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ID:49076240
大小:3.00 MB
页数:28页
时间:2020-01-30
《英语人教版九年级全册unit6 when was it invented .ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、SectionAUnit6Whenwasitinvented?Challengeyourself(自我挑战)Whatisit?TrytoguessWhatisit?Whatisit?Hereisaboxwithabeautifulglassface.Youcanseeplaysandprogramsonit.Hereisaboxwithabeautifulglassface.ItlookslikeaTV,butitisn’t.Itcanhelpyouworkandstudy.Whatisit?Thislittlethingha
2、snumberonit.ItisSmallbutitcanhelpyouworkoutmathproblems.Whatisit?calculator['kælkjuleitə]Ithasaroundface,Ithasthreehands.Ifyoudon’tknowtime,youwilllookatit.Whatisit?Hereisabigbox.Itcanmakeyourclothescleanandyourhouseworkeasy.Withitshelpyoucanhavemoretimetorelaxortow
3、ork.Whatisit?WashingmachineHereisabox.Youcanuseittocookmanykindsofdeliciousfood,suchasfish,chicken,meatandrice.Youcanalsouseittomakecolddishandfoodhotinafewminutes.Whatisit?microwaveovenWhatisit?ItisoneofthefourChineseinventions,Itcanmakepaper,ItwasinventedbyCaiLong
4、.papermakingThomasEdison(1847-1931)ThomasEdisonwasagreatAmericaninventor.Heinventedmorethan1000inventionsduringhislifetime.(发明家n.)(发明n.)(发明v.)lightbulbinventionEdisoninventorEdisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.Bellinventedthetelephone.Thetele
5、phonewasinventedbyBell.Bellinventedthetelephonein1876.Thetelephonewasinventedin1876.被动语态Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.Thepassivevoice.被动语态主动语态变被动语态的结构图:主语 谓语动词过去式宾语 时间状语主语 谓语动词的过去分词宾语 时间状语Benzinventedthecar.ThecarwasinventedbyBen
6、z.Whenwasthecarinvented?Thecarwasinventedin1885.KarlBenz1885calculatorItwasinventedin1971.Whenwasthecalculatorinvented?1971Listening1b:*Listenandmatchtheinventionswiththedates.a18761885192719711976bcdePairworkA:Whenwasthe________invented?B:Ithinkitwasinventedin_____
7、_.18761976188519271971A:What’situsedfor?B:It’susedfortalkingwithpeople.beusedfordoing“被用来做….”workingtellingthepeopletimetakingphotosdrinkingwaterWhataretheyusedfor?Theyareusedforopeningandlockingadoor.Whataretheyusedfor?Theyareusedforeating.Whatis/are…inEnglish?What
8、is/are…usedfor?It’s/They’reusedfor…pairworkWritingtimeinventoruse1862Harrisonkeepfoodfresh1858SmithwashclothesThe….wasinventedin______.Itw
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