九年级英语 Unit 9 Section A第一课时课件 人教新目标版.ppt

unit9whenwasitinvented sectiona 1a 1c acomputer isaninvention edisoninventedthelightbulb inventionn 发明物 inventorn 发明家 inventv 发明 edison lightbulb thelightbulbwasinventedbyedison 1879年 they reallinventions theywereinventedbyinventors atrain acar aplane aship abicycle calculator计算器 car tv telephone inventions computer a ithinkthecalculatorwasinventedbeforethecomputer b well ithinkthecalculatorwasinventedafterthecomputer whichwasinventedfirst thecalculatororthecomputer 1b listenandmatchtheinventionswiththedates a b e d c 18761885192719711976 d a b e c thetvwasinventedin1927 a whenwasthe invented b ithinkitwasinventedin pairwork 1c p68 1976 1885 1876 1927 1971 agame icecream network vacuumcleaner elevator icecream tea oven icecream subway icecream whowasthecarinvented karlbenz thecarwasinventedbykarlbenz 1885 whenwasitinvented itwasinventedin1885 1971 bell a whowasthetelephoneinventedby b itwasinventedby a whenwasitinvented b ithinkitwasinventedin whatis are usedfor it s they re usedfor a whatisthe usedfor b itisusedfor talkingwithpeople talkwithpeople a whatisthe usedfor b itisusedfor study studying a whatisthe usedfor b itisusedfor count counting whataretheyusedfor theyareusedforgivinglight lightbulbs whatisitcalled itiscalledalightbulb whenwasthelightbulbinvented itwasinventedin1879 whowasitinventedby itwasinventedbyedison 1879 whatisitusedfor itisusedforgivinglight 1817 delaisse karlbenz 1885 wrightbrothers 1903 train camerajoseph1827 1 2 2 3 4 5 6 7 8 let sguess thefourgreatinventionsinchina whenwasitinvented whowasitinvent