2023学年完整公开课版九年级上册Unit6 When was it inventedSection A 1

Unit6Whenwasitinvented?1.Tolistenandtalkabouttheimportantinventionsandtheirhistory,usingpassivevoice

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

Whatis/are…usedfor?Itis/theyareusedfor...inventv.发明inventorn.发明家inventionn.发明e.g.Edison,agreatinventor,invented

manygreatinventionsduringhislife.Whatcanyouseeinthepicture?Canyouguesswhichonewasinventedfirst?Whichonewasinventedlast?IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.WastheTVinventedbeforethecarorafterthecar?Discusswithyourpartner.Ithink…wasinventedbefore/after...Discussotherthings.Usethedialogueasanexample.Well,I…Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].

1a2314Listenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbWatchandread.ListentothedialogueagainandpayattentiontoPassivevoice(pasttense).一般过去时的被动语态：was/were+及物动词-ed形式StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.Listenandnumbertheinventions[1-3]intheorderyouhearthem.2a132InventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamListenagainandcompletethechart.2bchangingservinginthedarkn.样式;款式stylen.

样式,款式instyle流行的,时髦的outofstyle过时的thestyleof………的样式/款式Listenagainandpayattentiontothestructure“beusedfor”.beusedfor被用做于……Makeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.

Whatarehotice-creamscoopusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.What’sthis?Zipper.n.拉链Wherecanyouseeit?Pants,trousers,bags,backpacks,dressers,shoes,suitcase,etc.LeadinWatchandread.Answerthefollowingquestions.1.Whoinventedthezipper?

ItwasinventedbyWhitcombJudson.2.Whenwasthezipperinvented?

Itwasinventedin1893.3.Whenwasitusedwidely?

Itwasinventedin1917.1)拉链是在1893年被惠特科姆.贾德森发明的。

Thezipper__________________WhitcombJudson______1893.2)但是在那个时候，它还没有被广泛使用。

But_______________,it_____________widely.wasinventedbyinatthattimewasn’tusedReadandtranslate.1.Readthedialoguealoudforafewminutesbyyourself;2.Roleplayingroups;3.Roleplayinfrontoftheclass.We’llseewhichgroupdoesthebest.1.靠电力运行2.被用来做……3.想出4.乐意效劳！5.如此伟大的一项发明6.在我们的日常生活7.有道理8.不同发明的先驱者runonelectricitybeusedfor...

thinkofWithpleasure!suchagreatinventioninourdailyliveshaveapointthepioneersofdifferentinventions根据语境,从方框中选择恰当的短语填空,有的需要变换形式。thinkof,haveapoint,withpleasure,beusedfor,seeawebsite1.Pencils_______________drawingandwriting.2.Whocan______________agoodwaytoremembertheEnglishwords?

areusedforthinkofthinkof,haveapoint,withpleasure,beusedfor,seeawebsite3.I_________________thismorning.IthinkitcanhelpyouwithEnglish.4.—Couldyoupleasecleantheroom?I’mgoingtocookdinner.—_________________.I’lldoitatonce.5