Unit6SectionA1a-2d课件人教版英语九年级全册

Unit6Whenwasitinvented?SectionA1a--2d

FourgreatinventionsinChinapaper-makingprintinggunpowdercompassChineseinventedthefourgreatinventions.Thefourgreatinventions________________Chinese.wereinventedbyDiscussionWhenweretheyinvented?Whoweretheyinventedby?papermaking\105B.C.

printing\1041-1045compass11thCenturygunpower9thCenturyHanDynastySongDynastyWhenwas...invented?Whowas...inventedby?Whatis...usedfor...?Itwasinventedin....Itwasinventedby....Itisusedfor....两个数字一组，前后两组11865eighteensixtyfive19893前两个数字不为零，后两个数字为零。

eighteenhundred19004非四位数的年份的读法531fivehundredandthirty-onetwothousand2001twothousandandonenineteeneightyninenineteenhundred2千年年份读法Canyouguesswhatmoderninventionstheyare?[ˈmɒdn]adj.现代的，近代的，时髦的calculatorjuicerLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1aA:Ithinkthe...wasinventedbefore/afterthe....B:Well,Iagreewith....Besides,Ithinkthe...wasinventedbefore/afterthe....C:Well,Idon'tthinkso.Ithink...wasinventedbefore/afterthe....Listenandmatchtheinventionswiththeyears.______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-listeningWhataretheytalkingabout?Didtheolderladyhaveaphone?Wasthecarinventedbeforethetelevision?Whydidn’ttheolderladyhaveaTV?Canyouguesswhentheolderladywasborn?一般过去时的被动语态：was/were+及物动词-ed形式Listenandrepeat.Post-listeningA:When____thetelephone_______?B:Ithinkitwas________

_____1876.wasinventedinventedinA:Whenwasthecarinvented?B:Ithinkit___________1930.

A:When____theTV_________?B:Ithinkitwasinvented

in1927.A:Whenwasthecomputerinvented?B:Ithinkit_____________in1976.PracticeCompletethesentencesandthenpracticeinpairs.wasinventedinwasinventedwasinventedPairworkA:Whenwasthe…invented?B:Itwasinventedin…A:Whowasitinventedby?B:Itwasinventedby…?A:Doyouknowwhatitisusedfor?B:Itisusedfor...KarlBenz

in1885

in1971JohnAtanasoffin1876BellJ.L.Bairdin1927in1839LuisiphoneinventionJobsinventorJobs

invented

theiphone.Theiphonewasinvented

byJobs.whatwhowasitinventedby?inventionwhydidheinventtheiphone?Ithinkitis

usedfortalkingwithpeople.PracticeWhenwasthecarinvented?19761885Whatisitusedfor?It’susedfor

carryingpeople.Ithinkitwasinventedin1885.Whenwasthecomputerinvented?Ithinkitwasinventedin…Whatisitusedfor?It’susedfor

…Rules:StudentAcomestotheblackboard,anotherstudentdescribes(描述)theinvention.StudentAguesseswhatitis,using“Isita/an…?”Remember!Don’tmention(提到)thenameoftheinventions.Guessinggame你来描述我来猜inventionwhenwhywhowherehowTheinventionwasinvented

in

______.Itwasinvented

by____________.Itisused

for_________________________________________.Guessinggame“Isita/an…?”…1903twobrotherstakingpeoplefromoneplacetoanotherinventionwhen:who:how:“Isita/an…?”inventionwhen:who:how:Itwasinvented

in________.…Itisused

for_____________.…1880/anEnglishman1976;America1876Tobeasmallinventor成为小小发明家MikehomeworkrobotGroupworkwhyinventionproblemname…usefor…What’syourproblem?Whatdoyouwanttoinventmost?doinghomeworkforMikenotwanttodohomeworkDiscuss:提示词：machine机器Tobeasmallinventor成为小小发明家MikeGroupworkwhyourinventionproblemname…usefor…Reportlikethis:Inourgroup,wewanttoinventonethingwhichiscalled….Itisusedfor…,becausewe(don’t)wantto….Withthisinvention,wewillbeableto….Noinventions,nolife!Webelieveinventionswillmakeourlife…homeworkrobotYearInventionInventor(s)1902AirconditionerWillisCarrie1903Gas-motoredandmannedplaneWrightbrothers1910ThefirsttalkingfilmThomasEdison1923TelevisionLogieBaird1928Penicillin(青霉素)AlexanderFleming1937Photocopier(影印机)ChesterFCarlson1940ColourtelevisionPeterGoldmark1942ElectricdigitalcomputerAmericanscientists1945AtomicbombAmericanscientists1950CreditcardsRalphSchneider1985WindowsOSMicrosoftCompany1990WorldWideWebTimBerners-Lee1.invent

v.

