6.对外友好往来

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1、Whenwasitinvented?Unit9GaozhenMiddleSchoolYuCaixiaWhat'sthisinEnglish?It'satelephone.What'sthisinEnglish?It'sabicycleWhat'sthisinEnglish?It'sacomputer.What'sthisinEnglish?It'sacameralightbulbwashingmachineWhat'sthisinEnglish?calculatorinventv.发明；创造inventionn.

2、发明，发明物inventorn.发明者；创造家calculatev.计算；估计calculatorn.计算者；计算器NewwordsGuessinggameA:Whenwasthe_______invented?B:Ithinkitwasinventedin______.A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.A:Whenw

3、asthe_______invented?B:Ithinkitwasinventedin______.A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.Listenandmatchtheinventionswiththedates.-Whenwasthecar/…invented?--Itwasinventedin_____18761885192719711976Example:A:What'sthisinEnglish?B:It'sa......

4、A:Whenwasthe_____invented?B:Ithinkitwasinventedin______.PairworkTherearemany_________(invent)thathavechangedtheworldsomuch.Forexample,the_______(calculate)wasinventedin1971.It___________(invent)byBush.Itisusedfor___________(calculate)somemathproblems.calculat

5、orsplayanimportantpartinourlifeExerciseinventionscalculatorwasinventedcalculatingWritingWhatisyourfavoriteinvention?Whydoyoulikeitbest?Howdoesithelppeople?Writeashortpassageaboutit.SummaryA:Whenwasthetelephoneinvented?B:Itwasinventedin18761.Masterthetargetlan

6、guage.2.Writeacompositionaboutyourfavoriteinventions.3.Previewtheusageofthepassivevoice.HomeworkGoodbye