英语Whenwasitinvented课件21

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1、Unit9Whenwasitinvented?SectionAFourgreatinventionsinancientChina:Paper-making(造纸术）Compass（指南针）Printing（印刷术）Gunpowder（火药）Findoutthenewwordsinvent→n.v.inventorinventioncalculatorn.计算器scoopn./v.勺子，用勺子舀Adjustableheels可调整的鞋跟batteryn.电池pl.batteriesoperatev.操作，手术→n.operationslippern.拖鞋heatv.加热lightbulb电灯

2、泡microwaveoven微波炉Themanyallhislife.inventorinventedinventionsWhatorderdoyouthinktheywereinvented?Numberthem[1—5]123451aListenandmatchtheinventionswiththedates.abce1bExplanation年份的读法：两位在一起读。eg.197619002000Readthefollowingyears17451305246nineteenseventy-sixnineteenhundredtwothousandseventeenforty-fiv

3、ethirteenandfivetwohundredandforty-six-Whenwas---invented?-Ithinkitwasinventedin---19271976197118761cPAIRWORKListenandnumbertheinventionsintheorderyouhearthem.1232aListenagainandmatchtheitemsincolumnsA,BandC.2bPracticeconversationslikethisWhenwas----invented?Itwasinventedin---.Whowasitinventedby?It

4、wasinventedby---?What’situsedfor?It’susedfor---Translatethefollowingphrases可调整后跟的鞋shoeswithadjustableheelsbattery-opratedslippersheatedicecreamscoopthestyleoftheshoeswhowassthinventedby?电池控制的拖鞋加热的冰淇淋勺鞋的样式谁发明的某物microwaveovenalarmclocklightbulb3aWhatdoyouthinkisthemosthelpful/annoyinginventions?NameH

5、elpfulinventionsWhyAnnoyinginventionswhyhelpfuln.+ful→adj.usefulwonderfulbeautifulhopefulannoyingadj.令人恼怒的，+物annoyed=angry+人Discuss:3bPracticeconversationslikethisA:Whatdoyouthinkisthemosthelpful/annoyinginvention?B:Ithinkthemosthelpfulinventionis…A:Whyisthat?B:Well,itgives/helpspeople…doyouthink为插

6、入语插入语在使用时的基本结构是特殊疑问词+doyouthink+(主语)+陈述语气eg.Wheredoyouthinkthebookis?Ithinkthemosthelpfulinventionis…I’dliketohavea…becauseIcould…It’susedfor…Ialsowanta…becauseit…4groupworkCrazyinventionsusedfordancingusedfordrivingandflyingusedforwalkingandsingingusedforlivingandwalkingusedfordrivingintheseaus

7、edfordrivingHOMEWORK1.RecitegrammarfocusonPage69and3bonPage70.2.FinishExxⅣandⅥonPage169andP170inyourworkbook.3.Memorizethespellingsandusesofthenewwords.GoodBye!