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1、Unit7What’sthehighestmountainintheworld?（1a-1c）授课教师：黄盛美授课时间：2017年5月23日课型：新课教学目标：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。教学重点：1学会4个四会单词：square，meter，deep，desert；2短语：insize，intheworld，2meterstall/long，oneofthebiggest；3句子：What’sthehighestmountaininthewo
2、rld?Qomolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.教学难点：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。SectionA1(1a–2a)Step1Reviews:WehavelearnUnit6lastweek(yesterday),andtodaywe’lllearnUn
3、it7What’sthehighestmountainintheworld?形容词、副词的最高级：三者或三者以上比较用最高级.1)常与in短语或of短语连用。形容词最高级前要加the,但当前面有物主代词、名词所有格等修饰时，不加the。副词最高级前可省the.eg.Susanis_____________(short)inherclass. Heis___________________(popular)oftheseboys. Aliceismy_________(good)friendamongthethreegirls.2)形容词最高级前可被序数词修饰，其结构为：
4、the+序数词+形容词最高级+单数名词.eg.TheYellowRiveris_____________________(第二长)riverinChina.3)“oneof+the+形容词的最高级+复数名词”表示“最……的……之一”eg.Hangzhouisoneof_____________(beautiful)_______(city)inChina.()3.MoYanisoneof____________writerstoday.A.morefamousB.mostfamousC.muchmorefamousD.themostfamous4）“a+最高级”，“非常
5、”,＝ very.eg.It’samostimportantquestion.=It’sa______importantquestion.2.Showsomepicturesandinformationofthehighestmountain,thelongestriver,thedeepestsaltlakeandthebiggestdesertintheworld.Step2Warmingup1.Watchthephotosandtalkaboutthem“Howbig/high/long/bigis…?’andhelpthestudentstoanswer:It’
6、s…meters/kilometers/cmbig/high/long/big.2.Lookthesephotosandpracticethedialogue:e.g.A:HowhighisQomolangma?B:It’s8,844.43metershigh.Step31aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighSt
7、ep4Explanation:1025metersdeep，“1025米深”，英语中，表示长，宽，高等时，主要有两种方式：（1）基数词+单位词+形容词（long,wide,high,deep）（2）基数词+单位词+in+名词（length,width,height,depth）;常见的单位词有：meter(米)，foot(英尺)等。eg:两米长________________/________________;5英尺高________________/________________;10米深________________/______
