英语人教版九年级全册unit6SectionB

1、Unit6Whenwasitinvented?TheSecondPeriodSectionB1eTeachingaims（教学目标）一、通过学习，掌握下列词汇：sour,customer,了解以下词汇：crispy,bymistake,bymistake二、口、笔头掌握以下句型：1. Potatochipswereinventedbymistake.2. Thecustomerwashappyintheend.3. Theywereinventedin1863.4. Georgewantedtomakethecustomerhappy.三、能用过去的被动语态（肯定、否定、及疑问句形式）熟练的谈

2、论薯片的发明。四、学会表达由于这些创造和发明对你的生活的帮助和对生活质量提高认识。Difficulties（难点）：用过去的被动语态（肯定、否定、及疑问句形式）熟练的谈论薯片的发明。Teachingstep（s教学步骤）1. Warm-upandrevision（课堂热身和复习）Greetthestudents.ShowSsthepicturesonthescreenandgetthemtoanswerthequestion.Whatisthelittledogeating?Whatdoesthebigdogthinkoftheicecream?教学设计说明：创设情景，导入新课。2. Pres

3、entationHowdothesethingstaste?Sslearnsomenewwordsbytalkingaboutpotatochips,lemons,cakeandsaltedduckeggs.Haveabrainstormingbyasking,Canyouthinkofsomefruitwhichissweet/sour?Whatfoodiscrispy/salty?Thenlearn“costumerb”ytalkingaboutthreepictures.教学设计说明：激活学生记忆中与食物相关的英语词汇，归类和复习学过的单词；为听力活动做铺垫。3. WorkonSecti

4、onB1a.Thewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.4. Workon1b.Writethenameofadifferentfoodaftereachword.5. Workon1c.Task1:Showthepictureofpotatochipsandanswerthequestions:Howdothepotatochipstaste?Doyoulikethem?Doyouknowhowtheywereinvented?

5、Whenweretheyinvented?Whoweretheyinventedby?Task2:ListenandcircleTfortrueorFforfalse.1. Potatochipswereinventedbymistake.2. Theywereinventedin1863.3. Thecustomerthoughtthepotatoeswerenotthinenough.4. Thecustomersaidtheywerenotsaltyenough.5. Georgewantedtomakethecustomerhappy.6. Thecustomerwashappyint

6、heend.6. Workon1d.Listenagain.Completethesentences.Doyouknowhowpotatochipswereinvented?PotatochipsbyacookcalledGeorgeCrum.Theywereinventedin.GeorgeCrumcutthepotatoesreally,reallyandthencookedthemforalongtimeuntiltheywere.Finallyheputlotsofsaltonthemsotheywere.7. Readthetapescripts.ThenListenagain,st

7、udentsrepeat.教学设计说明：跟读模仿语音和语调。完成学习目标一、二、三。8. 观察与思考：通过听力训练思考下列几个词组的使用(1)intheend意为“”与相当。Theycameupwithagoodidea.他们终于想出了好办法。(2)mistaken.错“误，过失”。bymistake意为Heputsaltintohiscoffee.他错把盐放入了咖啡中。9. Workon1eMakeaconversationabouttheinventionofpotatochips.Usetheinformationin1cand1d.A:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn'tknowthat.Whoinventedthem