unit-9when-was-it-inventedsection-a-period-one-1人教近年原文.pptx

Unit9Whenwasitinvented?SectionA电大附中

inventions

Weusethecartotravel.Thecarisusedfortraveling.

A:Whatisthe_______usedfor?B:Itisusedfor_______________.talkingwithpeople

A:Whatisthe_______usedfor?B:Itisusedfor___________.(count)counting

A:Whatisthe________usedfor?B:Itisusedfor__________________.makingthefoodhot.(makethefoodhot)

PAIRWORKHelpfulinventionsAnnoyinginventionsExamplelightbulbExamplealarmclock..5.5.

A：Whatdoyouthinkisthemosthelpfulinvention?B：Ithinkthemosthelpfulinventionisthelightbulb.A：Whyisthat?B：Well,itgivespeoplemoretimetoworkandplayeveryday.Forexample:

alarmclockIt’sanannoyinginvention.BecauseitwakesmeupwhenI’msleeping.

inventor

lightbulbinventionEdisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.

KarlBenzinventedthecar.______wasinventedby_______.ThecarKarlBenz

Bellinventedthetelephone.___________wasinventedby___.ThetelephoneBell

Thepassivevoice.被动语态主动语态变被动语态的构造图: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

A:Whowasthe_______inventedby?B:Itwasinventedby__________.RevisionCarlBenzBell

RevisionA:Whowerethe_______inventedby?B:Theywereinventedby______.Edison

A:Ithinkthetelephonewasinventedbeforethecar.B:Well,Ithinkthetelephonewasinventedafterthecar.

1bListenandmatchtheinventionswiththedates.abedc18761885192719711976dabec

A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.Pairwork(1c:P68)19761885187619271971

Sentencepattern:Whatisit/aretheyusedfor?Whowasit/weretheyinventedby?Itis/Theyareusedfor...Itwas/Theywereinventedby...Guessinggame:

Theseinventionswereallinventedinothercountries.Theyareallmoderninventions.Theyarenotveryfarfromus,butinancientChina,weh