Unit6SectionA1a-2d课件人教版九年级英语全册

Unit

6SectionA(1a-2d)--Thefourgreat

inventions

ofChinagunpowderpaper-makingprintingcompass--paper105B.C.（公元前）

printing1041-1045Itwasinvented…When

were

they

invented?--compass11thCenturygunpowder9thCenturyItwasinvented…Whenweretheyinvented?--carcalculatortelephoneTV--1aLookatthepictureWhatcanyouseeinthepicture?Canyouguesswhichoneofthemwasinventedfirst?Whichoneofthemwasinventedlast?WastheTVinventedbeforethecarorafterthecar?--carin1885computer（calculator）in1971Itwasinvented…--telephonein1876TVin1927Itwasinvented…--1b

ListenandfindouttheanswerWhataretheytalkingabout?Theyaretalkingaboutthetimeoftheinventions.--1b

Listenandmatchtheinventionswiththeyears._____

1876_____

1885_____

1927_____

1971dacb--Listenagainandanswerthequestions.Didgrandma’sfamilyhaveacar?Didgrandma’sfamilyhaveaTV?Why?/Whynot?Yes,theyhadacar.No,theydidn’thaveaTVbecausetheycouldn’taffordone.--Makeasimilarconversationwithyourpartnerusingthe1basamodel.Pair

Work--Baird1927Bell1876A:

When

was

the

TV

invented?B:

It

wasinventedin

1927.A:

Who

was

it

inventedby?B:It

wasinventedbyBaird.--T:What’sthiscalledinEnglish?S:It’scalledatelephone.T:Whenwasthetelephoneinvented?S:Itwasinventedin1876.T:

Who

was

it

invented

by?S:

It

was

invented

by

Bell.--A:What’sthiscalledinEnglish？B:It’scalledaTV.A:WhenwastheTVinvented?B:Itwasinventedin1927.A:

Who

was

it

invented

by?B:

It

was

invented

by

Baird.--1.inventv.

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”。Languagepoints--1.Edison_________theelectriclamp.2.Ilostmynecklacelastnight.Ihaven’t________it.3.Who___________Americafirst?inventedfounddiscovered用discover，invent和find填空4.Thetelephone_________in1876.

wasinvented--1885HenryFord197119761907WrightCrayBillHewlett--

看图完成句子。1.(1885,invented)Cars______________in1885.2.(around1927,invented)TheTV______________around1927.wereinventedwasinvented--3.(1971,invented)Thepersonalcomputer______

______

______1971.4.(1896，invented)Thetelephone_______

______

______

______.wasinventedinwasinventedin1876--heelscoop--Sheiswearinghighheels.

--She

isscooping

byusingthescoop.Thescoop

isusedfor

scooping.--Whatcanyouseeinthepicture?Whatistheboydoing?Whatisthegirldoing?Whatisthescoopusedfor?Whataretheshoesusedfor?--2a

Listenandnumbertheinventions[1-3]

intheorderyouhearthem.123--2bListenagaincompletethechartbelow.________thestyleoftheshoeshotice-creamscoopseeing_____________shoeswithlights_______reallycoldice-creamshoeswithspecialheelsWhatisit/aretheyusedfor?Inventionchanginginthedarkserving--Listenandanswerquestions.WhichisCarol’sfavoriteinvention?WhatisCarolwritingaboutforherEnglishhomework?Herfavoriteinventionisaspecialice-creamscoop.

SheiswritingaboutinterestinginventionsforherEnglishhomework.--Makeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedforseeinginthedark.Pair

Work2c--2.beusedfor...被用来……是由“usesth.forsth./doingsth.”结构转变而来,介词for在这里表示用途或作用,后面可以接名词、代词或动词-ing形式。Thismachinecanbeusedforcuttinggrass.这个机器可以用来割草。2dPaul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld".Canyouhelpmethinkofaninvention?Roy:Withpleasure!Letmethink...hmm...Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabout

howoftenit'susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags...almosteverywhere!Paul:Well,youdoseemtohaveapoint.Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn'tusedwidely.Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.--3.Well,youdoseemtohaveapoint…youdoseemtohaveapoint…是个强调句，用“助动词do+谓语动词原形”的结构。Hedoesworkhard.Ididseehiminthemall.--haveapoint有道理Iadmit(that)you

haveapoint.

我承认你有理。Iguessyou

haveapoint

there.

我想你说的有道理。--4.…itmentionedthatthezipperwas…mentionv.提到；说到Didshementionittothepolice?

她对警察提它了吗？WheneverImentionplayingsoccer,hesayshe’sbusy.不论什么时候我提议去踢足球，他都说他很忙。--口语中说Don’tmentionit.主要用来回答感谢，有时也用来回答道歉。如：A：Thankyouverymuch.多谢你了。B：Don’tmentionit.不客气。A：I’msorrytohavetroubledyou.

对不起打扰你了。B：Don’tmentionit.

没关系。--2dReadandanswerthequestions.Whatinventionaretheytalkingabout?Whoinventedthezipper?Thezipper.WhitcombJudson--2d

Readandanswerthequestions.Whenwasthezipperinvented?Whenwasitusedwidely?Dotheythinkitagreatinvention?Why?Thezipperwasinventedin1893Yes.Becauseitisusedwidelyinourdailylives.Thezipperwaswidelyusedin1917--WhitcombL.Judson

(1846–1909)wasan

American

machinesalesman,mechanicalengineerandinventor.Hedevelopedandinventedthezipperin1890.

--Readtheconversationagainandrole-playit.--

根据句意和所给汉语提示,完成下列单词的拼写。1.That’sthemost_________(有用的)book.2.ItissaidthatThomasEdisonhad1,093___________(发明)duringhislifetime.3.—Whatisthiskindofmachineusedfor?—It’susedfor_________(听)to

music.4.Ifyou_________(加热)theice,itwillsoonbecomewater.5.Childrenalsoneedtime_________(玩耍).usefulinvention