上海版牛津初中英语课件Chapter3 A dangerous servant.ppt

chapter3adangerousservant 课时安排 twoweeks reading3课时listeningandspeaking1课时language2课时usingenglish1课时writing1课时morepractice1课时mid termprogressfile1课时 教学目标 i 学习有关电的知识ii 学习情态动词can must may的用法iii 学习如何书写规则 情感目标 通过对电的相关了解 告诉学生要在日常生活中节省电能 安全用电 reading i avacuumcleaner alightbulb afan atelevision mobilephones aradio aricecooker atorch aniron howdotheseelectricalapplianceswork electricity changeinto formsofenergy radio tv torch ricecook fan vacuumcleaner iron mobilephones computer heatenergymovementenergylightenergysoundenergy s ls l h m ms h ls s whatiselectricity whatcanwechangeitinto iii iselectricityimportantordangerous group work i toskimthewholetextandthinkaboutthequestions 1 whoweretalkingaboutelectricity 2 whatdidbennywanttobuy 3 coulddaisybuyelectricitywhenshereturned 4 whowaslookingfoolishatlast page30blookandthink apacketofsweetsandapacketofbatteries electricity benny i toskimthewholetextandthinkaboutthequestions becauseifnotusedcarefully electricitycanhurtus quiz 1 热能2 动能3 一种能量4 把 变成 5 能量形式6 光能7 声能8 看起来傻9 做家务10 一个危险的仆人 reading ii 1 listentothestorycarefully 2 practicereadingoutthewholepassage 3 let sseewhoreadsbest group newwordsandexpressions 1 batterybatteries2 scratchone shead thinkhardinordertofindananswer3 alightbulb4 becarefulwith giveattentiontosth 5 beconnectedto join6 adangerousservant apersonwhoworksinanotherperson shouse andcooks cleans etc forthem v serve n service n servant 7 invisible thatcannotbeseen8 formsofenergy shapesorkinds9 aniron10 aricecooker11 agrin awidesmile12 getabill13 ameter14 monthly everymonth15 inaway notcompletelypartly 16 that snotabadexplanation wordsthatmakesomethingclearv explain17 movementenergy movingorbeingmovedv move18 atlast intheendfinally19 acable p32 c1 c2andc3 p32 c1 c2andc3 p32 c1 c2andc3 electricity monthly inaway energy buried p32 c1 c2andc3 quiz 1 一包糖果2 愚弄某人3 在某种程度上4 一个坏的解释5 小心对待6 得到账单7 最终8 被连接9 关掉10 一个电灯泡 reading iii i readparagraphs1 3 whatdiddaisywanttobuy whatdidbennywantdaisytobuy doyouthinkifdaisycanbuywhatbennywanted 2 tofillintheblanks electricityisagood itflowsthrougha a measurestheamountyouuseandyougeta forit itislikewaterina electricityis however wecanchangeitinto thatwecan and butsometimeselectricityismuch sowemust it servant wire meter bill monthly way invisible formsofenergy see hear feel dangerous more becarefulwith readparagraphs4 81 tothinkaboutthequestion whatdoeselectricitylooklike paragraph7 readparagraphs9 13howdoeselectricitygettobenny sflat itcomesintoourflatthroughthinwires andtheseareconnectedtothickwires cables thatareburiedunderthestreet thethickwiresareconnectedtoapowerstation wires meter cables street powerstation beconnectedto beburied 2 todotrueorfalse 1 atfirstbennythoughthistrickhadbeensuccessful 2 daisyboughtpacketsofelectricityforbennywhenshereturnedfromtheshop 3 thechemicalsinsidethebatteriesproduceelectricity t f t readparagraphs14 211 wholookedfoolishatlast benny discuss howdoeselectricitycometoourclassrooms quiz 1 有礼貌2 发电站3 以包计量4 产生电5 更比较危险6 进入7 测量数量8 挠头9 一包电10 粗线 language electricityisveryimportant whatdoyouthinkofelectricity electricityisdangerous 1 useairconditionerstomakeusfeelmorecomfortableinsummerandwinter 2 usetelevisionstomakeourlivesmoreenjoyable 3 uselightbulbstomakeourlivesmoreconvenient whyiselectricityveryimportant wecan i weusecan can ttotalkaboutwhatweareableornotabletodo 1 icancount 2 marycan t cannotspell 3 a canyoutype b yes ican no ican t 4 a whatcanhedo b hecanplayfootball lookatthelistandsaywhatyoucanorcan tdonow 1 driveacar2 flytothemoon3 standonyourhead4 drawapicturewithmylefthand5 useacomputer6 makeakite 7 makemusic8 sellvegetables9 