人教版九年级英语unit9sectionAppt课件.ppt

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1、Whenwasitinvented?Unit9invent[in'vent]v.发明，创造calculator['kælkjuleitə]n.计算器beusedfor用来做……scoop[sku:p]v.用勺舀n.勺子，长柄勺adjustable[ə'dʒʌstəbəl]adj.可调整的heel[hi:l]n.（鞋袜等的）后跟battery['bætərɪ]n.电池operate['ɔpəreit]v.操作，作业battery-operate电池供电的slipper['slipə]n.拖鞋heat[hi:t]v.加热，是变热NewwodsWhatis/are…usedfor?

2、It’s/They’re…usedfor…lightbulbsinventionEdisoninventorEdisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.KarlBenzinventedthecar.______wasinventedby_______.ThecarKarlBenzBellinventedthetelephone.___________wasinventedby___.ThetelephoneBellKarlBenzBellEdison.Whowas______inventedby?Itw

3、asinventedby_________.thecarKarlBenzpairwork1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabeccalculatorPAIRWORKWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.1c1885197619711927Whataretheyusedfor?Whichisthemostusefulinvention?A:Whatistheusedfor?B:Ithinkitisusedf

4、or_______________.talkingwithpeoplecarcomputercalculatorlightbulbscountingbringinglightinsteadingofwalkingstudyingPAIRWORKLet’sdiscussWhatarethecomputersusedfor?Thecomputersareuesdfor…….(beusedfor+v-ing被用于……)playgamessearchinformationreadstorieschatwithfriendstingingingingIthinkcomputeristh

5、emosthelpfulinvention.BecauseithelpsmesearchtheinformationthatIneed.Whoinventedthecar?_______inventedthecar.KarlBenzKarlBenzThecar____________by______.wasinventedhim1885Whenwasitinvented?wasinvented1971It_____________in______.1971BellA:Whowasthetelephoneinventedby?B:Itwasinventedby___.A:Whe

6、nwasitinvented?B:Ithinkitwasinventedin__.interestinginventionsNewwordsscoopv.用勺舀n.勺子adjustableadj.可调整的heeln.后跟batteryn.电池operatev.操作battery-operated电池供电的slippern.拖鞋heatv.加热battery-operatedslippers电池供电的拖鞋heatedicecreamscoop加热的冰激凌勺shoeswithadjustableheels可调节后跟的鞋inventionshighheelsadjustablehe

7、elsadjustable可调整的inventionsicecreamscoopheat加热scoopinventionsslippersabatterybatteriesoperate操作Whoweretheyinventedby?Whataretheyusedfor?adjustable可调整的operate操作heat加热ListeningListenandnumbertheinventionsintheorderthatyouhear.2a312InventionWhowasit/werethe