2018届九年级英语全册unit6whenwasitinvented第4课时教案

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1、Unit6Whenwasitinvented?SectionB（1a—1d）一、【教材分析】教学目标知识目标1.会听说读写下列词汇：crispy;salty;sour;bymistake;customer；bymistake;thinenough;saltyenough;makethecustomerhappy;intheend;potatochips.2.能正确使用语法要点中的句型：（1）Potatochipswereinventedbymistake.（2）Thecustomerthoughtthepotatoesthinenough.（3）Thecustomersaidtheywer

2、enotsaltyenough.（4）Georgewantedtomakethecustomerhappy.（5）Thecustomerwashappyintheend.能力目标1.Tounderstandanddescribehowfoodcantaste.2.Tolearnthehistoryofpotatochipsbylisteningcarefully.3.Topracticetalkingabouttheinventionofpotatochips.情感目标通过本课的学习，培养学生乐于探索，乐于创新和发明的精神。教学重点理解并讨论薯条的发明。教学难点熟练运用语法要点中的句型和他

3、人对话；一般过去式被动语态的用法。教学方法情景教学法；任务型教学法。二、【教学流程】环节师生活动二次备课I.复习热身1、检查生词预习。（1）先通过PPT呈现本课的单词，教师领读，学生跟读，教师帮助学生正音。（2）做题巩固。根据句意及首字母提示完成单词。①Theglassisveryc_________.Youshouldbecareful.②Thesoupisverys_________.Youshouldn’tputsomuchsaltintoit.③Theorangesarenotsweetatall,instead,theyarekindofs_________.④Heputsalt

4、inhercupofteabym_________.⑤Hisbrotherisagoodcook,manyc_________gotheretoenjoyhiscooking.答案：（1）crispy（2）salty（3）sour（4）mistake（5）customers2、自由交谈Whichfooddoyoulike?Ilike…Doyoulikeeatingpotatochips?Yes,Ido/No,IDon’t.Doyouknowhowtheywereinvented?….Ⅱ.感知体验感知1.用PPT呈现不同食物的图片,引导学生谈论它们的味道。T:Whatkindoffood,f

5、ruitanddrinkdoyoulikebest?Canyoudescribethetastesofthem?体验1.学生分组谈论，练习对话，并学习新单词crispy;salty;sour等。感知2.教师进一步通过问题启发。（1）Doyoulikeeatingpotatochips?（2）Whichkindoftastedoyoulike?（3）Doyouknowhowtheywereinvented?体验2.小组讨论得出答案并做听力练习。1.处理课本内容1a部分。Thewordsintheboxdescribehowfoodcantaste.Writethemunderthecorre

6、ctpictures.SomepictureshaveⅢ.强化巩固morethanoneword.sweetcrispysaltysourcrispysoursweetsalty2.处理课本内容1b部分。Writethenameofadifferentfoodaftereachword.sweetbananaappleorangecake…crispypotatochips…saltypizza…sourlemongrape…3.处理课本内容1c部分。ListenandcircleTfortrueorFforfalse.（1）Potatochipswereinventedbymistake

7、.TF（2）Theywereinventedin1863.TF（3）Thecustomerthoughtthepotatoeswerenotthinenough.TF（4）Thecustomersaidtheywerenotsaltyenough.TF（5）Georgewantedtomakethecustomerhappy.TF（6）Thecustomerwashappyintheend.TF4.处理课本内容1d部分。