八年级英语下册Unit7What’sthehighestmountainintheworldPeriod1人教版.ppt

Unit7Whatsthehighestmountainintheworld?,SectionA1a2d,Whoistallerthanothers?,thetallest,taller,1.一般情况:+er(比较级)+est(最高级)quiet-quieter-thequietestbright-brighter-thebrightest2.词末为-e（不发音）+r-+stfine-finer-thefinestnice-nicer-thenicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er-双写辅音字母+esthot-hotter-thehottestwet-wetter-thewettest4.三个或三个以上音节的形容词只能加more和most5.特殊变化goodbetterbestmany/muchmorethemost,1.一般情况:+er(比较级)+est(最高级)quietquieterthequietestbrightbrighterthebrightest2.词末为-e（不发音）+r+stfinefinerthefinestnicenicerthenicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er双写辅音字母+esthothotterthehottestwetwetterthewettest4.三个或三个以上音节的形容词只能加more和most5.特殊变化goodbetterbestmany/muchmorethemost比较级主要运用与两者比较，最高级运用于三者包括三者以上的比较。A+erthanB,A+estofthethree,A+estthanothers,onetwothreefourfivesixseveneightnineten,eleventwelvethirteenfourteenfifteensixteen，seventeeneighteennineteen,Canyoureadthem?8,4485,6544,3219,54323,34534,66643,23367,321,Qomolangma.Its8,844.43metershigh!,TheNileIts6,671kilometerslong.,CaspianSeaIts1,025metersdeep.,TheSaharaIts9,600,000squarekilometersinsize.,2,300meters,squarekilometer=km2squaremeter=m2度量单位使用规律（1）数词+meters/kilometers+high/deep/long/wide（2）XX平方米=XXsquaremeterHow+high/deep/long/wide+be+主语？,1a,Matchthefactsyouknow.,YaoismuchtallerthanPan.abit,alittle,much,many,alot,lots,any,even+比较级,AisashighasmountainB.,AisashighasmountainB,Thisballisasbigasthatone.,Thisriveris,Quickcheck(1)Mybrotheris_moreoutgoingthanme.A.manyB.littleC.much(2)Theexperimentwas_easierthanwehadexpected.A.moreB.muchmoreC.much(3)Iftherewerenoexaminations,weshouldhave_atschool.A.thehappiesttimeB.amorehappiertimeC.amuchhappiertime(4)Travelingbytrainisexcitedthanarushedtripbyair.A.muchB.alittleC.farmore(5)这部电影和那部电影一样有趣。（asas）(6)这件红大衣和那件蓝色大衣一样长。(asas),（答案：C,C,C,CThisfilmisasinterestingasthatone.Theredcoatisaslongastheblueone.),languagepoints,1.feelfreetodosth.是指你想做什么就做什么,别介意我的看法,有“放松点,别紧张”的意思.Feelfreetoaskmeanythingaboutthisbook.关于这本书有什么问题尽管问，放松点。2.themainreasonwastoprotectChina.主要的原因是为了保护中国。protect表“保护”的意思。ToprotectChina是不定式表目的，做目的状语。为了保护中国。3.asyoucansee正如你所见Asyoucansee,everyoneisstudyinghard.正如你所见，每个人都在努力学习。4.asfarasIknow据我所知。asfaras用于本义，意为“与一样远”“一直到”。Wewalkedasfarastheriver.我们一直走到河边。用于引申义，意为“就而言”“从来看”“尽所能”“只要”。AsfarasIknow,thatishighlyunlikely.就我所知，那是极不可能的。5.man-made作形容词用，就是“人造的”（非自然的）意思。man-madeflowers人造花,