北京市房山区周口店中学高中英语 unit 7 lesson3 grammar课件.ppt

writetheadjectivesinthecorrectformdolphinsare 1small thanwhalesbuttheyareprobably 2intelligent creaturesinthesea 3big dolphinscanmeasurefourmetersbutcommondolphinsareusuallylessthantwometreslong smaller themostintelligent thebiggest dolphinsareoneof 4friendly creaturestomanandoftenfollowships dolphinsalsohavea 5good systemofcommunicationthanotheranimals theyare 6easy ofallanimalstotrainandareoften 7popular animalswithchildrenroundtheworld thefriendliest better theeasiest themostpopular 表示两者做比较 用比较级 xiaoyin sanmao sanmaoisyoungerthanxiaoyin xiaoyinisolderthansanmao a b c cisthetallestofthethree bistheshortestofthethree 三者 或三者以上比较用最高级 translatethefollowingsentences 1 theycaneatfishasbigasthemselves 2 somefishcanproducesoundsalmosttwiceasloudasyourspeakingvoice grammar 两者相比 甲 乙 用 as 原级 as 表示tomisastallasjack shecoulddoaswellasaman 表示 甲几倍于 乙时 用 倍数 as as 来表示thiskindofplanefliesthreetimesasfastasthatkind p58exer 2 1 mickisastallasbrian 2 theicebergisasbigasahouse 3 thetoadfishisasnoisyasarockconcert 4 mybraceletisasbeautifulasyours 5 mycomputerisasreliableasmycar 6 myearringsarethreetimesasexpensiveasmycdplayer translatethefollowingsentences 1 theyarelesscolourfulthansomeotherfish 2 itisnotasbigasaflyinyourhouse 两者相比 甲 乙 用 not so 原级 as 或less 原级 than表示sheisnotsocarefulasyou sheislesscarefullythanyou p59exer 3 maryisnotastallasbrian maryislesstallthanbrian 2 videogamesarenotasexcitingascomputergames videogamesarelessexcitingthancomputergames 3 chessisnotasinterestingasreading chessislessinterestingthanreading 4 thesilverbraceletisnotasbeautifulasyours thesilverbraceletislessbeautifulthanyours 5 chimpanzeesarenotasintelligentasdolphins chimpanzeesarelessintelligentthandolphins 6 todayisn tascoldasyesterday todayislesscoldthanyesterday translate myflatistwiceasbigasmyoldone thepictureislessattractivethantheoneisawlastweek thisropeisthreetimesaslongasthatone theboyisn tas so politeashissister translatethesentence lookcarefullyforthetiniestfishintheworld 最高级表示 在某个范围内最 p59exer 4 whatisthehighestmountainintheworld mountqomolangma 2 whichcountryhasthelargestpopulationintheworld china 3 whatseaanimalisthemostdangerousintheworld theshark 4 whatisthelargestseaanimalintheworld thebluewhale 5 whatisthelargestlandanimalintheworld theelephant 6 whatisthetallestanimalintheworld thegiraffe 7 whatisthefastestanimalintheworld thecheetah translatethesentence youcertainlywon tfindanoisierfish 否定 比较级 最高级hehasneverspentamoreworryingday ican tfindabetterhotel specialdiscountbeforethe22ndsothesoonerthebetter 表示一方随另一方程度变化时 用 the 比较级 the 比较级 结构 themoreyoueat thefatteryouwillbe thebusiertheoldmanis thehappierhefeels themoreyoustudy themoreyouknow p57exer 1 istoobigistoosmallistooexpensiveistoocoldistoooldistoohot p57exer 2 isnotdeepenoughisnotbigenoughisnotwarmenougharenotoldenoughwerenotgoodenoughisnotlongenough p57exer 3 istoobigwastoobigisnotbigenoughwasnotbigenougharetoobig p57exer4 anoldwood