speakfrench10 climbatree11 makearobot12 swiminwinter ii wealsousecanormaytoaskforandgivepermission 1 youcan maysitdown 2 youmaynot cannotleave 3 a may cantheycomein b yes theymay can no theymaynot can t mayi we cani we yes no borrowyourbicycleborrowyourtennisrackethavesomechocolateshelpyouwithyourhomeworkopenthewindowsplaythepianoswitchofftheradioturnonthefanusethephone dialogue iii weusemust mustn t infinitive whenit sveryimportantforsomeonetodoornottodosomething 1 imustturniton 2 youmustnotswitchitoff 3 a mustwegonow b yes wemust no wemustn t 4 a whymusttheygetupearly b theymustgetupearlybecausetheywillattendanimportantmeeting saywhatyoumustdoormustn tdo walkonthezebracrossing enter smoke walkhere rideabicycle turnleft keepquiet putthelitterinthelitterbin wemust wemustn t howdoyoudealwithelectricity discussingroupandshow quiz 连词成句1 fire must an touch you electric not 2 some i money have pocket may dad 3 breathe they when are people can t water under 4 use printer is you it broken the because can t 5 must you jump not a bus onto it still is moving when usingenglish questionsdoyouwanttoknowmoreaboutelectricity howcanyouknowmoreaboutelectricity questions1 doyouknowhowtotellfictionbooksandnon fictionbooks pleasereadtheconversationonpage40andanswerthefollowingquestion 2 howmanythingsshouldyouknowinordertofindabookinthelibrary homeworktofindafictionbookandanon fictionbookinourschoollibrary2 tomakeadialogueabouthowtofindyourbooks listening tolistentothedialoguebetweenbenny smotherandanelectricianandcircleonoroff on on on on on on off off off m well theotherflatsinyourbuildingareallright 1 whataboutthewashingmachine wasthaton w no itwasoff iwasn tdoinganywashingatthattime m canyourememberwhatwason w theusualthings thelightswereon ofcourse andtheairconditioner 2 m andisupposethefridgewason w yes thefridgewason andthetelevision thatseemstobeonallthetimeinourflat m 3 wno thevacuumcleanerwasoff itwasinthecupboard ithinktheironwason though mysonwasdoingsomeironing butit sabrandnewiron andthatshouldbeallright m 4 wasthekettleon w no thekettlewasoff butthericecookerwason m ah w yes andithinkitwasonlasttomewhenalltheelectricitywentoff too m right 5 letmehavealookatitandseeifit sworkingproperlyornot i llstartbycheckingtheplug a whataboutthekettle b ithinksomethingiswrongwithoneofyourmachine c wereyoudoinganyvacuumingorironing d wealwayshavetheairconditioneroninthesummer e itsoundslikethericecookercouldbecausingyourproblems b d c a e writing answerthetelephonebepolitedressupkeeptheirdesksleanoutofreadcomicssleepstandonthedesk he shemust mustn t intheoffice officerules membersofstaffmust 1 immediately 立即 2 tidy 3 tocustomers 顾客 4 properlyintheoffice membersofstaffmustnot 5 ondesksorchairs 6 thewindow 7 intheoffice 8 intheoffice answerthetelephone keeptheirdesks bepolite dress leanoutof stand readcomics sleep whatmust mustn twedoinourclassroom thinkandsay ourschoolrules studentsmust 1 2 3 4 5 studentsmustnot 6 7 8 9 10 wearschooluniformsintheschool leavetheschoolbyhalfpastfive switchoffthelightswhenschoolisover usethestairswhenthereisafire keeptheschoolclean eatanddrinkintheclassroom smoke chewgum bringvaluablestotheschool fight morepractice haveatry almosteveryonetodayuseselectricityinonewayoranother itishardtoimaginewhatlifeinourtownswouldbelikewithoutit electricity thestreetsandbuildings and peopleandanimals it foodincookersor itinrefrigerators it trainsandtramsand thetrafficlights liftsandthemachinesinfactoriesmakingallkindsofgoods andtheeverydaywondersofradioandtelevisionuseelectricityto entertainmentandnewstomillionsoffamilies invillagesandonfarms electricalmachines thecowsand theirfood theyalso