Unit9Thisbirdisbiggerthanthefirstone湘少版·六年級上冊Lead-inLookatthepictures,whatcanyoufind?Newwordsthan比clay黏土；泥土Let’slistenandsayWelcometoourclayartshow.I’mPeter.Imadeafewbirdswithclay.Pleasetakealook.Children’sclayartisonshowatSunshineSchool.Sure.Thisisthefirstone.It’sasmallbird.Thisisthesecondone.Thisbirdisbiggerthanthefirstone.Lookatthethirdbird!It’sbiggerthanthesecondone.Thisisthefourthone.It’sbiggerthanthethirdone.Lookatthefifthbird.It’sthebiggest.Wow!Theyarelovely.Welcometoourclayartshow.歡迎參觀我們的粘土藝術(shù)品展。句中的show是名詞，意思是“展出；表演”。常與介詞on組成短語，onshow的意思是“展出”。show可以作動詞，意思是“給……看；表現(xiàn)出；上演”。Thisisthefirstone.這是第一只(鳥)。first的意思是“第一”，是序數(shù)詞。表示“第幾”的詞叫做序數(shù)詞，序數(shù)詞前面要加定冠詞（或物主代詞），常在句中作定語和表語。1～10的序數(shù)詞的構(gòu)成如下：(1)第1～第3first(1st)第一second(2nd)第二third(3rd)第三(2)第4～第10一般在基數(shù)詞的個位數(shù)后加th構(gòu)成。fourth(4th)第四fifth(5th)第五sixth(6th)第六seventh(7th)第七eighth(8th)第八ninth(9th)第九tenth(10th)第十Thisbirdisbiggerthanthefirstone.這只鳥比第一只鳥的體型更大。兩者(人、事物、動作)之間進(jìn)行比較要用比較級句型：“A+is/are＋比較級+than＋B”“A比B更……”例：我的媽媽比我高。Mymotheristallerthanme.Let’slearnbigbiggerbiggest大的更大的最大的smallsmallersmallest小的更小的最小的talltallertallest高的更高的最高的shortshortershortest矮/短的更矮/短的最矮/短的longlongerlongest長的更長的最長的Let’sPractiseTomistallerthanMike.Tom’shairisshorterthanMike’s.Groupwork.JohnDickDavidDickistallerthanJohn.JohnistallerthanDavid.PlayrolesJohnDickDavidDickistallerthanDavid.JohnisshorterthanDick.Let’sreadOncetherewerethreebigbirdsinaforest.TheywereBob,BakerandBen.BakerwasbiggerthanBob,butsmallerthanBen.Bob’ssingingwasloud,butBaker’ssingingwaslouder.Therewerethreesmallbirdsintheforest.TheywereJane,JudyandJulia.JudywassmallerthanJulia,andJanewasthesmallest.Oneday,thebirdsdecidedtosingtogether.Alotofpeoplelistenedtothemandsaid,“Theyarereallythebestsingersintheforest!”Tickthecorrectsentences.1.BenwasbiggerthanBob.2.BakersanglouderthanBob.3.JuliawassmallerthanJudy.4.Peoplethoughtthatthesixsingerswerethebestintheforest.

√√√√Let’swriteFillintheblanks.tallerPeteris_______________.DavidPeterfastDavidruns______.tallerthanDavidfastfasterPeterruns_______________.highPetercanjump_____.fasterthanDavidhigh1.15higherDavidcan_____________________.thehighestJohn__________________.jumphigherthanPetercanjumpthehighest1.251.35Let’shavefunLet’schant.Thegiraffesays,“Iamtaller.”Thelittlerabbitsays,“Iamfaster.”Theelephantsays,“Iambigger.”Themonkeysays,“Iamsmarter.”Thelionsays,“Iroarlouder!AndIfeelprouderThanyou!”比較級和最高級的構(gòu)成規(guī)則：1)直接在詞尾加er或est。例如：young→youngeryoungest2)以e結(jié)尾的加r或est。例如：nice→nicernicest3)閉音節(jié)單音節(jié)詞如末尾只有一個輔音字母，須先雙寫

這個輔音字母，再加er或est。例如：big→biggerbiggest4)以輔音字母加y結(jié)尾，改y為i，再加er或est。例如：easy→easiereasiest5)部分雙音節(jié)或多音節(jié)形容詞變比較級或最高級時，

要在其前面加more或most。例如：careful→morecarefulmostcareful常見不規(guī)則變化的形容詞和副詞：原級比較級最高級good/wellbetterbestbad/illworseworstmany/muchmoremostlittlelessleastoldolder(年紀(jì)較大的)elder(較年長的)oldest(年紀(jì)最大的)eldest(最年長的)farfarther(遠(yuǎn))further(進(jìn)一步)farthest(最遠(yuǎn))furthest(最大限度)Let’sknowmoreLet’scompare!Whichisfaster?Thisisamaglevtrain.Itrunsmorethan400kmanhour.Thisisanoldtyp