人教版九年級(jí)英語上冊(cè) （When was it invented）SectionA 課件(第1課時(shí))

Unit6Whenwasitinvented?SectionA第1課時(shí)

情景導(dǎo)入T：Therearemanyusefulthingsintheworld.Theyhelpusalotinlife.(Showsomepicturesonthescreen)Whenweretheyinvented?S1：Thetelephonewasinventedin1876.S2：Thecomputerwasinventedin…單詞展示n.勺；鏟子scoopn.高興；愉快pleasuren.拉鏈；拉鎖zipper生成新知Doyouknowthem?Whenweretheyinvented?Whoweretheyinventedby?Talkabouttheinventions(發(fā)明).Whichonedoyouthinkisthemosthelpfulinourdailylife?calculatorcarcellphoneradio1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1–4](1=first,4=last).2314IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.1bListenandmatchtheinventionswiththeyears.____1876____1885____1927____1971dacb

Alice:Wasyourlifevery_______whenyouwereakid?Grandma:Oh,_________.Why?Alice:Well,youdidn’thavemoderninventionslikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephone___________in_____.Youneedtotakea_______class,Alice!difficultnotreallywasinvented1876historyTapescripts

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

Alice:

Well,

did

you

have

a

____?

cars1885TVGrandma:

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!affordexpensive1927computer19711兩個(gè)數(shù)字一組，分為前后兩組1865eighteensixtyfive1989eighteenhundred1900531fivehundredandthirty-onetwothousand2001twothousandandonenineteeneightyninenineteenhundred年份的讀法3前兩個(gè)數(shù)字不為零，后兩個(gè)數(shù)字為零。2千年的讀法4非四位數(shù)的年份的讀法StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Whenwasthetelephoneinvented?Ithinkitwasinventedin1876.1cWhenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.情景表演Whenwasthecomputerinvented?Itwasinventedin1971.2aListenandnumbertheinventions[1-3]intheorderyouhearthem.___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity1322bListenagainandcompletethechart.InventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamchangingservinginthedarkAlex:

Hi,

Carol.

Wow,

what

are

those?

Carol:

Hello,

Alex.

Oh,

these

are

some

of

the

interesting

inventions

that

I’m

writingabout

for

my

English

homework.

Alex:

I

see…What’s

that,

then?

Carol:

They’re

shoes

with

lights.

You

use

them

for

seeing

in

the

dark

when

you

get

up

at

night.

Tapescripts

Alex:

Oh,

that’s

a

cool

idea!

I

always

hit

my

toe

against

something

on

the

way

to

the

bathroom

at

night.Carol:

Next

is

a

special

ice-cream

scoop.

This

is

my

favoriteinvention.

It

runs

on

electricity

and

becomes

hot.

Alex:

I

know

what

it’s

for!

It’s

used

for

serving

really

cold

ice-cream.

Carol:

Yes,

that’s

right!

The

last

invention

I’m

going

to

writeabout

is

shoes

with

special

heels.

You

can

move

the

heels

up

and

down.

Alex:

What

are

they

used

for?

Carol:

Well,

you

can

change

the

style

of

your

shoes.

You

can

raise

the

heels

if

you

are

going

to

a

party

or

lower

them

if

you

are

just

going

out

for

shopping.

被用來……Thefirstinventionisshoeswith________.Peoplealwayshittheirtoesagainst__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Thesecondinventionisahotice-cream______.Itrunson_________andbecomeshot.It’s_____forservingreally_____ice-cream.Listenagainandfillintheblanks.somethingseeingdarklightsscoopelectricityusedcoldThelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoa______or______themifyouarejustgoingoutfor_________.heelsdownupraisepartylowershopping2cMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?They’reusedforseeinginthedark.They’reusedforchangingthestyleoftheshoes.情景表演Whatarehotice-creamscoopusedfor?Whatareshoeswithspecialheelsusedfor?They’reusedforservingforreallycoldice-cream.Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Mypleasure!Letmethink…h(huán)mm…Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!Paul:Well,youdoseemtohaveapoint…Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.

Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.Readthepassagequicklyandanswerthequestions.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?

3.WhydoesRoythinkitisagreatinvention?Smallinventionsthatchangedtheworld.Thezipper.Becauseitisoftenusedinourdailylives.4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?WhitcombJudsonin1893.Around1917.WhitcombL.Judson

(1846–1909)wasan

American

machinesalesman,mechanicalengineerandinventor.Hedevelopedandinventedthezipperin1890.

