英语必修5译林牛津版unit3第3课时表格教案(1)

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1、英语必修5译林牛津版Unit3第3课时表格教案主备人执教人授课日期班级总课题M5U3总课时分课时1课型复习课题M5U3Wordpower1・haveabetterunderstandingofdifferentmeaningsofprefixesandsuffixes・教学目标2.havealargervocabularywiththehelpofprefixesandsuffixes・3.usespecificwordstodescribehumanorgansbymeansofcomparison.教学重点Words,phrasesandsentencepatterns教学难点Practi

2、calusage教具Blackboard,slidesandhandouts教学内容教法学法Teachingprocedures:Step1Leadin(PPT4-5)1.Askstudentstoconeludesomeeasywaystodoubletheirvocabularyaccordingtotheiryears'ofEnglishlearning・2.Introducetheintendedanswerbyprovidingsomeexamplessothatstudentscanbeledtotheanswer"Byusingprefixesandsuffixes"orby"c

3、loningit"(justforfun)・[Explanation]鉴于学生已冇比较长时间的学习英语的经历，前后缀对于他们来说并不陌生。以让他们总结如何让自己词汇量加倍这一方法开始整堂课的教学，从开放的问题到焦点的关注，从悬念到平实，让学生在瞬间产牛好奇，并且在答案揭晓的刹那能很好得活跃课堂气氛，为麻面的教学做好铺垫。Step2Prefixesandsuffixes(PPT6-10):LBrainstorming.Askstudentstolistasmanyprefixesandsuffixesaspossibleandwritethemdownontheblackboard・Theira

4、nswerscanbemorethanwhatarelistedonPage46.Ifanythingisleftout,it'steacher'sjobtocomplement.Dobriefexplanationifnecessary.2.'Tmconquering."It/sagameaswellasacompetitionbetweenboysandgirls,whichisintendedtoreviewsomerelatedvocabularyandhelpsomestudentstoenlargetheirvocabulary.Rulesareasthefollowing:Stu

5、dentsofeithergendercantaketheinitialtodothecompetition.Forexample,agirlstudentstandsupfirst,picksanyprefixorsuffixandthensaysonewordcontainingthatsuffixorprefix.Thenboystudentscarftnotusethatsuffixorprefixanymorebecausethatfieldhasbeenconquered・Onestudent,onewordatime・Boysandgirlsdon'tneedtotaketurn

6、s.Italldependsonhowfasttheirreactionis.Buttheyhavetomakesurethatfollowingeverysuffixorprefixtheyhavepicked,theremustbethreedifferentwords・Thenthesidewhichconquersthelargestfieldwinsthecompetition.3.Afterthecompetition,teachercanaddsomewordswhichappearonpage46butaremissedoutintheiranswerssuchasillega

7、landdisrespect.Tip:1)Somewordstakeahyphen卜)whenaprefixisadded・2)Wesometimesneedtochangetheendingofawordbeforewecanaddasuffix.[Explanation]本节所列的前后缀除了pro■和anti-Z外，学生都很熟悉，让学生进行头脑风暴，在短时间内迅速反馈以往学过的前后缀，使学生产