricity?BodyB

odyLet’ssaveelectricityWhy?preciousimportantusefulTodevelopthetopicwithenoughsupportingdetails………………………Let’ssaveelectricit

yQ1:Whyshouldwesaveelectricity?BodyTodevelopthetopicwithenoughsupportingdetailsBodyLet’ssaveelectricity

Q:Whatwouldhappenwithoutelectricity?It’shardtoimaginewhatlifeinourcitieswouldbelikewithoutelectricity.Todevelopthetopicwithen

oughsupportingdetailsWhy?Withoutelectricity,ourcitywouldbedarkatnight.Let’ssaveelectricityWithoutelectricity,…would/wouldn’t…Let’s

saveelectricityQ2:Howcanwesaveelectricity?BodysaveelectricitywasteelectricityBodywasteelectricityTodevelopthetopicwithsupportingdetailsLet’s

saveelectricityQ:Inwhichsituationsdowewasteelectricityinourdailylife?How?We’dbetterdo/notdo…Doing…is…Itis…forustodo…100w!!unplug(v.)energysavingWe

can/can’t…Weshould/shouldn’t…Wemust/mustn’t…Let’ssaveelectricityEndingToconcludethetopic1.Tobebrief,let’ssaveelectricity!3.

Asismentionedabove,itisreallyurgentforustosaveelectricityfromnowon.2.Indeed,electricityissoimportantbecauseitisusedeverywh

ereinourdailylife.brief&relevantPracticeTopicsentence+supportingdetailsQ1:Whyshouldwesaveelectricity?

*Withoutelectricity,...would/wouldn’t…Q2:Howcanwesaveelectricity?*Wecan/can’t…should/shouldn’t…/must/mustn

’t…(We’dbetterdo/notdo…;Doing…is…;Itis…forustodo…)Let’ssaveelectricityEndingBeginningrelatedtothetopicbrief&relevantbrief&relevantBodyChecklistBeginn

ing:brief&relevantYes/NoBody:topicsentence&enoughsupportingdetailsYes/NoEnding:brief&relevantYes/No“

Withoutelectricity,…would/wouldnot…”Yes/Nomodalverbs:can(’t)/should(n’t)/must(n’t)do…Yes/NoSharingan

drevisingHomeworkReviseyourarticlebasedonthechecklistandimproveit.*Leavemarksofeditinginyourcomposition.Tha

nkyou!