发明

指经过认识和实践创造出前所未有的事物。►Edisoninventedthelightbulb.爱迪生发明了电灯泡。invention和inventor都是名词，

前者意为“发明”，后者意为“发明家”。LanguagepointsLanguagePointsdiscover,invent和find都是动词,它们的词义相近,但是有区别:★discover意为“发现”,指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。►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。知识链接★invent

意为“发明”,指发明以前不存在的东西。►Doyouknowwhoinventedthecomputer?

你知道谁发明的电脑吗？★find意为“找到,发现”,指偶然发现或几乎没有困难地发现。►Ifoundsomeoldphotosinthatdrawer.

我在那个抽屉里发现了一些旧照片。

discover,invent和findⅠ.根据句意和所给汉语提示,完成下列单词的拼写。1).Edison_________theelectriclamp.2).Ilostmynecklacelastnight.Ihaven’t________it.3).Who___________Americafirst?4).Thetelephone_______________in1876.5).Childrenalsoneedtime________(玩耍).inventedfounddiscoveredtoplay

wasdiscovered

Exercises

Ⅱ.根据汉语提示完成单词。

1.That’sthemost_________(有用的)book.2.ItissaidthatThomasEdisonhad1,093___________(发明)duringhislifetime.3.—Whatisthiskindofmachineusedfor?—It’susedfor__________(听)to

music.

useful

inventionslistening

Ⅲ.句型转换。1.Thepersonalcomputerwasinventedin1976.(对划线部分提问)_______________thepersonalcomputer___________?2.TheshoeswithlightswereinventedbyJulieThompson.(对划线部分提问)__________________theshoeswithlights______________?AChinesenamedCaiLuninventedpaper.(改被动语态)Paper_____________________aChinesenamedCaiLun.WhenwasinventedWhowereinventedbywasinventedbyⅣ.看图完成句子。1.(1885,invented)

Cars________________in1885.2.(around1927,invented)

TheTV______________around1927.wereinventedwasinvented3.

(1971,invented)Thepersonalcomputer__________________1971.4.(1896，invented)

Thetelephone_________________________.wasinventedinwasinventedin1896中考链接Paper____first_____abouttwothousandyearsagoinChinabyCaiLun.is;inventing B.is;inventedC.has;invented D.was;invented纸在两千多年前被发明，要用一般过去时的被动语态。√It’sbecauseweneedthings,wehavesomanygreatinventions.有需要才有发明。Ifwearegoodatobservingandthinking,everyonecanbeinventorsinourlives.如果我们善于观察，勤于思考，每个人都能成为生活中的发明家。Let'sbeobserversoflife!Futureinventions!shoeswithspecialheelsshoeswithlightshotice-creamscoop带特殊鞋跟的鞋发光的鞋冰激凌加热勺,靠电力驱动lowheelhighheelscoopLookatthepicturebelow.Whatarethethingsonthetable?Pre-listeningListenandnumbertheinventions[1-3]intheorderyouhearthem.1321b2aInventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamListenagainandcompletethechart.changingservinginthedarkn.样式;款式2bThefirstinventionisshoeswith________.Peoplealwayshittheirtoesagainst__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfillintheblanks.somethingseeingdarklightsThesecondinventionisaspecialice-cream______.Itrunson_________andbecomeshot.It’s_____forservingreally_____ice-cream.Thelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoapartyor______themifyouarejustgoingoutforshopping.scoopelectricityusedcoldheelsupdownraiselowerA:

Hi!Whatisit/aretheycalled?B:It’s/They’recalled...A:

What

isit/aretheyusedfor?B:It's/They'reusedfor…

hotice-creamscoopshoeswithspecialheelsshoes

withlightsMakeconversationsusingtheinformationin2b.2cPost-listeningItwasinventedby________.Who

was

___________inventedby?BellWhatisitusedfor?Ithinkitisusedfor_________________.talkingwithpeopleWhatisitusedfor?Ithinkitisusedfor_________________.Itwasinventedby___________.CarlBenzWho

was

___________inventedby?Whatare

theyusedfor?Ithinktheyareusedfor_________________.seeinginthedarkTheywereinventedby___________.EdisonWho

were

___________inventedby?travelingPost-listeningFillintheblanksandthenaskandanswerinpairs.BellCarlBenzEdisonInventionInventorTimeUsage(用途)lightbulbEdison1830givinglightcameraaFrenchman1837takingpicturesbikeanEnglishman1839ridingbasketballJamesNaismith1861PlayingplanetheWrightbrothers1903travelingcomputeranAmerican1976gettinginformationtheiphoneJobs2007talkingwithpeopleGroupworkA:Whenwas/werethe….Invented?B:Itwas/Theywereinventedin…A:Whowas/werethe…inventedby?B:Itwas/Theywereinventedby…A:Whatisit/aretheyusedfor?B:It’s/They’reusedfor…Makeupaconversationaccordingtothetable.Report:Inmygroup,myfavoriteinventionis____.Ithinkitis______.Itwasinventedin_____by______.It’susedfor_____.Tom’sfavoriteinventionis_____.Hethinksitis____.Itwasinventedin_____by______.It’susedfor______...….