拓展閱讀問題探究▲辨析invent/discover/find/findout①

invent意為“發(fā)明；創(chuàng)造”，主要指通過想象、研究、勞動(dòng)等創(chuàng)造出前所未有的東西，尤指科技上的創(chuàng)造發(fā)明。②

discover指發(fā)現(xiàn)或偶然發(fā)現(xiàn)本身就存在但未被認(rèn)識(shí)的事物。③

find強(qiáng)調(diào)找的結(jié)果，即“找到”，通常指偶然發(fā)現(xiàn)。④

findout指經(jīng)過觀察、調(diào)查，把某事物查出來，意為“搞清楚；弄明白”。隨堂練習(xí)Ⅰ.根據(jù)句意及漢語提示完成句子。1．IlikethecolorofthiscoatbutIdon'tlikeits____(款式)．2．It'smygreat________(高興)tohaveatalkwithyou.3．Thelittleinventionshavehelpedmealotinmy____(日常的)life.4．Juliaintroducedagood_______(網(wǎng)站)tometolearnEnglish.5．Mymotheralways_____(列清單)allthingsthatshewantstobuybeforeshopping.stylepleasuredailywebsitelists1.Thepersonalcomputerwasinventedin1976.(對(duì)劃線部分提問)____________thepersonalcomputer________?2.TheshoeswithlightswereinventedbyJulieThompson.(對(duì)劃線部分提問)___________theshoeswithlights____________?WhenwasinventedWhowereinventedbyⅡ.句型轉(zhuǎn)換3.Knivesareusedforcuttingthings.(對(duì)劃線部分提問)______________knives______________?4.AChinesenamedCaiLuninventedpaper.(改為被動(dòng)語態(tài))Paper_______________aChinesenamedCaiLun.Whatareusedforwasinventedby

SectionA第2課時(shí)

Unit6Whenwasitinvented?

一、在語境中理解、掌握以下詞匯：nearly,ruler,boil,remain,smell,national,trade,doubt,takeplace,not...until;byaccident二、通過學(xué)習(xí)，掌握以下句型：1.Itissaidthat....2.Itisbelievedthat...3.Teadidn'tappearuntilaround1660.三、通過閱讀文章，進(jìn)一步理解被動(dòng)語態(tài)表達(dá)發(fā)明和創(chuàng)造的方法。四、運(yùn)用略讀，找讀的閱讀策略快速了解文本大意；通過細(xì)讀完成閱讀；通過研讀文本，學(xué)會(huì)自主學(xué)習(xí)。五、通過閱讀文章，進(jìn)一步了解中國(guó)五千年博大精深的文化，激發(fā)學(xué)生創(chuàng)新能力。Irelaxby__________drinkingteaHowdoyourelax?Irelaxby________Anaccidental(意外的)invention?teaHowwasteainvented?A.Itwasinventedonpurpose(專門地)B.ItwasinventedbyaccidentPara.1Para.2Para.3InventionofTeaBookofTeaSpreadofTeaskimming:Readthepassagequicklyandmatcheachparagraphwithitsmainidea.Scanning:readagainquicklyandtrytofindtheanswer.

Whowastheteainventedby?ShenNongaChineserulerLiShiministherulerofTangDynastyQianLongistherulerofQingDynastyWhatWhenWhereWhoHowInventionCarefulreading:Para1andfinishthemindmapteaShenNongbyaccidentInChinaAbout5,000yearsagoHowdidShenNongdiscovertea?anopenfireTellthestory:howwasteainventedOneday，ShenNongwasboilingdrinkingwateroveranopenfire.TellthestorySomeleavesfromateaplantfellintothewaterandremainedthereforsometime.Itproducedanicesmellsohetastedthebrownwater.Itwasquitedelicious,andso,oneoftheworld’sfavoritedrinkswasinvented.MissionABasiclevelOneday,ShenNongwas…overanopenfire.Someleaves…thewaterand…thereforsometime.It…anicesmellsohe…thebrownwater.Itwasquite…,“Wow,it’sso…!”

MissionBNokeywordsRetell(復(fù)述)thestoryComeonChaJingLuYuPara.2thesaintofteaReadpara.2andtick(√)the

contents(內(nèi)容）

of

the

book.Whatisthisbookabout?It’sabout…Content()()howteaplantsweregrown()howteaplantswereused()wherethefinestleaveswereproduced()howpeopledranktea()whatkindsofwaterwereused()whyteawasgoodforpeople’shealth√√√√countrytimeChinaKoreaJapanduringthe6thand7thcenturiesEnglandaround1660PopularityofTeaItisbelievedthatteawasbroughttoKoreaandJapanduringthe6thand7thcenturies

Para.3InEngland,teadidn’tappearuntilaround1660,butinlessthan100years,ithadbecomethenationaldrinkTeadidn’tbecomethenationaldrinkuntilaround1860inEnglandthenationaldrinkTrueorFalse.Q2:Who

knowsaboutteabest?TheChinesearewithoutdoubttheoneswhobestunderstandthenatureofteainringwhat________;who____where(country)_______How:ShenNongwas________drinkingwater,someleaves__________thewaterand______thereforsometime.It__________apleasantsmell.ShenNong_________thebrownwater.Today:Oneoftheworld'sfavorite________wasinvented.Popularity:TeawasbroughttoKoreaandJapanduring_______________.Teadidn'tappearuntilaround_____________.TheteatradefromChinatoWesterncountriestookplaceinthe_______.Challenge