Unit9SectionA幻灯片

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1、Unit9Whenwasitinvented?Learningtarget:Talkaboutthehistoryofinventions（谈论历史上的一些发明)Learningfocus:Thepassivevoiceofthepasttense.(一般过去时的被动语态）Difficultpoints:Thepassivevoiceofthepasttense(be｛was/were｝+p.p.)SectionAPeriodOneinventcalculatorbeusedforscoopadjustablemicrowavemicrowaveovenv.发明

2、；创造n.计算器用来做……v.用勺舀n.勺子；球形勺；长柄勺adj.可调整的n.微波微波炉Wordsandexpressionsheelbatteryoperatebattery-operateslipperheatbulblightbulbn.（鞋、袜等的）后跟；(足)跟n.电池v.操作；作业电池供电的n.拖鞋v.加热；使变热n:电灯泡，点灯电灯泡WordsandexpressionsSelf-directedlearningTranslate:1.invent____invent(名词）_____2.calcularor_____3.ancient_____4

3、.beusedfor_____5.beusedto_____6.compass_____7.papermaking____8.printing______9.gunpowder________WhataretheFourGreatInventionsinancientChina?Doyouknow?paper-making造纸术compass指南针printing印刷术gunpowder火药Lookatthethings.Inwhatorderdoyouthinktheywereinvented?1aA:Ithinkthecalculatorwasinvented

4、beforethecomputer.B:well,Ithinkthecalculatorwasinventedafterthecomputer.Talkaboutwithyourparterner.A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.Pairwork：19761885187619271971A:Whatisthe_______usedfor?B:Itisusedfor___________.talkingwithpeople(talkwithpeople)A:Whatisthe____

5、___usedfor?B:Itisusedfor___________.(study)studyingWhenwasthecalculatorinvented?Whatisitusedfor?Itisusedforcounting.Whataretheyusedfor?Theyareusedforgivinglight.lightbulbsListenandmatchtheinventionswiththedates.1b___1876___1885___1927___1971___1976daecbA:Whenwasthe_______invented?B:It

6、hinkitwasinventedin______.Pairwork(1c:P68)197618851876192719711879Edisoninventedthelightbulb.ThelightbulbwasinventedbyEdison.Whowasthelightbulbinventedby?ThetelephonebyBell.wasinventedWhowasthetelephoneinventedby?Bellinventedthetelephone.______wasinventedby_______.ThecarKarlBenzWhowas

7、thecarinventedby?KarlBenzinventedthecar.A:Whenwas…invented?B:Itwasinventedin…A:Whowasitinventedby?B:Itwasinventedby…A:Whatisthe…usedfor?B:The…isusedfordoing…Conclusion:汉译英。（1）计算机是何时发明的？（2）谁发明了计算机？（3）计算器是用来做什么？（4）你认为什么是最有用的发明？（5）每天它能够给人们更多时间工作和玩。1.Whenwasthecomputerinvented?2.Whowasthe

8、compu