,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Unit 7,Whats the highest mountain in the world?,Section A,1a-1c,late,lat,er,-lat,est,early,earl,ier,earl,iest,big,big,ger-,big,gest,fluently/difficult,more,most,重读闭音节、末尾只有一个,辅音字母双写加 er 或 est,单音节词在词尾比较级加-er或最高级加-est,以e结尾的词，只需加r 或st,以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est,部分双音节和多音节词在原级前加 more 或 most,tall,tall,er,-tall,est,cheap,cold,small,warm,young,high,fine,nice,safe,happy,busy,dirty,easy,lazy,pretty,fat,hot,red,thin,wet,sad,quickly,slowly,useful,careful,popular,modern,形容词和副词比较级和最高级构成,(规则变化),不规则变化,good/well,better-best,much/many,more-most,bad/badly/ill,worse worst,little,less least,far,farther/further farthest furthest,old,older/elder oldest/eldest,1.表示两者之间的选择,可用“Which/Who +比较，or?”.,2.表示两者之间的比较，通常用连词 than 引导，,表示“更一些”,3.much/far/a lot,even,still,a little/a bit ,修饰比较级,表示程度.,Who runs,faster,he or she?,He runs,faster than,she.,He runs,much faster than,she.,4.“,比较级,+and+,比较级”表示“越来越,”,5.“the+,比较级,the+,比较级”表示“越,越,”,6.,表示不及另一方时，用“,less+,原级,+than”,(,双音节和多音节词,),He becomes,healthier and healthier,.,The more,you exercise,the healthier,you will be.,She is,less healthy than,he.,He is,healthier than,she.,Shanghai is becoming,more and more modern.,1.比较级+and+比较级 越来越,2.the+比较级,the+比较级 越,越,3,._you are,_mistakes you,will make.,(你,越仔细,，做错的题目就,越少,）,4._you eat,_youll be.,(你吃得,越多,就,越胖,),5.,Alice writes well.Mary writes _,than she.,(甚至更好）,The more careful,the fewer,The more,the fatter,1.The girl becomes _.,(越来越漂亮）,more and more beautiful,2.,The weather is getting,_.,(越来越槽糕）,worse and worse,even/still better,1.表示三者或三者以上比较,可用”Which/Who,+最高级,or?”表示.,2.最高级+of/among(同类比较)in(范围比较),4.one of+,形容词最高级,+名词复数表示“最 之一”,3.序数词修饰最高级,形容词和副词的最高级的用法,Who is,the tallest,Tom,Mike,or Jack?,Tom is,the tallest of,the three.,Mike is,the second tallest,student in our class.,Jack is,one of the tallest student,s,in our class.,Tom runs,(the)fastest,in our class.,Lets enjoy the natural beauty of China.,Yangtze River,Qinghai Lake,salt lake,longest,biggest,The Yangtze River is the longest river in China.,the Himalayas,The Himalayas is the highest mountain range in the world.,the Caspian Sea,salt lake,biggest,The Caspian Sea,is the biggest lake in the world.,1,025 meters deep,Lets enjoy the natural beauty of China.,the Nile,longest,6,671 kilometers long,The Nile is the longest river in the world.,Qomolangma,highest,8,844.43 meters high,Qomolangma is the highest mountain,in the world.,the Sahara,biggest desert,9,600 square kilometers in size,The Sahara is the largest desert in the world.,数字,+,度量单位,+adj,48,米高,48 meters high,25,米深,25 meters deep,61,千米长,61 kilometers long,拓展：数字,-,度量单位,adj,构成符合形,容词,一个,25,米深的湖,a 25-meter-deep lake,596,84,321,9,648,215,five hundred and ninety-six,eighty-four thousand three hundred and twenty-one,Nine million,six hundred and forty-eight thousand,two hundred and fifteen,练一练,345,1001,18,657,421,three hundred,and,forty-five,one thousand(,and),one,eighteen million,six hundred,and,fifty-seven thousand,four hundred,and,twenty-one,3.Lin Tao is _ in the class because he never gets to school on time.,（最懒的学生之一）,4.Edison was_,in the world.,(,最伟大的发明家之一）,one of the laziest student,s,one of the greatest inventor,s,The Yangtze River is_ river in the world.(,第三长河）,the third longest,2.The Atlantic is _,ocean in the world.(,第二大洋）,the second biggest,Exercise:,一、翻译句子：,二、同义句转换,1.,Flat A is more expensive than Flat B,Flat B is _ _ than Flat A.,Flat B is _ _ Flat A.,Flat B is not _ _ _ Flat A.,2.,I prefer,maths,to English.,I like,maths,_ English.,better than,3.He is the tallest student in the class.,He is _ in the class.,taller than any other student,any other+,名词单数,less,expensive,cheaper,than,as,expensive,as,1.Hainan is a very large Island.It is the,second _ island in china.(,large,),2.,Our teacher is as _ as before.(,busy,).,3.He is _ among us.(,careful,),4.Li Lei jumped far _ than Jim.(far),5.The busier he is,the _ he feels.(,happy,),6.I think Yao Ming is one of _,basketball players in NBA.(,hot,),busy,the most careful,farther,happier,largest,the hottest,三、完成句子,1.We are going to,the Green Restaurant,for lunch.,(,就划线部分提问,),_ you going for lunch?,2.Sam is the shortest in his class.(,改为同义句,),Sam is _ than _,_,_,_ student in his class.,Sam is _ than _ _ students in his class.,Sam is _ than_,_,_ in his class.,3.How do you like Screen City?(,改为同义句,),_ do you _ Screen City?,Where are,shorter,any other,What,think of,shorter,the other,anyone else,shorter,练习：改写句子,Match the facts you know.,1a,Qomolangma,about 960,0000 square kilometers in size,the Sahara,1,025 meters deep,the Caspian Sea,6,671 kilometers long,the Nile,8,844.43 meters high,Listen and complete the sentences.,1.Qomolangma is _ than any other mountain in the world.,2.The Sahara is _ desert in the world.,3.The Caspian Sea is _ of all the salt lakes.,4.The Nile is _ river in the world.