人教版九年级上册英语unit9+SectionA+PPT课件.ppt

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1、Unit9Whenwasitinvented?SectionATalkaboutthehistoryofinventions.Thepassivevoice.GrammarFocus:LanguageGoals:invent[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.

2、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NewwodslightbulbsinventionEdisoninventorEdisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.KarlBenzinventedthecar.______wasinventedby_______.ThecarKarlBenzBellinventedthetelephone.___________wasinventedby___.Thetelep

3、honeBellKarlBenzBellEdison.Whowas______inventedby?Itwasinventedby_________.thecarKarlBenzpairwork1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabeccalculatorPAIRWORKWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.1c1885197619711927Whatis/are…usedfor?It’s/The

4、y’re…usedfor…某物被用来做什么….Let’sdiscussWhatarethecomputersusedfor?Thecomputersareuesdfor…….(beusedfor+v-ing被用于……)playgamessearchinformationreadstorieschatwithfriendstingingingingA:Whatistheusedfor?B:Ithinkitisusedfor_______________.talkingwithpeoplecarcomputercalculatorlightbulbscountingbr

5、inginglightinsteadingofwalkingstudyingPAIRWORK1.Amyused________glass.A.wearB.towearC.towearingD.usetobe2.Theknifeisused______fruits.A.tocuttingB.forcuttingC.cut3.Iused_____late,butnowI_________early.A.togettingup;amusedtogettingupB.togetup;amusedtogetupC.togetup;amusedtogettingup4.They

6、’reusedforseeinginthedark.(改为同义句)They’reused_________inthedark.BBCtoseeusedtodo过去常常做某事，只用于过去时态beusedtodoing习惯做某事，用于一般现在时和过去时beusedfordoing/todo被用于做某事，表示被动语态camera1839Daguerre达盖尔planeTheWrightBrothers莱特兄弟1903WritingtakephotosForexampleA:Whenwas_____invented?B:The_______wasinventedin____

7、__.A:Whowas____inventedby?B:Itwasinventedby______.IthinkItisveryuseful.Itwasusedfor_____.carrypeopletosomeplace造纸术paper-making印刷术printing火药gunpowderHOMEWORKthefourgreatinventionsofancientChinainventiontimeinventorbeusedfor指南针thecompassGoodBye!