七年级英语下册Chapter 5 Electricity More practice课件深圳牛津版.ppt

electricity morepractice beforeyouread whileyouread afteryouread contents a1completethesentenceswiththewordsfromthebox modernpeopleusemore thanpeopleinthepast don ttouchthe you llgetanelectric whentheworkersweredigginguptheroad theycutthe asaresult therewasa inthearea blackoutwireenergycableshock energy wire shock cable blackout beforeyouread 1 2 3 1 3 a2now useyourdictionaryandfindoutwhatthesefivewordsmean blackoutwireenergycableshock aperiodofdarknesscausedbyacutintheelectricitysupplysomethingcarryingelectricitythepowerthatmakesthingsworkathick strongropemadeofwireaverystrongforceorblow 1 2 3 2 3 belectricityisimportant discusswithyourclassmates whatwouldourlivesbelikewithoutelectricity 1 2 3 3 3 whileyouread 1 2 3 areadthepassage 3 1 almosteveryonetodayuseselectricityinonewayoranother itishardtoimaginethelifeinourcitywithoutit instreets electricitycanlighttheroadsandbuildings itcandriveundergroundtrainsandworkthetrafficlights itcanwarmpeopleandtheirpetsintheirfamilies itcanheatfoodincookersandcoolitinfridges andeverydayradiosandtelevisionsuseelectricitytobringentertainmentandnewstomillionsoffamilies itcanworktheliftsandthemachinesinfactories invillagesandonfarms electricalmachinescanmilkthecowsandchoptheirfood theycanalsocoolthemilk infact electricityfindsasmuchworktodoinvillagesasitdoesincities bmatchthesewordswiththeirmeanings f d b e c a 1 2 3 3 2 1 2 3 3 3 ccompletethetable lighttheroadsandbuildings driveundergroundtrains workthetrafficlights warmpeopleandtheirpets heatfoodincookersandcoolitinfridges radiosandtelevisionsuseelectricitytobringentertainmentandnewstomillionsoffamilies worktheliftsandthemachines milkthecows choptheirfood coolthemilk afteryouread alookatthepicturesbelow workinpairsandtaketurnstosaywhatwemustandmustnotdotosaveelectricity 1 2 3 4 5 6 6 1 wemustusefewerlights wemustclosethefridgeorfreezerafterwehavetakensomethingout 1 2 3 4 5 6 6 2 wemustturnfansoffwhenweleavearoom wemustnotleavethelightonwhenweleavearoom 1 2 3 4 5 6 6 3 wemustnotleavethekettleunattended wemustcloseallthewindowswhenweareusingtheairconditioner 1 2 3 4 5 6 6 4 bthepeopleinthefollowingpictureshavedonesomethingwrong discussandpointthemout 1 2 3 4 5 6 6 5 cinsmallgroups discusswhatwecandoifalltheelectricityisoffinourhome 1 2 3 4 5 6 6 6 说明本套教材根据牛津英语教材englishfirst ontarget 和oxfordenglish 由上海市中小学 幼儿园 课程改革委员会和牛津大学出版社 中国 有限公司合作改