Unit9Whenwasitinvented【教学目标】1.知识目标1)掌握以下词汇:crisp,salty,sour,bymistake,chef,sprinkle2)掌握并会运用下列重要短语和句型:thinenough,saltyenough,makethecustomerhappy,intheend,achefcalledGeorgeCrumPotatochipswereinventedbymistake.Thecustomerthoughtthepotatoesweren’tthinenough.Thecustomersaidthattheyweren’tsaltyenough.Georgewantedtomakethecustomerhappy.Hesprinkledlotsofsaltonthemsotheywerereallysalty.2.能力目标听:能够听懂关于发明薯片的对话。说:能够复述听力内容,并能用英语谈论该项发明的历史。读:能准确且规范的读出本课听力材料内容。写:熟练书写关于被动语态的句型,且书写认真规范3.情感目标:通过学习本课了解几项发明的历史,开阔视野,扩大知识面,更加热爱生活,热爱发明。【重点难点】重点:能正确运用被动语态来讲述某项发明的历史。难点:能流利的运用本课语言知识自如的对话。【教学过程】I.Warmup1.检查生词预习教师活动:出示写有单词的卡片,让生试读,教师及时正音,强调发音规则。听写单词:crisp,salty,sour,bymistake,chef,sprinkle,thinenough,saltyenough,makethecustomerhappy,intheend,achefcalledGeorgeCrum教师让2个同学在黑板听写,写完后让另外的2名同学来批改,其他的同学与同桌互批。检查完单词后,教师要多鼓励学生,并结合学生出现的错误适当的讲解一些有规律性的单词记忆法。学生活动:个别学生站起来朗读单词,然后领读---学生自由读----齐读。写单词并互相批改单词。2.自由交谈教师活动:通过询问有关发明的问题,复习所学内容,表扬语言流畅,且发音规范者。例如:—Whenwasthetelephoneinvented?—Itwasinventedin1876.—What’stheheatedicecreamscoopusedfor?—It’susedforscoopingreallycoldcream.—Whowastheheatedicecreamscoopinventedby?—ItwasinventedbyChelseaLanmon.学生活动:背诵SectionA中的句子,熟练运用目标句型。II.Pre-task(预备任务)教师活动:创设情景:让学生以小组为单位就自己所了解的内容谈论一下potatochips,教师适当补充,让学生初步了解potatochips的历史。Doyoulikepotatochips?Haveyouevereatenpotatochips?Howoftendoyoueatthem?Whoweretheyinvented?学生活动:积极讨论探索potatochips的发明历史。IIIWhile-task(同步任务)Task11a:Thewordsintheboxdescribehowfoodtastes.Writethemunderthecorrectpictures.(Somepictureshavemorethanoneword.)教师活动:读题目要求,让学生用形容词填空,让学生用形容词造句。学生活动:根据老师示范,填写形容词,并造句。例如:Potatochipsarecrispyandsalty.Theorangeissour.Howisthesugar?It’ssweet.Task21b:Writethenameofadifferentfoodaftereachword.教师活动:明确题目要求,让学生填空。Task32a:Listenandcircle“T”(fortrue)or“F”(forfalse).教师活动:读题目要求,让生读并翻译2a中的句子,播放录音,核对答案。学生活动:放第一遍录音,学生只是听。放第二遍录音,学生做题。Answers:1.T2.F3.T4.F5.F6.TTask42b:listenagain.Completethesentences.教师活动:读题目要求,再放一遍录音,到关键句时停顿一下,给学生思考的时间,检查答案。然后让学生读听力材料,并把包括的短语写下来。学生活动:认真听听力,抓关键词及短语。齐读,自由读听力材料并争取背诵。Answers:1.Didyouknow2.wereinvented3.18534.werecrispy5.reallysaltyTask5重点短语:①thehistoryofpotatochips,achefcalledGeorgeCrum讲解:在thehistoryofpotatochips中,of表示所有格。例如:amapofChina,aphotoofmysister,thepictureofourcity,thenameofhisfriend;在achefcalledGeorgeCrum中,calledGeorgeCrum为过去分词短语作定语修饰名词achef,其中called可以用named替换。例如:Hisgrandfatherlivesinavillagecalled/namedZhouchun.Ihaveapetcatcalled/namedMimi.②bymistake,thinenough,saltyenough,makethecustomerhappy,intheend讲解:thinenough和saltyenough中,thin和salty为形容词,enough修饰形容词的时候必须后置,修饰名...