unit 4 Topic 2 When was it invented(Section A)课件(仁爱版九年级上册)

Unit4AmazingScienceTopic2Whenwasitinvented?SectionAUnit4AmazingScienceTopic1A:What’sthisinEnglish?B:It’sacomputerdesk.A:What’sitmadeof?B:It’smadeofwood.A:What’situsedfor?B:It’susedforholdingacomputer.Lookandlearn.A:What’sthisinEnglish?Look2A:HowdoyousaythisinEnglish?B:It’sapieceofpaper.A:What’sitmadefrom?B:It’s

madefromwood.A:What’situsedfor?B:It’susedforwritingon.A:Howdoyousaythisin3bemadeof由某种物质做成(看得出原材料，物理过程)bemadefrom由某种物质制成(看不出原材料，化学过程)bemadeupof由几部分组成bemadein在某地/某时制造bemadeby由某人制造bemadeinto被制成beusedfor被用来做beusedtodo被用来做beusedas被用作usedtodosth.过去常做beusedtodoingsth.习惯于做知识拓展1234Groupworkbemadeof由某种物质做成(看得出原材料，物理过4toothbrush/plastic/brushteethredwine/grapes/drink

Followtheexamplestomakesimilarconversations.toothbrush/plasticredwine/gra5ruler/steel/measuretowel/cotton/cleanfacessweater/cotton/keepwarmruler/steel/measuretowel/cott6lift/iron/goupanddownink/carbon/writeinbed/iron/sleeplift/iron/goupanddownink/c7A.What’sitmadeof?B.It’smadeofwood.A.Doyouknowwhatitisusedfor?B.

It’susedforsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!

Look,listenandanswer.（录音）A.What’sitmadeof?Wow!A8Iamnotallowedtoplaycomputergames.

allowv.

允许1.allowsb.todosth.

允许某人做某事2.allowdoingsth.

允许做某事3.beallowedtodosth.

被允许做某事Iamnotallowedtoplayal9

It’sbadforyourhealthifyouspendtoomuchtimeonthem.headachetootiredsoreeyesIt’sbadforyourhealthify101.IwishIcouldgointospace

someday.someday---------某一天,总有一天(将来)e.g.IwishIcouldhavemyownhousesomeday.2.Ihopeyourdreamwillcome

true.

cometrue--------变成真的,实现realize/etrue1.IwishIcouldgointospace11Invention

Time

Place

Use

Whenwasitdeveloped?Wherewasitdeveloped?Listenandfinishthetable.MP3playerAround1998KoreaImproveourEnglish（录音）InventionTimePlaceUs12聚焦一般过去时的被动语态结构:助动词be+及物动词的过去分词1.肯定句式：主语+was/were+vt.-edzxxk2.否定句式：主语+was/were+not+vt.-ed3.一般疑问句式：Was/Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+subject+vt.-edLet’ssumuptogether.聚焦一般过去时的被动语态Let’ssumuptoget13InventionTimeCountry

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

Matchthepictureswiththeirinventions.213312Thenmakeconversationssimilarto2a.InventionTimeCountryUs14Makeupdialogsaccordingtotheform.A:Whatareyoudoing?B:Iam…A:What’sthis?B:It’sa(an)…A:What’situsedfor?B:It’susedfor…A:Whenwasitdeveloped?B:Itwasdevelopedin…A:Wherewasitdeveloped?B:Itwasdevelopedin…Forexample:Makeupdialogsaccordingtot15走进艺术天地Intotheartbadge,remember,ironmedal,reward,goldartwork---paintedeggcoin,silvermug,glass走进艺术天地Intotheartbadge,reme16铜爵Bronzejue,copperporcelain,chinabridge,icerootcarving,root/wood铜爵Bronzejue,copperporcelain,17()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.()1.He___playcomputerga18Ⅱ.Changethefollowingsentences.1.Mymotherallowsmetousehercellphone.(改为被动语态)I_________usemymother’scellphone.2.Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问)_______arocket______?3.Thedigitalcamerawasinventedin1975.(就划线部分提问)________thedigitalcamera______?4.Maybeheisaninventor.(改为同义句)

He________aninventor.5.What’sthisinEnglish?(改为同义句)

