Unit6SectionA（1a-2c）課件-人教版英語九年級全一冊

Unit6Whenwasitinvented?SectionA11a~2cLearningObjectives1.Tolistenandtalkabouttheimportantinventionsandtheirhistory,usingpassivevoice

1.--Whenwas…invented?--Ithinkitwasinventedin…2.Ithink…wasinventedbefore/after…2.Tolistenandtalkaboutwhatinventionsareusedforusingpassivevoice

Whatis/are…usedfor?Itis/theyareusedfor...inventv.發(fā)明inventorn.發(fā)明家inventionn.發(fā)明e.g.Edison,agreatinventor,invented

manygreatinventionsduringhislife.Chinesefourgreatancientinventions

PapermakinggunpowderprintingDoyouknowtheseinventions?telephoneTV（television)carsDoyouknowwhentheseinventionswereinvented?Youcandiscuss!Pre-listeningLookatthethingsbelow.Inwhatorder(順序）doyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1a2314Ithinkthe…wasinventedbefore/after...Well,I…Expressyouropinion:IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Well,Iagreewithyou.年份的讀法：1.兩個(gè)數(shù)字一組，分為前后兩組

1864eighteensixtyfour2020twentytwenty2.千年的讀法：2000twothousand2001twothousandandone3.前兩個(gè)數(shù)字不為零，后兩個(gè)數(shù)字為零1800eighteenhundred1900nineteenhundredCanyoureadthem?(PK)1876188519271971

eighteenseventysixeighteeneightyfivenineteentwentysevennineteenseventyoneListeningListenandmatchtheinventionswiththeyears.

1b___1876___1885___1927___1971dacb一般過去時(shí)的被動(dòng)語態(tài)：was/were+及物動(dòng)詞-ed形式StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.

1cWhenwasthe...invented?Ithinkitwasinventedin....PairworkWhenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Itwasinventedin1971.ListeningListenandnumbertheinventions[1-3]intheorderyouhearthem.2a132InventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-cream2bchangingservinginthedarkn.樣式;款式n.鞋跟;足跟n.勺;鏟子beusedfor被用做……Makeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.

Whatarehotice-creamscoopusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchanging