九年级Unit6第一课时A1a2d

Unit6Whenwasitinvented?R九年级上册SectionA第1课时

KarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdKarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Baird

inventedthefirsttelevisionin1927.Listenandnumbertheinventions[1-3]intheorderyouhearthem.2a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity132Listenagainandcompletethechart.2bInventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamchangingservinginthedarkThefirstinventionisshoeswith________.Peoplealwayshittheirtoeson__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfillintheblanks.somethingseeingdarklightsThesecondinventionisahotice-cream______.Itrunson_________andbecomeshot.It’s_____forservingreally_____ice-cream.scoopelectricityusedcoldThelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoa______or______themifyouarejustgoingoutfor_________.heelsdownupraisepartylowershopping2cMakeconversationsusingtheinformationin2b.A:

Whataretheyusedfor?B:

They’reusedfor…Role-playWhataretheshoeswithlightsusedfor?They’reusedforseeinginthedark.Whatarehotice-creamscoopsusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.Role-playtheconversation.2dPaul: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.WhitcombL.Judson

(1846–1909)wasan

American

machinesalesman,mechanical

[mɪˈkænɪkl]

engineerandinventor.Hedevelopedandinventedthezipperin1890.

Readthepassageandanswerthequestions.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?

3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?Smallinventionsthatchangedtheworld.Thezipper.Becauseitisoftenusedinourdailylives.WhitcombJudsoninventeditin1893.Around1917.1).(2012辽宁大连)——Thankyoufortakingmearoundyourschool,Daming.

——________

A.Don'tmention

it.B.Nevermind.

C.Ofcoursenot.

D.Noproblem.2).——Sorry,Sir.Imadeamistakeagain.

——_____.Practicemoreandyouwilldobetter.

A.Nevermind

B.I’mnotsure

C.You’rewelcome

D.Don’tmentionitAAExercise

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).useful

inventionslisteningheattoplay句型转换1.Thepersonalcomputerwasinventedin1976.(对划线部分提问)___________________thepersonalcomputer_________?2.TheshoeswithlightswereinventedbyJulieThompson.(对划线部分提问)__________________theshoeswithlights______________?WhenwasinventedWhowereinventedby3.Kni