【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.I

tishardtoimaginewhatlifeinourcitieswouldbelikewithoutit.Electricitylightsstreetsandbuildings,andwarms

peopleandanimals.Itheatsfoodincookersandcoolsitinrefrigerators.Itdrivestrainsandworkstrafficlightsandlifts.Italsoworksthemachinesinfactoriesthatm

akeallkindsofgoods.Everydaywonderssuchascomputersandtelevisionsuseelectricitytobringentertainmentandnewstomillionsoffami

lies.Invillagesandonfarms,electricalmachinesmilkthecowsandchoptheirfood.Theyalsocoolthemilkandchurnthebutter.Indeed,electricityfindsasm

uchworktodointhecountrysideasitdoesinthecities.WorksElectricityEverywhereWorksElectricityEverywhereAlmos

teveryonetodayuseselectricityinonewayoranother.Tointroducethetopicbrief&relevant1.Electricityisusedindifferentplacesinou

rlife.2.Electricityisusedindifferenttimesinhistory.WorksElectricityEverywhereIndeed,electricityfindsasmuchworktodointheco

untrysideasitdoesinthecities.Almosteveryonetodayuseselectricityinonewayoranother.TointroducethetopicToconcludethetopicbrie

f&relevantAlmosteveryonetodayuseselectricityinonewayoranother.Itishardtoimaginewhatlifeinourcitieswo

uldbelikewithoutit.Electricitylightsstreetsandbuildings,andwarmspeopleandanimals.Itheatsfoodincookersandcoolsitinr

efrigerators.Itdrivestrainsandworkstrafficlightsandlifts.Italsoworksthemachinesinfactoriesthatmakeallkindsofgoods.Everydayw

onderssuchascomputersandtelevisionsuseelectricitytobringentertainmentandnewstomillionsoffamilies.Invillagesandonfarms,electrical

machinesmilkthecowsandchoptheirfood.Theyalsocoolthemilkandchurnthebutter.Indeed,electricityfindsasmuchw

orktodointhecountrysideasitdoesinthecities.WorksElectricityEverywhereWorksElectricityEverywhereinthecountryside…lights……warms……heat

scools……drives……works…...bring……milk…andchop...…cool…andchurn…electricalappliancesandmachinesrelatedtothetopicintheciti

es.TodevelopthetopicwithenoughsupportingdetailsWorksElectricityEverywhereAlmosteveryonetodayuseselectricityinonewayoranother.Itishardtoimaginewhatlif

einourcitieswouldbelikewithoutit.Electricitylightsstreetsandbuildings,andwarmspeopleandanimals.Itheatsfoodincookersandcoolsitinrefrigerators.Itdrive

strainsandworkstrafficlightsandlifts.Italsoworksthemachinesinfactoriesthatmakeallkindsofgoods.Everydaywonderssuchascomputersandtelevi

sionsuseelectricitytobringentertainmentandnewstomillionsoffamilies.Invillagesandonfarms,electricalmachinesmilkthecowsandchoptheirfood.They

alsocoolthemilkandchurnthebutter.Indeed,electricityfindsasmuchworktodointhecountrysideasitdoesinthecities.BeginningB

odyEndingElectricityLet’sS___aveBeginningTointroducethetopicLet’ssaveelectricity2.Inrecentyears,moreandmorepeoplehaverealizedthe

importanceofsavingelectricity.1.Sincethediscoveryofelectricity,humanbeingshavelivedwithitforcenturies.Mos

ttimeelectricityisagoodservant,butitcanalsobeadangerousone.Soweneedtobecarefulwithit.brief&relevantLet’ssaveelectricityQ1:Whyshouldwesa

veelectricity?Q2:Howcanwesaveelectricity?Body1.Tosaveelectricity,wecantakethefollowingmeasures.3.Therearemanyreasonswh

yweshouldsaveelectricity.2.Electricityisreallyusefulbecauseitworkseverywhere.questionsLet’ssaveelectricityQ1:Whysh

ouldwesaveelectricity?BodyBodyLet’ssaveelectricityWhy?preciousimportantusefulTodevelopthetopicwithenoughsupportingdetails………………………Let’ssaveelectr

icityQ1:Whyshouldwesaveelectricity?BodyTodevelopthetopicwithenoughsupportingdetailsBodyLet’ssaveelectricityQ:Whatwouldhappenwithoutelectricity

?It’shardtoimaginewhatlifeinourcitieswouldbelikewithoutelectricity.TodevelopthetopicwithenoughsupportingdetailsWhy?Withoutelectricity,our

citywouldbedarkatnight.Let’ssaveelectricityWithoutelectricity,…would/wouldn’t…Let’ssaveelectricityQ2:Howcan

wesaveelectricity?BodysaveelectricitywasteelectricityBodywasteelectricityTodevelopthetopicwithsupportingdetailsL

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

ngWecan/can’t…Weshould/shouldn’t…Wemust/mustn’t…Let’ssaveelectricityEndingToconcludethetopic1.Tobebrief,let’ssaveelectric

ity!3.Asismentionedabove,itisreallyurgentforustosaveelectricityfromnowon.2.Indeed,electricityissoimportantbecauseitisusedeverywhereinourdailylife

.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’ssaveelectr

icityEndingBeginningrelatedtothetopicbrief&relevantbrief&relevantBodyChecklistBeginning:brief&relevantYes/NoBody:topicsentence&enoughsupportingdetai

lsYes/NoEnding:brief&relevantYes/No“Withoutelectricity,…would/wouldnot…”Yes/Nomodalverbs:can(’t)/should(n’t)/must(n’t)do…Yes/NoSharingandr

evisingHomeworkReviseyourarticlebasedonthechecklistandimproveit.*Leavemarksofeditinginyourcomposition.Thanky

ou!