Unit4AmazingScience

Topic2Whenwasitinvented?SectionA連江縣道沃學(xué)校翁光2012.12.06Learnthenewwords.rocketmetalsatellitetoothbrushinkrecorderdigitalcameracellphonecomputerA:What’sthisinEnglish?B:It’sacomputerdesk.A:What’sitmadeof?B:It’smadeofwood.A:What’situsedfor?B:It’susedforholdingacomputer.Lookandlearn.desk/wood/holdacomputerA:HowdoyousaythisinEnglish?B:It’sapieceofpaper.A:What’sitmadefrom?B:It’smadefromwood.A:What’situsedfor?B:It’susedforwritingon.paper/wood/writeonbemadeof由某種物質(zhì)做成(看得出原材料，物理過程)bemadefrom由某種物質(zhì)制成(看不出原材料，化學(xué)過程)bemadeupof由……組成由……構(gòu)成bemadebysb由某人制作/制造bemadein+place由某地制造beusedfor+doingsth被用來做beusedtodosth被用來做beusedas被用作usedtodosth.過去常做beusedtodoingsth.習(xí)慣于做知識拓展1342漢譯英1.這桌子是由木頭制成的。（bemadeof）Thedeskismadeofwood.2.紅酒是由葡萄制成的。（bemadefrom）Theredwineismadefromgrapes.3.我們的學(xué)校是由10個組成的。（bemadeupof）Ourschoolismadeupoftenclasses.4..這蛋糕是由我媽媽制作的。（bemadeby）Thecakeismadebymymother.5.自行車是由上海制造的。（bemadein）AbikeismadeinShanghai.6.小刀是用來切東西。（beusedfor/beusedto）Aknifeisusedforcuttingthings/isusedtocutthings.7.在中國漢語作為第一語言被使用。（beusedas）InChina,Chineseisusedasthefirstlanguage.8.我的父母過去常常住在鄉(xiāng)下，而他們現(xiàn)在習(xí)慣住在城里。（usedto,beusedto）Myparentsusedtoliveinthecountry,buttheyareusedtolivinginthecity.toothbrush/plastic/brushteethredwine/grapes/drink

Followtheexamplestomakesimilarconversations.ruler/steel/measuretowel/cotton/cleanfacessweater/cotton/keepwarmlift/iron/goupanddownink/carbon/writeinbed/iron/sleepA.What’sitmadeof?B.It’smadeofwood.A.Doyouknowwhatitisusedfor?B.

It’susedforsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!

Look,listenandanswer.（錄音）

ListenandRepeat.ReadandfindoutthekeypointsIamnotallowedtoplaycomputergames.

allowv.

允許1.allowsb.todosth.

允許某人做某事2.allowdoingsth.

允許做某事3.beallowedtodosth.

被允許做某事

It’sbadforyourhealthifyouspendtoomuchtimeonthem.headachetootiredsoreeyes1.IwishIcould

gointospace

someday.someday---------某一天,總有一天(將來)2.Ihopeyourdreamwillcome

true.

=Ihope

youwillachieveyourdream.Onedayphone/1876/England/communicateA:What’sthis?B:It’saphone.A:What’situsedfor?B:It’susedforcommunicating.A:Whenwasitdeveloped?B:Itwasdevelopedin

1876.A:Wherewasitdeveloped?B:Itwasdevelopedin

England.Invention

Time

Place

Use

Whenwasitdeveloped?Wherewasitdeveloped?Listenandfinishthetable.MP3playerAround1998KoreaImproveourEnglish（錄音）ListenandsayInventionTimeCountry

UseDigitalcamera()1975AmericatakephotosComputer()1946AmericahelptoworkandstudyCellphone()1973Americacommunicate

Matchthepictureswiththeirinventions.213312Thenmakeconversationssimilarto2a.Makeupdialogsaccordingtotheform.A:What’sthis?B:It’sa(an)…A:What’situsedfor?B:It’susedfor…A:Whenwasitdeveloped?B:Itwasdevelopedin…A:Wherewasitdeveloped?B:Itwasdevelopedin…Forexample:()1.He___playcomputergamesunlesshefinishedhishomework.A.wasallowedtoB.wasnotallowedtoC.allowto()2.Weallknowthatpaper___wood.A.ismadeofB.ismadeintoC.ismadefrom()3.Thiskindofmachine___in2006.A.isinventedB.ismadeC.wasinvented()4.A(An)___isusedfortakingphotos.A.CameraB.LiftC.MP3player()5.Weshouldspendmoretime___becauseit’stooimportant.A.tolearnEnglishB.learningEnglishC.inEnglishBCCABI.Choosetherightanswers.Youcandoit.Ⅱ.Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改為被動語態(tài))I_________usemymother’scellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就畫線部分提問)_______arocket______?3.Thedigitalcamerawasinventedin1975.(就劃線部分提問)________thedigitalcamera______?4.Maybeheisaninventor.(改為同義句)

He________aninventor.5.Wha