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1、Unit 1 How tall are you?talltalleroldoldersmallsmalleryoungyoungerstrongstrongershortshorterlonglongerbigbiggerLook at the pictures and understand 看图并理解ABthinthinnerheavyheavier形容词比较级 大多数形容词和副词有三个等级：大多数形容词和副词有三个等级： 原级原级, ,即原形即原形 比较级比较级, ,表示表示“较较”；“更更” Grammar形容词和副词的比较级形容词和副词的比较级最高级，表示“最 构成的规则变化构成的规则
2、变化:1. 一般在词尾加一般在词尾加 er eg. cold colder old older一、形容词的比较级变化形式一、形容词的比较级变化形式1.tall-_7.small-_2.2.short-_8.cool-_3.strong-_9.cold-_4.old-_10.warm-_5.young-_11.deep-_6.long-_12.light-_tallershorterstrongerolderyoungerlongersmallercoolercolderwarmerdeeperlighter 2. 重读闭音节词末尾只有一个辅音字母时重读闭音节词末尾只有一个辅音字母时, 先双写这
3、个辅音字母先双写这个辅音字母, 再加再加-er. big bigger thin thinner 3. 以以“辅音字母辅音字母+ y”结尾的双音节词，先结尾的双音节词，先改改y为为i, 再加再加-er。 easy easier happy happier重读闭音节双写的练习big-_thin-_fat-_hot-_wet-_sad-_biggerthinnerfatterhotterwettersadder以前学的ing格式也遵守重读闭音节要双写的原则。如run-running，swim-swimming。去y为i+er的练习heavy-_funny-_happy-_heavierfunnie
4、rhappier以前学习名词的复数和单三形式时，格式也遵守不发音的y要去y为i+es的原则。如butterfliesfly-flies 4.多音节词和部分双音节词在词前加多音节词和部分双音节词在词前加 more。 eg. delicious more delicious interesting more interesting serious-more serious 多音节比较级的练习多音节是指大于等于3个音节的单词。前面+more（更加），表示更加怎么样。beautifulmorebeautifulexcitedmoreexcited构成的不规则变化构成的不规则变化:eg. good /
5、well better bad / badly worse many / much more little less far farther / further以不发音的e结尾不发音的e结尾，或者指单个e结尾的，不包括发音的e和字母组合。large-_nice-_fine-_largernicerfiner综合练习tallfunnylargebigbeautifulgoodtallerfunnierlargerbiggermorebeautifulbetter 1.表示两者表示两者 (人或事物人或事物) 的比较。的比较。 eg. I am taller than Tom. My dress i
6、s more beautiful than hers.二、形容词的比较级的用法二、形容词的比较级的用法Zeng Zhiwei is short.Pang Changjian isPang Changjian is Zeng Zhiwei.shorter.shorter thanthan比Jordan is tall.Yao Ming is taller.Jordan2.26m1.98mYao Ming is taller than jordan.Liu Huan is old .Fei Mao isFei Mao is Liu Huan.80岁岁90岁岁older .older thanLin
7、 Xinru is young.Liu Yifei is Liu Yifei is Lin Xinru.18岁岁28岁岁younger.younger thanThebluerulerislong.Theredrulerislonger,Theredrulerislongerthantheblueruler.fastfasterLook at the pictures and understand 看图并理解填空题比较级填空1.Ais10yearsold,Bis11yearsold.Ais_thanB.2.Tomis160cm,Lucyis170cm.3.Lucyis_thanTom.3.Th
8、eelephantis893kg,thepigis158kg.4.Theelephantis_thanthepig.youngertallerheavier填空题计算1.Ais23yearsold,Bis4yearsolderthanA.Bis_yearsold.2.Lucyis159cm,Aliceis16cmshorterthanLucy,Aliceis_cm.3.Amyis43kg,Zhangpengis23kgheavierthanAmy,Zhangpengis_kg.(23+4=27)27(159-16=143)143(43+23=66)66我们已经初步学了比较级的运用，那么在生活中
9、我们如何让运用比较级呢?问年龄：Howoldareyou?问身高：Howtallareyou?问体重Howheavyareyou?问长短：Howlongisyourleg?问大小：Howbigareyourhands?Howoldareyou?Im20yearsold.Howtallareyou?Im150centimeters（tall）.sent,mi:tzIm1.50meters（tall）.pointHowheavyareyou?Im46kilograms.kilgrm1. Jims bag is _ than Kates.A. bigger B. big C. biggest D.
10、the bigger2. My shoes are cheaper than _.A. you B. your C. yours D. your one Self-checkI. Multiple choices4. This classroom is _than that one. A. many big B. much big C. many bigger D. much bigger连词成句1.shorterYouyouraresisterthan2.2yearsolderShesmethan3.heavyyouHoware4.bigHowfeetareyour5.HowistallLucy6.Iyoustrongeramthan7.meyouAreshorterthanLetstalkLetstalkdansdinosaur恐龙hlhall大厅mitmeter米bboth两个都Letstalkwhatsizeareyourshoes?Size7ReadandwriteCountrysidekntrsad乡村Lowerl更低Shadowd影子Smartersm:t更聪明becomebkm成为
