八年级英语下册第七单元第3课时

八年级英语(下)第7单元第3课时Unit7What’sthehighestmountainintheworld?SectionAGrammarFocus—4c一、【教材分析】教学目[来源:学*科*网Z*X*X*K]标知识[来源:Zxxk.Com]目标1.学习并掌握下列单词：[来源:学。科。网]ocean,thePacificOcean[来源:学#科#网Z#X#X#K]2.能正确使用以下常用表达：howhigh,longerthan,thedeepestsaltlake,aspopularas,theYangtzeRiver,3.能熟练掌握并使用下列重点句式：1）—HowhighisQomolangma?—It’s8,844.43high.2）—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.[来源:学#科#网]3)—Whichisthedeepestsaltlakeintheworld?—TheCaspianSea.能力目标能够掌握形容词的比较等级，并运用形容词的比较等级去描述事物。情感目标培养学生热爱大自然，保护环境的意识。教学重点Talkaboutgeographyandnature.教学难点正确使用本课时词汇与句子；读写训练。教学方法情景教学法；任务型教学法。二、【教学流程】环节师生活动I.Preparation准备1．检查单词预习情况：教师结合学生读的状况，适当领读，并帮助学生正音。教师根据构词法知识，帮助学生识记单词。ocean,thePacificOceanhowhigh,longerthan,thedeepestsaltlake,aspopularas,theYangtzeRiver,2.单词听写听写单词—反馈—利用构词法再记忆。3．复习检查1）通过检查“学案”中“新知预习”内容，检查预习效果。2）复习上课时知识点：TheYellowRiverislong.TheYangtzeRiverisalot_______thantheYellowRiver.TheNileis______________ofall.TheYangtzeRiverisnot____long____theNile.=TheYangtzeRiverisnot_______thantheNile.II.Presentation呈现1.Learningtasks“示标定向”。1）学习并掌握下列单词：ocean,thePacificOcean2）能正确使用以下常用表达：howhigh,longerthan,thedeepestsaltlake,aspopularas,theYangtzeRiver,3）能熟练掌握并使用下列重点句式：1）—HowhighisQomolangma?—It’s8,844.43high.2）—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.3)—Whichisthedeepestsaltlakeintheworld?—TheCaspianSea.2.Leading-in“导入新课”LettheSsreadGrammarFocusquicklyandfindtherules:3.形容词和副词比较级和最高级变化规则1. 规则变化1)一般情况下，单音节或双音节的形容词（或副词）比较级＋er，最高级＋est如：clever－cleverer－cleverestfew－fewer－fewestsmall－smaller－smallest等。2)以e结尾的词，比较级＋r，最高级＋st即可。如：nice－nicer－nicestcute－cuter－cutestlarge－larger－largest3)以辅音字母＋y结尾的变y为i＋er或est。如:easy－easier－easiesthappy－happier－happiest再如：early,busy,heavy,dirty,lazy也如此。少数单音节词也是这样，如：pleased－morepleased－themostpleasedtired－moretired－themosttired2.不规则变化：good—better—bestwell—better—bestbad－worse－worstmany/much—more—mostfar—farther—farthest(距离远)far—further—furthest(程度深)old—elder—eldest(长幼)old—older—oldest(年龄)III.Practice操练1.学以致用1.Ourfamilyhasboughtacarsowecantravel_____thanbefore.（2008陕西）A. mosteasilyB.lesseasilyC.easilyD.moreeasily2.Myfathertoldmeastorylastnight.Itis____oneI’veeverheard.（2009陕西）A. thefunniestB.funniestC.funnierD.thefunnier3.The_____friendsyouhave,the____youwillbe.（2010陕西）A.more,happyB.many,happyC.more,happierD.many,happier4.Whenheheardacryforhelp,heranoutas_______ashecould.（2011陕西）A. hardlyB.quicklyC.finallyD.slowly5.ThisplaceisnotbigenoughforLucy’sbirthdayparty.Weshouldfinda_____one.（2012陕西）A. bigB.smallC.biggerD.smallerIV.Consolidation巩固1.4aFillintheblankswiththecorrectformsofthewordsinthebox.4bWritetwocomparisonsabouttwotopics.Writetruefacts.2.4cWritingWritefivequestionsusingcomparisons.ThenaskyourpartneryourquestionsV.Examination检测1.引导学生小结梳理知识框架、规律、方法，并对合作小组当堂学习情况进行总结评价，巩固学生所获得的语言知识和经验，让学生在评价中反思，在反思中进步。Askoneofthestudentstosaywhattheyhavelearnt.1)words&phrases2)用形容词描述大自然。2.当堂检测(见学案)：教师要随堂进行评价，批改可以由学习小组内互批、组间互批、集体订正等方法，批阅后教师要统计达标情况,收集反馈信息，当堂矫正补救。VI.Assignment作业1.口头作业：利用早读，朗读或背诵课文，体会过去进行时的含义和用法。2.书面作业：1）记忆所学单词、短语或重点句型。2）Finishofftheexercisesintongbuxuexi.3.PreviewthenewwordsofSectionB.三、【板书设计】Unit7What’sthehighestmountainintheworld?SectionAGrammarFocus—4c1）—HowhighisQomolangma?—It’s8,844.43high.2）—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.3)—Whichisthedeepestsaltlakeintheworld?—TheCaspianSea.四、【教后反思】在上一节课的基础上，大部分同学能够很轻松的完成这节课的学习任务，只是一些困难生还不行，课下要加强对他们的训练。