人教新目标九年级Unit9教学案.doc

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1、TeachingMaterial:Unit9Whenwasitinvented?TeachingAims:1.Talkaboutthehistoryofinventions;2.Learnthenewwordsandphrasesinthisunit.3.LearnmoreaboutthePassiveVoice.TeachingKeyPoints:1.ThePassiveVoiceusedwithdifferenttenses;2.Thenewwordsandphrases.TeachingDifficultie

2、s:HowtousethePassiveVoicewithdifferenttenses.TeachingMethods:Listeningmethod,readingmethodandpairworkTeachingAids:AtaperecorderSomepicturesTeachingProcedures:PeriodI:SectionA1a-GrammarFocus1.学习newwords:①invent-inventor-inventionInventorsinventedmanyinventions.

3、/Manyinventionswereinventedbyinventors.)②calculator-handheldcalculator③computer-personalcomputer2.1a学会用beinventedbefore/after…可利用图片（thecalculator;thetelephone;thecomputer;thetelevision;thecar）猜测其被发明的先后。Thecalculatorwasinventedafter/before…。3.1b1c听力训练，Whenwasth

4、e…invented?Itwasinventedin…。听并了解上述发明的先后顺序，及具体年份。4.①2a学习newwords:scoop;heel;adjustable;battery;slipper;operate;heat先学习scoop(beusedforeating);学会Whataretheyusedfor?Theyareusedfordoing…shoes/slipper(beusedforwearing)②Thescoops,shoesandslippersareallordinarythings.

5、Listenandcatchsomespecialthingsmentionedintheconversation:shoeswithadjustableheels;battery-operatedslippers;heatedicecreamscoop(low/high-heeledshoes,)③再听，完成2b学会：Whataretheyused/isitusedfor?Itis/Theyareusedfordoing…。Whowerethey/wasitinventedby?Itwas/Theywereinv

6、entedby…。5.GrammarFocus.读，复习三个句型:Whenwasthecarinvented?Whowasthecarinventedby?Whataretheyusedfor?转换：beusedfordoing与beusedtodoTheyareusedforseeinginthedark.=Theyareusedtoseeinthedark.7PeriodII:SectionA3a–SectionB2c1.3ahelpfulinventions&annoyinginventionsalarmcl

7、ock;lightbulb;microwaveoven;computer;television;doorbell;monitor;trafficlights;telephone;airconditioner;fridge(refrigerator)Whatdoyouthinkisthemosthelpfulinvention?（掌握doyouthink插入语）Ithinkthemosthelpfulinventionisthelightbulb.Whyisthat?Itgivespeoplemoretimetowo

8、rkandplayeveryday.（口语，随意表达）对比：Whodoyouthinkwillgototheconcert?（who作主语）Whendoyouthinktheywillgototheconcert?(when不作主语)附课外知识：1946年2月15日,世界上第一台计算机诞生于美国宾夕法尼亚大学莫尔学院.ElectronicNumericalI