Unit6Whenwasitinvented?第4课时SectionB(1a-1e)I.知识目标II.课堂环节§自主学习方案【新词自查】根据句意及首字母提示完成单词。1.Idon’tlikelemonsbecausetheyaretoosour.2.LucyandLilyaretwins.Peopleoftenmistakethemforeachother.3.Forarestaurant,customersarethemostimportant.4.Thefishwastoosaltybecausemymomputtoomuchsaltonit.5.Weoftenputthefoodintothefridgetokeepitfreshinsummer.§课堂导学方案回顾:在前面的课程我们已经学习并了解了几种有用的发明,它们在很大程度上改变了我们的生活,使我们的生活更丰富多彩。下面提几个简单的问题来回顾上节课的内容:4.Whenwasthetelephoneinvented?______________________________________________5.Canyouimaginethelifewithouttelephones?______________________________________________6.Whatdoyouthinkisthemosthelpfulinvention?______________________________________________4.Whatwouldyoumostliketoinventifyoucould?______________________________________________环节说明:课前的师生问答互动不仅让学生回顾了上节课的内容,巩固了被动语态,同时,让他们知道创新和发明可以改善人类的生活,要勇于开拓、创新。Step2完成教材1a-1e的任务1.要求学生翻开课本P45,迅速阅读1a部分的内容。并按要求完成课本上相应的任务in1a.然后要求4名同学给出自己的答案,并进行个读,齐读。(2分钟)要求学生完成1b部分的任务:Writethenameofadifferentfoodaftereachword.然后邀请几名同学给出自己的答案。并把收集的答案列举在黑板上。(4分钟)参考案例sweetbananas;crispychips;saltynoodles;sourgrapes3.听第一遍录音,完成课本上1c部分的任务:ListenandcircleTorF.(2分钟)1.T2.F3.T4.F5.F6.T4.听第二遍录音,完成课本上1d部分的任务:Listenandcompletethesentences.(2分钟)5.听力内容巩固训练。要求学生根据所听到的内容完成下列对话。完成后要求若干学生出自己的答案。以巩固对听力内容的了解。(3分钟)Doyoulikepotatochips?Doyouknowhowthepotatochipswereinvented?Now,let'slistenandfillintheblanks.Potatochipswereinventedbymistake.TheywereinventedbyachefcalledGeorgeCrum.Onedayacustomerthoughtthefriedpotatoesweren'tthinenoughandweren'tsaltyenough.SoGeorgecutthemreallythinandcookedthemforalongtimeuntiltheywerecrispy.Andhesprinkledalotofsaltonthemsotheyweresalty.类别课时要点重点单词1.crispyadj.脆的;酥脆的;2.saltyadj.咸的;3.souradj.酸的,有酸味的;4.customern.顾客。重点句式1.---Didyouknowpotatochipswereinventedbymistake?---Ididn’tknowthat.Whoinventedthem?---PotatochipswereinventedbyacookcalledGeorgeGrum.---我不知道,是谁发明的?---土豆条是由一个叫GeorgeGrum的厨师发明的。2.Thecustomerthoughtthepotatoeswerenotthinenough.顾客认为土豆不够薄。3.Finallyheputlotsofsaltonthemsotheyweresaltyenough.最后他在他们上面撒了许多盐以使他们足够咸。§备课资料包a.词汇包:bymistake错误地bymistake是介词短语,意为“错误地;无意地;不小心地”,指由于错误的判断而千百万的失误,常在句中作状语。【备课例句】Itookyourbaginsteadofminebymistake.我错拿了你的手提包,还以为是我的呢。Susanforgotherkeyandlockedherselfoutbymistake.苏珊忘了带钥匙,误把自己关在门外了。【横向辐射】mistake...for…mistake...for…把……错认为,错把……当作Shemistookhimfortheprofessor.她把他错当作教授了。【课堂变式】—I’msorryI’vetakenyourdictionary____becausetheyhavethesamecolour.—Itdoesn’tmatter.A.atonceB.bymistakeC.ingeneralD.aswell【解析】由becausetheyhavethesamecolour可知是错拿了词典,正确答案是B。b.句式包:1.Georgewantedtomakethecustomerhappy.乔治想让顾客开心。句中的make意为“使得”,happy是形容词,作宾语you的补足语,对宾语起补充说明作用,常用的结构为“make+名词/代词+形容词”。【备课例句】Thebadne...