________you________inEnglish?amallowedto

WhatisusedforWhenwasinventedmaybe

HowdosaythisⅡ.Changethefollowingsentenc19Ⅲ.Fillintheblankswiththerightprepositions.1.Thedeskismade_____wood.2.Theredwineismade_____grapes.3.Thisdeliciouscakewasmade___mymother.4.Glassesismade___glass.5.Ourgroupismadeup___fourstudents.6.Thatkindofmachineismade______Japan.Zx,xkoffromofofbyinⅢ.Fillintheblankswiththe20Homework:Writeashortpassageaboutoneofyourfavouriteinventions.Homework:21（歌曲）（歌曲）22

Unit4AmazingScienceTopic2Whenwasitinvented?SectionAUnit4AmazingScienceTopic23A:What’sthisinEnglish?B:It’sacomputerdesk.A:What’sitmadeof?B:It’smadeofwood.A:What’situsedfor?B:It’susedforholdingacomputer.Lookandlearn.A:What’sthisinEnglish?Look24A:HowdoyousaythisinEnglish?B:It’sapieceofpaper.A:What’sitmadefrom?B:It’s

madefromwood.A:What’situsedfor?B:It’susedforwritingon.A:Howdoyousaythisin25bemadeof由某种物质做成(看得出原材料，物理过程)bemadefrom由某种物质制成(看不出原材料，化学过程)bemadeupof由几部分组成bemadein在某地/某时制造bemadeby由某人制造bemadeinto被制成beusedfor被用来做beusedtodo被用来做beusedas被用作usedtodosth.过去常做beusedtodoingsth.习惯于做知识拓展1234Groupworkbemadeof由某种物质做成(看得出原材料，物理过26toothbrush/plastic/brushteethredwine/grapes/drink

Followtheexamplestomakesimilarconversations.toothbrush/plasticredwine/gra27ruler/steel/measuretowel/cotton/cleanfacessweater/cotton/keepwarmruler/steel/measuretowel/cott28lift/iron/goupanddownink/carbon/writeinbed/iron/sleeplift/iron/goupanddownink/c29A.What’sitmadeof?B.It’smadeofwood.A.Doyouknowwhatitisusedfor?B.

It’susedforsendingsatellitesorspaceshipsintospace.Wow!Amodelrocket!

Look,listenandanswer.（录音）A.What’sitmadeof?Wow!A30Iamnotallowedtoplaycomputergames.

allowv.

允许1.allowsb.todosth.

允许某人做某事2.allowdoingsth.

允许做某事3.beallowedtodosth.

被允许做某事Iamnotallowedtoplayal31

It’sbadforyourhealthifyouspendtoomuchtimeonthem.headachetootiredsoreeyesIt’sbadforyourhealthify321.IwishIcouldgointospace

someday.someday---------某一天,总有一天(将来)e.g.IwishIcouldhavemyownhousesomeday.2.Ihopeyourdreamwillcome

true.

cometrue--------变成真的,实现realize/etrue1.IwishIcouldgointospace33Invention

Time

Place

Use

Whenwasitdeveloped?Wherewasitdeveloped?Listenandfinishthetable.MP3playerAround1998KoreaImproveourEnglish（录音）InventionTimePlaceUs34聚焦一般过去时的被动语态结构:助动词be+及物动词的过去分词1.肯定句式：主语+was/were+vt.-edzxxk2.否定句式：主语+was/were+not+vt.-ed3.一般疑问句式：Was/Were+主语+vt.-ed4.特殊疑问句式：疑问词W/H+was/were+subject+vt.-edLet’ssumuptogether.聚焦一般过去时的被动语态Let’ssumuptoget35InventionTimeCountry

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

Matchthepictureswiththeirinventions.213312Thenmakeconversationssimilarto2a.InventionTimeCountryUs36Makeupdialogsaccordingtotheform.A:Whatareyoudoing?B:Iam…A:What’sthis?B:It’sa(an)…A:What’situsedfor?B:It’susedfor…A:Whenwasitdeveloped?B:Itwasdevelopedin…A:Wherewasitdeveloped?B:Itwasdevelopedin…Forexample:Makeupdialogsaccordingtot37走进艺术天地Intotheartbadge,remember,ironmedal,reward,goldartwork---paintedeggcoin,silvermug,glass走进艺术天地Intotheartbadge,reme38铜爵Bronzejue,copperporcelain,chinabridge,icerootcarving,root/wood铜爵Bronzejue,copperporcelain,39()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.()1.He___playcomputerga40Ⅱ.Changethefollowingsentences.1.Mymotherallows