人教版九年级全一册Unit9When was it invented？第一课时课件

SectionA 吴春燕龙港三中 Unit9Whenwasitinvented Museum InventionMuseum Howmuchisit 18 Howmuchisit Rule Onlyonegroupthatgetsthemostscores 分数 canenterthemuseum Guessing Whatisit part1 Guessing Whatisit Guessing Whatisit Microwaveoven Itisusedforcookingandheatingfood 加热 Whatfoodcanbeheatedinit Whatisitusedfor Itisusedforcounting calculator Whataretheyusedfor Theyareusedforgivinglight lightbulbs Whatis are usedfor It s They re usedfor part2 alarmclock It sanannoyinginvention BecauseitwakesmeupwhenI msleeping Ithinkcomputeristhemosthelpfulinvention BecauseithelpsmesearchtheinformationthatIneed part3 Asurvey Whatdoyouthinkisthemosthelpful annoyinginventions Usefulexpressions A Whatdoyouthinkisthemosthelpful annoyinginvention B Ithinkthemosthelpfulinventionis A Whyisthat B Well itgives helpspeople HenryFordEdisonBellTs aiLunWrightbrothersfisher inventors inventions PapermakingPlaneWashingmachineLightbulbCarTelephone 1976 1971 1976 1927 1885 Whenwasitinvented 1b Listenandmatchtheinventionswiththedates a b e d c 18761885192719711976 d a b e c 1876 1885 1927 1971 1976 part5 Whenwasthecarinvented Itwasinventedin1885 Chineseinventions Howmanyinventionsdoyouknow Groupwork battery operatedslippers heatedicecreamscoop shoeswithadjustableheels 电池供电的拖鞋 加热的冰激凌勺 可调节后跟的鞋 2a Listenandnumbertheinventionsintheorderthatyouhear 3 1 2 2bListenagain Matchtheinventionswiththeirinventorsanduses Inventionshoeswithadjustableheelsbattery operatedslippersheatedicecreamscoop Whowasit weretheyinventedby ChelseaLanmonJayceCoziarandJamieEllsworthJulieThompson Whatisit aretheyusedfor scoopingreallycoldicecreamseeinginthedarkchangingthestyleoftheshoes musiccandle activityglasses temperaturecup Challenge Trytobeaninventor Welcome Thepassivevoice 被动语态 被动语态的构成 be动词 及物动词的 过去分词 一般现在时 一般过去时 Homework DescribeoneofyourinventionsAndthenwriteitdown GoodBye 人类的每一次改革都是社会前进的步伐 每一次思想的升华都越来越接近文明 发明使人类由黑暗走向光明 正因为如此 社会离不开发明 让我们一起走向发明的前源吧 Whenwasitinvented 发明使人类由黑暗走向光明 Thepassivevoice 被动语态 被动语态的用法 不知动作执行者时 常用被动语态 eg Mybikewasstolenyesterday ThiscarismadeinAmerican 2 不必要说出动作执行者时 常用 eg Romewasnotbuiltinaday 3 为了突出强调动作的承受者时 常用被动语态 eg Thousandsofbeachesarepolluted 污染 用所给动词的正确形式填空 1 Thebike fix upbyXiaoMingyesterday 2 Sunglasses use forprotectingpeople seyes 3 Apicture put upontheblackboard 4 French speak inFrance 5 Teenagersshould allow tochoosetheirownclothes wasfixed areused isput isspoken beallowed Thepassivevoice 被动语态 主动语态变被动语态的结构图 Bellinventedthetelephonein1876 ThetelephonewasinventedbyBellin1876 主语 谓语动词过去时 宾语 时间状语 主语 谓语动词的过去分词 宾语 时间状语 alarmclock lightbulb microwaveoven 3a inventions airconditioner feelcoolinsummer feelwarminwinter alarmclock tellingthetime A Whatdoyouthinkisthemosthelpful annoyinginvention B Ithinkthemosthelpfulinventionisthe A Whyisthat B Well ithelpsus savetimeandconvinient learnmoreabouttheworld talkfromfaraway eaticecream Imaginethatyouarealoneonatinyisland Choosefivethingsyouwouldliketohaveontheislandwithyou Tellthegroupwhaty