初中九年級英語課件When was it invented(SectionAa2d)

Whenwasitinvented?Unit6objectives1.Tolistenandtalkabouttheimportantinventionsandtheirhistory,using

passivevoice

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

What

is/are…usedfor?

Itis/theyareusedfor...heelscoopelectricitystyleprojectpleasurezippern.鞋跟；足跟n.勺；鏟子n.電；電能n.樣式；款式n.

項目；工程n.高興；愉快n.

拉鏈；拉鎖WordsandExpressionsdailyhaveapointwebsitepioneerlistmentionadj.每日的,日常的有道理n.網(wǎng)站n.先鋒；先驅(qū)v.

列表

n.名單；清單v.

提到；說到WordsandExpressionsWhatcanyouseeinthepicture?cartelephone

computerTVInwhatorderdoyouthinktheywereinvented?Thennumberthem.A:IthinktheTV

wasinvented

beforethecar.B:Well,IthinktheTV

wasinvented

afterthecar.1234聽力原文一般過去時的被動語態(tài)：was/were+及物V-ed形式1b.

Listenandmatchtheinventionswiththeyear.______1876______1885______1927______1971dacbListenandnumbertheinventions[1-3]intheorderyouhearthem.2a聽力原文beusedfor被用做于……InventionWhatisit/aretheyusedfor?shoeswithspecialheels_________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop______reallycoldice-creaminthedarkservingListenagainandcompletethechartbelow.changing2bpantsbackpacksshoessuitcasesbagsWhatdothesethingshaveincommon?zipper1.Whoinventedthezipper?2.Whenwasthezipperinvented?3.Whenwasitfirstusedwidely?Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Mypleasure!Letmethink…h(huán)mm…Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?

Roy:Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!2dRole-playtheconversation.Paul:Well,youdoseemtohaveapoint…Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.

Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.Whoinventedthezipper?ThezipperwasinventedbyWhitcombJudson.2.Whenwasthezipperinvented?Itwasinventedin1893.3.Whenwasitfirstusedwidely?Itwasfirstusedwidelyinaround1917.Readthedialoguein2d,thenanswerthequestionsbelow.Thezipperisoneofthesmallinventionsthatchangestheworld.It___________inourdailylives.Youcanseezippersalmosteverywhere.Thezipper________________WhitcombJudsonin1893.Butatthattime,it___________widely.Inaround1917,itbecamepopular.Fillintheblanksaccordingtotheconversation.isoftenusedinventedbywasn’tusedwasTranslatebeusedformentiondoing3.nottomention4.Don’tmentionit5.dailylife6.haveapoint7.beinventedby被用于提及做某事更不用說不客氣。日常生活有道理由…發(fā)明一.根據(jù)提示，用合適的單詞填空。

1.Idon’tlikethe____(樣式)ofthispairofshoes.

2.Mikedidn’t_______(提及)hislifeabroadinhisletter.

3.Isucceededinfinishingthe______(項目)withDave’shelp.

4.Thecomputerplaysanimportantroleinour______(日常的)life.5.Thechildrengotmuch______(please)fromgrowingflowers.

6.Jeffgotalotofinformationaboutpandasfromthese_______(website).stylementionprojectdailypleasurewebsites

1)拉鏈是在1893年被惠特科姆.賈德森發(fā)明的。

Thezipper________________WhitcombJudson____1893.2)但是在那個時候，它還沒有被廣泛使用。

But___________,it________________.wasinventedbyinatthattimewasn’twidelyused二.Readandtranslate.3)TheymadethesecomputersinShenzhen.(改為被動語態(tài))Thesecomputers__________inShenzhen.weremade三.單項選擇：1).——Thankyoufortakingmearoundyourschool,Daming.

——________

A.Don'tmention

it.B.Nevermind.

C.Ofcoursenot.

D.Noproblem.2).——Sorry,Sir.Imadeamistakeagain.

——_____.Practicemoreandyouwilldobetter.

A.Nevermind

B.I’mnotsure

C.You’rewelcome

D.Don’tmentionitAA

四.根據(jù)句意和所給漢語提示,完成下列單詞。

1.That’sthemost_________(有用的)book.2.ItissaidthatThomasEdisonhad1,093_______(發(fā)明)duringhislifetime.3.——Whatisthiskindofmachineusedfor?——It’susedfor_________(聽)to

music.4.Ifyou______(加熱)theice,itwillsoonbecomewater.5.Childrenalsoneedtime_______(玩耍).useful

inventions

listening

heat

toplay五、句型轉(zhuǎn)換Thepersonalcomputerwasinventedin1976.(對劃線部分提問)___________thepersonalcomputer_______?2.Theshoeswithlightswereinvented

byJulieThompson.(對劃線部分提問)_________theshoeswithlights__________?Whenwasinven