unit6sectiona（1a-1c）-【精彩課堂】九年級英語全冊課（人教版）

SectionAUnit6

Whenwasitinvented?1a-1cLearning

Aims一、功能：

Talkaboutthehistoryofinventions.二、常用詞匯和表達(dá)：

Learntousethewordsandphrases(heel,scoop,electricity,style)三、文化知識：

Knowmoreaboutthehistoryofinventionsandusethemcorrectly.afamousAmericaninventoraninventorinventionmorethan1,000inventionsEdisoninventedthelightbulbin1879.Lightbulbwasinventedin1879byEdison.一般過去時的被動語態(tài)的結(jié)構(gòu)為“was/were+及物動詞的過去分詞”。Leadin

FourgreatinventionsinChinapaper-makingprintinggunpowdercompassChineseinventedthefourgreatinventions.Thefourgreatinventions________________Chinese.wereinventedbyChineseancientinventions.InventionPapermaking.madebyCaiLunInventionMovable-typePrintingmadebyBiShengChineseancientinventions.InventionCompassmadeby

?InventionGunpowermadebyalchemists(accidental意外的)DiscussionWhenweretheyinvented?Whoweretheyinventedby?papermaking\105B.C.

printing\1041-1045compass11thCenturygunpower9thCenturyHanDynastySongDynastyWhenwas...invented?Whowas...inventedby?Whatis...usedfor...?Itwasinventedin....Itwasinventedby....Itisusedfor....Ifyouareaskedtochoosethreeproducts,whatwillyouchoose?Theseinventionshaschangedourlifealot.Doyouknowthehistoryoftheseinventions?KarlBenz

invented

thecar.______wasinvented

by_______.ThecarKarlBenzBell

invented

thetelephone.__________wasinvented

by___.ThetelephoneBellLookatthethings.Inwhatorderdoyouthinktheywereinvented?A:IthinktheTVwasinvented

beforethecomputer.B:Well,IthinktheTVwasinvented

afterthecomputer.1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].2314Listenandmatchtheinventionswiththeyears.______1876______1885______1927______1971dacb1a1b1b1.Whenwerethecarsinvented?A.In1876.B.In1885.C.In1927.2.Whatwasinventedin1876?A.Thetelephone.B.TheTV.C.Thecar.3.Whenwerethepersonalcomputersinvented?A.In1885.B.In1927.C.In1971.Listenagainandanswerthequestions.a.needtotakeahistoryclassb.Myfamilyhadacar.c.havemoderninventionsd.wereinventede.couldn’taffordone.Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidn’t___________likeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasinventedin1876.You_________,Alice!Alice:Ha,ha!Howaboutcars?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin1885.__________.Alice:Well,didyouhaveaTV?Grandma:No,we_________.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.Alice:Well,Iknowthatyoudidn’thaveacomputerbecausewelearnedinschoolthatpersonalcomputers_________in1971.Grandma:You’reright.ButIhaveonenow!cabed

Alice:Wasyourlifevery_________whenyouwereakid?Grandma:Oh,_________.Why?Alice:Well,youdidn’thavemoderninventionslikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephone___________in_____.Youneedtotakea_______class,Alice!

Alice:Haha!Howabout____?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin_____.Myfamilyhadacar.

Alice:

Well,

did

you

have

a

____?Grandma:

No,

we

couldn’t

______

one.

They

were________

in

those

days.

The

TV

was

invented

around

______,

I

think.

Alice:

Well,

I

know

that

you

didn’t

have

a

________because

we

learned

in

schoolthatpersonal

computers

were

invented

in

______.

Grandma:

You’re

right.

But

I

have

one

now!

difficultnotreallywasinvented1876historycars1885TVaffordexpensive1927computer1971Listenandfillintheblanks.While-listeningAccordingtowhatyouhavelistened,answerthequestionsbelow.

1.Whatdidthegrandmahavewhenshewasyoung?2.Whydidn’ttheyhaveatelevisionatthattime?3.Doesgrandmahavepersonalcomputernow?

Telephoneandcar.

Becauseitwasexpensive.

Yes,shedoes.

StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.1cA:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.看圖用beusedfor造句。computertelephonescissorsTVkeyboardA:When____thetelephone_______?B:Ithinkitwas________

_____1876.wasinventedinventedinA:Whenwasthecarinvented?B:Ithinkit___________1930.

A:When____theTV_________?B:Ithinkitwasinvented

in1927.A:Whenwasthecomputerinvented?B:Ithinkit_____________in1976.PracticeCompletethesentencesandthenpracticeinpairs.wasinventedinwasinventedwasinventedPairworkNameWhenWhoWhatTheumbrella1000BCLuBan’swifeKeepingouttherainThecamera1839DaguerreTakingphotosThecar1885KarlBenzTravellingThemobilephone1973MartinCooperTalkingwithpeopleA:Whenwastheumbrellainvented?B:Itwasinventedin1000BC.A:Whowasitinventedby?B:ItwasinventedbyLuBan’swife.A:Whatisitusedfor?B:It’susedforkeepingouttherain.PairworkA:Whenwasthe…invented?B:Itwasinventedin…A:Whowasitinventedby?B:Itwasinventedby…?A:Doyouknowwhatitisusedfor?B:Itisusedfor...KarlBenz

in1885

in1971JohnAtanasoffin1876BellJ.L.Bairdin1927in1839LuisChineseinventionspapermakinggunpowder['g?npa?d?(r)]printing['printi?]

compass['k?mp?s]=

CaiLuninventedthepapermaking.

ThepapermakingCailun.wasinventedbyWhowasthepapermakinginvented

by?ItBiSheng.

wasinventedbyTheyChinesepeople.

wereinventedby一般過去時的被動語態(tài)主動語態(tài)變?yōu)楸粍诱Z態(tài)的步驟:把原句中的賓語轉(zhuǎn)換為主語.2.把動詞改為被動形式,即“was/were+過去分詞”

.注意be動詞要按新的主語的人稱和數(shù)進(jìn)行變化,時態(tài)要和原來的主動語態(tài)的時態(tài)保持一致.3.原來主語,如果需要,就放在by后面以它的賓格形式出現(xiàn).如果沒有必要就可以省略.其他的成分

(定語,狀語)不變,句式也不能變.Language

pointsThepassivevoice.被動語態(tài)主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主語謂語動詞過去時賓語時間狀語主語謂語動詞的過去分詞賓語時間狀語

請把下列的主動句變?yōu)楸粍泳洌ㄗ⒁鈺r態(tài)的一致）1.Jackwateredtheflowersyesterday.Theflowerswerewatered

byJackyesterday.

2.Marysenttwoe-mailsyesterday.Twoe-mailswere

sentbyMaryyesterday.4.Edisoninventedthelightbulbin1879.

Thelightbulbwasinvented

byEdisonin1879.3.Hedidn’tseethefilmlastnight.Thefilmwasn’tseenbyhimlastnight.Exercise1.invent

v.

發(fā)明

指經(jīng)過認(rèn)識和實踐創(chuàng)造出前所未有的事物。?Edisoninventedthelightbulb.愛迪生發(fā)明了電燈泡。invention和inventor都是名詞，

前者意為“發(fā)明”，后者意為“發(fā)明家”。LanguagepointsLanguagePointsdiscover,invent和find都是動詞,它們的詞義相近,但是有區(qū)別:★discover意為“發(fā)現(xiàn)”,指發(fā)現(xiàn)某種本來存在,但以前未被發(fā)現(xiàn)或未為人所知的事物或現(xiàn)象。?Thelostbikewasdiscoveredatthebusstop.

丟了的自行車發(fā)現(xiàn)在公共汽車站那兒。?LaterIdiscoveredthathewassokind.

后來我發(fā)現(xiàn)他如此善良。知識鏈接★invent

意為“發(fā)明”,指發(fā)明以前不存在的東西。?Doyouknowwhoinventedthecomputer?

你知道誰發(fā)明的電腦嗎？★find意為“找到,發(fā)現(xiàn)”,指偶然發(fā)現(xiàn)或幾乎沒有困難地發(fā)現(xiàn)。?Ifoundsomeoldphotosinthatdrawer.

我在那個抽屜里發(fā)現(xiàn)了一些舊照片。

discover,invent和find我都學(xué)會了!本課句型Summaryheel,electricity,style,scoop.Structure:Passivevoiceofthepasttense1.A:Whenwasthecarinvented?B:Itwasinventedin1885.2.A:Whataretheyusedfor?B:They’reusedforseeinginthedark.Keywords:Keysentences:(一）單項選擇

（

）1.Thekindofcupisused__________drinking.

A.to

B.as

C.by

D.for

（

）2.Thetelephone________bythewell-knownscientist,AlexanderGrahamBell.A.inventedB.InventingC.wasinventedD.invent

（

）3.Ithinktheshortstory_________byLuXun.

A.iswriting

B.iswritten

C.written

D.waswritten

（

）4.--Who________theelectriclightbulb______?

—Edison.

A.was;invented

B.is;invented

C.was;Inventedby

D.did;inventedbyDCDCExercises二.根據(jù)句意和所給漢語提示,完成下列單詞的拼寫。1).Edison_________theelectriclamp.2).Ilostmynecklacelastnight.Ihaven’t________it.3).Who___________Americafirst?4).Thetelephone_______________in1876.5).Childrenalsoneedtime________(玩耍).inventedfounddiscoveredtoplay

was