Unit 7 What’s the highest mountain in the world？ part A 教案3.doc

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1、Unit7partA教案【教学目标】AbilityobjectiveTosummarizeandconsolidatethegrammarandusage【教学重点】summarizeandconsolidatethegrammarandusage【教学难点】introducegrammarandusageconsolidatethenewwordsandexpressionsarisediscussionandguidestudentstoaskquestionsandfindanswersonthe

2、irown【教学方法】PWPmethod,task-basedmethodandinteractiveapproach 【教学手段】Ataperecorder,multimediaandsomepictures【教学过程】TeachingProcedures:Step1Leading-in    　　Sslookthepicturesandanswerthequestions.sayasmuchaspossible.Step2warmingupofgrammarfocus—What’sthehighes

3、tmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid

4、.It’smucholderthantheUS.Step3Grammar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，如：clever－cleverer－cleverest最高级＋estfew－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

5、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—fa

6、rthest(距离远)far—further—furthest(程度深)old—elder—eldest(长幼)old—older—oldest(年龄)Step4activityandpairworkStudentsdiscussionaboutthegrammarthroughlearningStep5homework写出一百个单词的比较级。