What’syourfavoriteinvention?Whenwasitinvented?Whowasitinventedby?What’situsedfor?Talkaboutthesequestionsingroups.Haveyoueverthoughtofinventinganythingbyyourselftomakeyourlifeeasier?CreativedesignerWhatdoyouthinkisveryinterestingtoinvent?Whydoyouwanttoinventit?Canyoudrawitandtelluswhatitlookslike?Whatcanitbeusedfor？Report:Iwanttoinventthiskindofmachine.BecauseIamlazy.Idon'twanttogetupearlyeverymorning.Ifthealarmo'clockgoesoff,wecanbewokenupbyitsmechanical(机械的）arm.Soitcanbeusedforwakingmeup.Therearenoproblemsonlyopportunitiestobecreative.Smallinventionscanreallychangetheworld!Whatsmallinventionscanyouthinkof?2dWhat’sthis?zippern.拉链；拉锁Wherecanyouseeit?pantstrousersbagsbackpackdressersshoessuitcasepencilcaseWatchthevideo4.Whowasthezipperinventedby?

5.Whenwasthezipperinvented?

6.Whenwasitfirstusedwidely?

Read2dandanswerthefollowingquestions.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?

3.WhydoesRoythinkitisagreatinvention?Smallinventionsthatchangedtheworld.Thezipper.Becauseitisoftenusedinourdailylives.ItwasinventedbyWhitcombJudson.Itwasinventedin1893.Itbecamepopularinaround1917.Paul:HeyRoy,thesubjectformyschoolprojectis

“Smallinventionsthatchangedtheworld”.Canyouhelpmethinkofaninvention?Roy:Withpleasure!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.n.

项目；工程adj.

每日的；日常的有道理pioneern.先锋；先驱n.网站它提到……Role-playtheconversation.很乐意Top10“inventions”thatchangedtheworld1.GPSTechnology2.TheSonyWalkman3.TheBarcode(条形码)4.TVDinners(冷冻快餐)5.PlayStation(家庭电视机游戏)8.ElectronicMoney6.SocialNetworking7.Textmessages9.Microwaves10.TrainersGreatinventionsmakeourlife______________________________________Withoutinventions,ourlifewillbemoredifficultandlesspleasant.conclusionNoinventions,nolife!创造使生活更美好！mucheasierandmorecomfortable.1.Whataretheyusedfor?它们是用来做什么的？

beusedforsth./doingsth.意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于beusedtodosth.►Clothesareusedforkeeping(=tokeep)warm.►Woodcanbeusedforbuilding(=tobuild)houses.►Thestickisusedtowriteontheblackboard.LanguagePoints

usedtodosth.意为“过去常常做某事”。►IusedtosmokewhenIwasyoung.usesth.todosth.意为“使用某物来做某事”,其被动结构为“sth.beusedtodosth.”。

►Theseknivesareusedtocutpies.beusedas意为“被用作……，被作为……使用”。►EnglishisusedasaforeignlanguageinChina.beusedby意为“被……使用”。►Rubbersareoftenusedbystudentstocorrectmistakes.2.—Canyouhelpmethinkofaninvention?

—Mypleasure!Mypleasure也可说成It’sa/mypleasure.或Apleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。►—

Willyoupleasehelpmetakethebookstotheclassroom?

请你帮我把这些书带到教室里去好吗？

—Mypleasure./It'sapleasure.愿为你效劳。pleasure​n.愉快；高兴►Iwillrememberthismeetingwith

pleasure.我会愉快地记着这次的会晤。►Itisa

pleasure

toworkwithyou.和你一起工作真是件乐事。at(one’s)pleasure随便►Youarefreetocomeandgoatyourpleasure.来去自由,悉听尊便。takepleasurein以某事为乐，喜欢做某事withpleasure愉快地，高兴地，没问题3.Well,youdoseemtohaveapoint…(1)youdoseemtohaveapoint…

是个强调句，用“助动词do+谓语动词原形”的结构。►DoStayforsupper!一定要留下吃晚饭！►Hedidcomehereyesterday.他昨天的确来这儿了。►Docometomybirthdayparty.一定要来我的生日聚会。(2)haveapoint有道理►Iguessyou

haveapoint

there.

我想你说的有道理。►Strangely,bothofthemmayhaveapoint.奇怪的是,两个人似乎都有道理4.…itmentionedthatthezipperwas…

(1)mention表示“提到；提及”，是及物动词，其后接名词或代词作宾语时，无需用任何介词；另外注意不接双宾语。如：►Don’t

mention

thisproblemthisevening.

今晚别提这个问题。►Nobody

mentioned

thetimeofthismeeting.

谁也没有提到这次会议的时间。►Henevermentionedhistallfriendtome./Henevermentionedtomethathehadatallfriend.他从未向我提及他有个女朋友。（2）若后接动词，要用动名词，不能用不定式。►WheneverImenti