人教版九年级英语上册 （When was it invented）SectionA 课件(第1课时)

Unit6Whenwasitinvented?SectionA第1课时

情景导入T：Therearemanyusefulthingsintheworld.Theyhelpusalotinlife.(Showsomepicturesonthescreen)Whenweretheyinvented?S1：Thetelephonewasinventedin1876.S2：Thecomputerwasinventedin…单词展示n.勺；铲子scoopn.高兴；愉快pleasuren.拉链；拉锁zipper生成新知Doyouknowthem?Whenweretheyinvented?Whoweretheyinventedby?Talkabouttheinventions(发明).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!affordexpensive1927computer19711两个数字一组，分为前后两组1865eighteensixtyfive1989eighteenhundred1900531fivehundredandthirty-onetwothousand2001twothousandandonenineteeneightyninenineteenhundred年份的读法3前两个数字不为零，后两个数字为零。2千年的读法4非四位数的年份的读法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.

被用来……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…hmm…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.

拓展阅读问题探究▲辨析invent/discover/find/findout①

invent意为“发明；创造”，主要指通过想象、研究、劳动等创造出前所未有的东西，尤指科技上的创造发明。②

discover指发现或偶然发现本身就存在但未被认识的事物。③

find强调找的结果，即“找到”，通常指偶然发现。④

findout指经过观察、调查，把某事物查出来，意为“搞清楚；弄明白”。随堂练习Ⅰ.根据句意及汉语提示完成句子。1．IlikethecolorofthiscoatbutIdon'tlikeits____(款式)．2．It'smygreat________(高兴)tohaveatalkwithyou.3．Thelittleinventionshavehelpedmealotinmy____(日常的)life.4．Juliaintroducedagood_______(网站)tometolearnEnglish.5．Mymotheralways_____(列清单)allthingsthatshewantstobuybeforeshopping.stylepleasuredailywebsitelists1.Thepersonalcomputerwasinventedin1976.(对划线部分提问)____________thepersonalcomputer________?2.TheshoeswithlightswereinventedbyJulieThompson.(对划线部分提问)___________theshoeswithlights____________?WhenwasinventedWhowereinventedbyⅡ.句型转换3.Knivesareusedforcuttingthings.(对划线部分提问)______________knives______________?4.AChinesenamedCaiLuninventedpaper.(改为被动语态)Paper_______________aChinesenamedCaiLun.Whatareusedforwasinventedby

SectionA第2课时

Unit6Whenwasitinvented?

一、在语境中理解、掌握以下词汇：nearly,ruler,boil,remain,smell,national,trade,doubt,takeplace,not...until;byaccident二、通过学习，掌握以下句型：1.Itissaidthat....2.Itisbelievedthat...3.Teadidn'tappearuntilaround1660.三、通过阅读文章，进一步理解被动语态表达发明和创造的方法。四、运用略读，找读的阅读策略快速了解文本大意；通过细读完成阅读；通过研读文本，学会自主学习。五、通过阅读文章，进一步了解中国五千年博大精深的文化，激发学生创新能力。Irelaxby__________drinkingteaHowdoyourelax?Irelaxby________Anaccidental(意外的)invention?teaHowwasteainvented?A.Itwasinventedonpurpose(专门地)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(复述)thestoryComeonChaJingLuYuPara.2thesaintofteaReadpara.2andtick(√)the

contents(内容）

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