Unit6Whenwasitinvented?Period6SectionB3(3a-SelfCheck)一、教学目标：1.语言知识目标：1)复习一般过去时态被动语态的用法。2)能够用英语讲述自己所熟悉的某一发明的简单过程。3)能用就本单元所学习的寓言故事等语言材料，进行完型填空。并用英语介绍某一发明的简要过程。2.情感态度价值观目标：了解世界上一些对人类有着重大意义的发明的相关信息，开阔学生的眼界，养成勤于思考，善于发现的好习惯，培养学生的创造精神。2·1·c·n·j·y二、教学重难点1.教学重点：1）用英语介绍某一发明的简要过程。2）掌握本单元所学的词汇、句型及语法知识，并能进行综合练习运用。3）完成Selfcheck部分的练习试题。2.教学难点：用英语介绍某一发明的简要过程。三、教学过程Step1RevisionHowmuchdoyouknowaboutinternationalbasketballteamsinAmerica?Matchtherightinformation.Reviewtheexpressionsandsentences.Tellthedevelopmentofthebasketball.Step2Leadin1.AskSswhichinventiontheylikebest.Ssthinkabouttheirfavoriteinventions.2.LetsomeSstalkabouttheirfavoriteinventions.21cnjy.comStep3Thinking1.AskSswhatthingstheydon’tliketodo.e.g.Problem:quicklytakingnotesinclass.2.Discussingroupandthinkofaninventionthatcouldhelpyou.e.g.Newinvention:aspecialpenWhatitisusedfor：takingnotesquicklyinclass21·cn·jy·com3.Ssdiscussingtheproblemsandtrytomaketheirownnotes.4.LetsomeSsreadtheirnotestotheclass.Step4WritingWorkon3b:1.TellSstowriteadescriptionofyournewinvention.2.Thefollowingsentencestructuremayhelpyou.常用句型：①Ithink…isaveryusefulinvention.我认为……是一项很有用的发明。②…wasinventedby………是由……(某人)发明的③…wasinventedin………是在……（某时间）发明的④Itwasusedfor…它被用来……⑤…ismadeof………是由……(材料)制成的Step5SelfCheckWorkonSelfCheck1:1.Readthewordsintheboxandmakesuretheyknowthemeaningofeachword.2.Readthepassageandtrytofillintheblankswiththeproperword.3.Readthepassageagain.Checkiftheformsofthewordsarecorrect.3.LetsomeSsreadtheiranswers.Correctthemistakes.WorkonSelfCheck21.TellSstorewritethesentencesusingthepassivevoice.2.方法指导：复习一般过去时态的被动语态的句子结构。复习将主动语态句子变为被动语态句子的过程。3.Ssworkbythemselvesandtrytorewritethesentences.4.Checktheanswerswiththeclass.WorkonSelfCheck3Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.Invention:__________When:_____________Who:_____________Purpose:__________Step6Exercise:Step7Homework1.试着向你的朋友用英语讲述篮球的发展过程。2.用下列词汇造句子。lookupto,bymistake,dailyactivities,Itissaid,allofasudden,fallinto,attheOlympics
