Unit9Whenwasitinvented【教学目标】1.知识目标1）掌握以下词汇：byaccident,beverage,accordingto,ancient,legend,bush,fallinto,remain,notice,produce,pleasant,mixture,inthisway,pie,flyingdisk,bakery,throw2）掌握并会运用下列短语和句型。themostpopulardrink,intheworld,thewesternworld,overthreethousandyears,anancientChineselegend,theemperorShenNong,produceapleasantsmell,collegestudentsDidyouknowthatteawasinventedbyaccident?Althoughteawasn’tbroughttotheWesternworlduntil1610,thisbeveragewasdiscoveredoverthreethousandyearsbeforethat.Theemperornoticedthattheleavesinthewaterproducedapleasantsmell.Andinthisway,oneoftheworld’sfavoritedrinkswasinvented.2.能力目标读：通过学习本课短文，能够读懂有关发明创造的文章。说：利用所给提示，能比较流畅地复述课文。写：能用本节课所学知识，描述茶叶发明创造的历史。3.情感目标通过学习本课了解发明的历史，开阔视野，扩大知识面。【重点难点】重点：熟练掌握本课的短语及句型。难点：复述课文，描述某项发明创造的历史。【教学过程】I.Warmup1、检查生词预习教师活动：齐读本课单词，让学生自己指出发音有误的单词，由教师集体正音，并领读。听写：让学生以小组为单位互相批改，小组长汇报听写情况。对听写全对者提出表扬，对出错较多的词在黑板上提出集体更正，并告诉学生要根据发音记单词。学生活动:大声读单词，及时更正发音不准的单词。2、自由交谈教师活动：教师带领学生复习上节课的内容。—Howwerepotatochipsinvented?—Whenweretheyinvented?—Whoweretheyinventedby?学生活动：根据老师的提问，回答问题。—Theywereinventedbymistake.—Theywereinventedin1853.—TheywereinventedbyGeorgeCrum.II.Pre-task(预备任务)教师活动:Wenowknowthatpotatochipswereinventedbymistake,butdoyouknowthattea,themostpopulardrinkintheworld,wasinventedbyaccident?Whoinventedtea?Let’sread3a(thearticle)ifyouwanttoknowaboutit.学生活动：尽量仔细听老师的话，看能否听懂，并根据老师的指导完成接下来的任务。IIIWhile-task(同步任务)1.Task1:Fastreading(Scanning)教师活动：教师检查预读情况，让一名学生说出本短文的主要内容，其他学生补充。学生活动：快速阅读课文，掌握本文大意。2.Task2:skimming教师活动：和学生一起读文后的问题，让学生带着问题再次阅读短文并找出问题的答案。检查答案。让个别学生读出答案。学生活动：读问题，带着问题去仔细阅读课文。Answers:1.Thearticleisabouttheinventionoftea.2.Itwasinventedoverthreethousandyearsago.3.ItwasinventedbytheChineseemperor,ShenNong.4.Itwasinventedbyaccident.Task3:Readingaloud教师活动：放录音让学生跟读。边读边由教师更正发音，语调的问题。学生活动：认真听录音并且跟着录音大声朗读课文，注意单词的语音语调。Task4:Intensivereading教师活动：学生再次仔细阅读，同时找出并划下短文中的主要短语与句型,提醒学生尤其注意包含生词的短语和句型。可以小组讨论，互通有无。教师将重要短语与句型写在黑板上。学生活动：学生小组里讨论，发言，归纳．IV.Post-work(任务提升).根据下面提示复述课文:Didyouknow．．．．themostpopulardrink......？Althoughtea．．．．．，thisbeverage,Accordingtoan......theemperorShenNongdiscovered.......Someleaves......fellinto......remained.......Theemperornoticedthat......Laterhedecidedto.......Itwas......Andinthisway......2、Languagepoints:①not…until“直到……才”，例如：Hedidn’tgotobeduntil12o’clocklastnight.Iwon’tleaveuntilmyfathercomesback.Youcan’tgooutwithyourfriendsuntilyoufinishyourhomework.②over意为“多于，超过”，相当于morethan。例如：Hergrandmotherisover/morethanninetyyearsold.Thereareover/morethansixtystudentsinourclass.③threethousandyearsthousand表示确切数字时不加s也不加of，表示模糊数字时既加s又加of。例...
