九年级 英语 上册《Unit 6 Section A (1a-1c)》课件

英语教学课件（RJ）Goforit!九年级（上）SectionA(1a-1c)Unit6Whenwasitinvented?LearningGoalsKeywords&phrases:

history,invent,inventionKeysentences:1.IthinktheTVwasinventedbeforethecar.2.Well,IthinktheTVwasinventedafterthecar.Studentscantalkaboutwhenanobjectwasinvented.Words&Expressionshistoryinventinventionn.

历史v.

发明，创造n.发明，创造WarmingupWhatarethepeopledoing?DoyouknowtheEnglishnamesofthefourgreatinventionsinancientChina?PrintingCompassPapermakingGunpowderAmongthefourgreatinventionsofChina,whichoneofthemwasinventedfirst?Whichoneofthemwasinventedlast?theWarringStatesPeriodEasternHanDynastyTangDynastyEasternJinDynastyInventionschangepeople’slives!Howdidthefourgreatinventionschangepeople’slivesinancientChina?Paperenabledthecreationoflightweightbooksanditwasabetterwayofkeepingrecords.Moveabletypeprintingmadethebooksprintedfaster.Compasswasusedforhamonizingpeople’slivesandenvironments.Weaponssuchasthefirearrowcanbemadeusingthegunpowder.Doyouknowanymoderninventions?1.Canyouguesswhichoneofthemwasinventedfirst?2.Whichoneofthemwasinventedlast?3.WastheTVinventedbeforethecarorafterthecar?Pre-listening1aPre-listeningLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last)A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.While-listening_____1876_____1885_____1927_____1971Whataretheytalkingabout?Canyoureadthenumbersthatrepresentdifferentyears?1bWhile-listening

Listenandmatchtheinventionswiththeyears._____1876_____1885_____1927_____1971abcddacbWhile-listeningDoyouknowwhoinventedthem?AlexanderBellKarlBenzJ.L.BairdJohnvonNeumannListenagainandanswerthequestions.1.Didtheolderladyhaveatelephone?2.Whydidn’ttheolderladyhaveaTV?3.Whydidn’ttheolderladyhaveapersonalcomputer?4.Canyouguesswhentheolderladywasborn?While-listeningListeningMaterialAlice:

Was

your

life

very

difficult

when

you

were

a

kid?

Grandma:

Oh,

not

really.

Why?

Alice:

Well,

you

didn’t

have

modern

inventions

like

a

telephone,

right?

Grandma:

Of

course

we

did!

How

old

do

you

think

I

am?

The

telephone

was

invented

in

1876.

You

need

to

take

a

historyclass,Alice!

Alice:

Haha!

How

about

cars?

They

weren’tinvented

yet,

were

they?

Grandma:

Yes,

they

were.

Cars

were

invented

in1885.

Myfamilyhad

a

car.

Alice:

Well,

did

you

have

a

TV?

Grandma:

No,

we

couldn’t

afford

one.

Theywere

expensive

in

those

days.

The

TV

was

inventedaround1927,

I

think.

Alice:

Well,

I

know

that

you

didn’t

have

a

computer

because

we

learned

in

school

that

personal

computers

wereinvented

in

1971.

Grandma:

You’re

right.

But

I

have

one

now!Post-listening1cA:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Post-listening*moremoderninventionscanbetalkedaboutin1cThomasEdison1879Wrightbrothers1903AlessandroVlota1799Post-listeningHowdidtheseinventionschangepeople’slives?FreeTalk!LanguagePoints①IthinktheTVwasinventedbeforethecar.（教材P41）invent

v.

“发明”，指经过认识和实践创造出前所未有的事物。invention和inventor都是名词，

前者意为“发明”，后者意为“发明家”。e.g.Edisoninventedthelightbulb.

爱迪生发明了电灯泡。【拓展】辨析：discover,invent和finde.g.Thelostbikewasdiscoveredatthebusstop.

丢了的自行车发现在公共汽车站那儿。

LaterIdiscoveredthathewassokind.

后来我发现他如此善良。Doyouknowwhoinventedthecomputer?

你知道谁发明的电脑吗？Ifoundsomeoldphotosinthatdrawer.

我在那个抽屉里发现了一些旧照片。Exercises根据句意填写恰当的单词。1.Edison_________theelectriclamp.2.Ilostmynecklacelastnight.Ihaven’t________it.3.Who___________Americafirst?4.Thetelephone_______________in1876.inventedfounddiscoveredwasinvented

句型转换1.Thepersonalcomputerwasinventedin1976.(对划线部分提问)_______________thepersonalcomputer___________?2.TheshoeswithlightswereinventedbyJulieThompson.(对划线部分提问)__________________theshoeswithlights______________?AChinesenamedCai