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1、Unit7What’sthehighestmountainintheworld?Aims：1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。2技能目标：能听懂和谈论有关地理和自然的话题。3情感目标：培养学生热爱大自然，保护环境的意识。Difficult：Phrase:insize,intheworld,2meterstall/long/wide,thebiggestpopulation,oneofthebiggest,themostpopularquestion,talkabout,theancientemperors,them
2、ainreason,asfarasIknow,noman-madeobjects,mountainclimbing,thesouthwesternpartofChina,thickclouds,coverthetop,riskone’slife,challengeoneself,achieveone’sdream，theforestofnature,trytodosth.,thespiritoftheclimbers,manytimesmorethan,liveupto,prepare…for..,beawake,bespecialtosb
3、.,spendsometimedoingsth.,intheremainingforest,endangeredanimals,inthefuture…Sentences:What’sthehighestmountainintheworld?Qomolangma.HowlongisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallt
4、hesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.Important：形容词和副词的比较级和最高级变化规则和用法。物体之间的对比。SectionA3(Grammarfocus—4c)Grammarfocus—What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’s
5、higherthananyothermountain.—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—DidyouknowthatChinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.Step1Grammar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：c
6、lever－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－moreple
7、ased－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)Step2中考链接1.比较级考点①比较级修饰问题alittle,abit,even,still,much,alot,far等
8、可修饰比较级。e.g.TomisalittletallerthanJim.Thisbookismuchmoreinterestingthanthatone.②同级比较e.g.Th
