2023学年完整公开课版Unit9Whenwasitinvented8

Unit9

Whenwasitinvented?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

电灯泡microwaveoven

微波炉The

many

allhislife.inventorinventedinventionsWhatorderdoyouthinktheywereinvented?Numberthem[1—5]123451aListenandmatchtheinventionswiththedates.abce1bExplanation年份的读法：两位在一起读。eg.197619002000Readthefollowingyearineteenseventy-sixnineteenhundredtwothousandseventeenforty-fivethirteenandfivetwohundredandforty-six-When

was

invented?

-Ithinkit

wasinvented

in19271976197118761cPAIRWORKListenandnumbertheinventionsintheorderyouhearthem.1232aListenagainandmatchtheitemsincolumnsA,BandC.2bPracticeconversationslikethisWhenwasinvented?Itwasinventedin.Whowasitinventedby?Itwasinventedby?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microwaveoven

alarmclocklightbulb

3aWhatdoyouthinkisthemosthelpful/annoyinginventions?NameHelpfulinventionsWhyAnnoyinginventionswhyhelpful

n.+ful

→adj.usefulwonderfulbeautifulhopefulannoyingadj.令人恼怒的，+物annoyed=angry+人Discuss:3b

PracticeconversationslikethisA:Whatdoyouthinkisthemosthelpful/annoyinginvention?B:Ithinkthemosthelpfulinventionis…A:Whyisthat?B:Well,itgives/helpspeople…doyouthink为插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…

4groupworkCrazyinventionsusedfordancingusedfordrivingandflyingusedforwalkingandsingingusedforlivingandwalkingusedfordrivingintheseausedfordrivingHOMEWORK1.RecitegrammarfocusonPage

69and3bonPage70.