人教版（新目标）（2012教材）初中八下unit7-PeriodOne课件.ppt

人教版（新目标）（2012教材）初中八下,Unit7Whatsthehighestmountainintheworld？PeriodOne,形容词的比较级和最高级,1、规则变化：A）单音节词和少数双音节词一般在词尾加er或est：bright_;B以不发音的e字母结尾的加r,或st：large;C以辅音字母加y结尾的变y为I加er或est:easy；D以一个辅音字母结尾的重读闭音节词双写最后一个辅音字母再加er或est:big以er，ow结尾的双音节词加er或est:cleverslow2多音节词前加more或most,副词最高级前省略the.(3)部分形容词本身表示最高级，因此他们没有比较级和最高级形式：favouriteround2、不规则变化：good,well（）;bad,badly,ill;（）much,many（）;little（）;far;（）old（）;注：只有少数形容词和副词有两种比较级和最高级形式：oldfar,Theworldshighestmountainintheworld.,Doyouknowhowhighitis?,Itis8,844metershigh.,Qomolangma,DoyouknowSaharaisthebiggestdesertintheworld?,Yes,itisabout9,600,000squarekilometersinsize.,Sahara,Theworldsdeepestsaltlake,TheCaspianSea,DoyouknowthathowdeeptheworldsdeepestSaltlake?,Yes,itis1,025metersdeep.,ThelongestriverinAsia.,TheYangtzeRiver,DoyouknowthattheYangtzeRiveristhelongestriverinAsia?,Yes,itis6,300kilometerslong.,1a,Matchthefactsyouknow.,Its8,844metershigh.它有8,844米高。Itismetershigh(long,wide,deep).它米高（长,宽)。表达“有多长（宽，高）”时，将数词和数量单位放在表示长宽高的形容词前,1.这张桌子两米长，一米宽。2.这座山有1500米高。3.这栋楼120米高。4.这本字典有五厘米厚。5.这个湖有多深？1025米深。,Thetableistwometerslongandonemeterwide.,Themountainis1,500metershigh.,Thebuildingis120meterstall.,Thedictionaryisfivecentimetersthick.,Howdeepisthelake?Its1,o25metersdeep.,Translation,1b,Listenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higer,thebiggest,thedeepest,thelongest,写出下列单词的比较级和最高级highdeepbiglongoldyoung自主互助学习请根据预习写出下列短语1.最高的山2.最长的河3.八百万平方公里4.1025米深5.的人口6的高度7.和一样大11.少于的长度,TheYangtzeRiverisabout_kilometreslongandtheYellowRiveris_kilometerslong.Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold.ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,6300,2a,Listenandnumberthefactsintheorderyouhearthem.,630050005464300,5464,5000,300,2c,Makeconversationsusingtheinformationin2a.,DidyouknowthatChinaisoneoftheoldestcountriesintheworld?,Yes,Idid.Itsmucholderthanmycountry.,1.FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管随意问我任何问题。feelfreetodosth随意做某事CanIuseyourbathroom?Yes,feelfree.2.ancientadj.古代的古老的Mygrandmotheroftentellsmeoldancientstories.,3.protectv.保护Stectsb.fromsth.4.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样在的人造物体了。asfarasIknow据我所知AsfarasIknow,Tomhasatwinsister.,Doyouoftenclimbthemountain?,Isthereanygreatmountaininyourhometown?,ReadandAnswer,1.WherearetheHimalayas?2.HowhighisQomolangma?3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?4.Whatdoesthespiritoftheclimberstellus?,5achievementn.成就成绩achievev.ThisisawonderfulachievementinChinesehistory.6southwesternadj.西南的southwestn.Ourhometownisinthesouthwesternpartofthiscity.7thickadj.厚的浓的Thereisthickfoginthemorninginthismountainarea.,8Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.更加严峻的困难包括极冷的天气状况和巨大的风暴。1）difficulty困难Ifyouhaveanydifficulties,youcancallmeforhelp.Wefoundthehousewithoutdifficulty.2）includev.包括OursubjectsincludeChinese,Englishmathandsoon.,9freezingadj.冰冻的Itisfreezingoutside,andputonyourwintercoat.10conditionn.条件状况Thepianowasingoodcondition.11takeinLargefishtakesinsmallfishinthesea.,12succeedv.成功successn.successfuladj.successfullyadv.Ihopeshewillsucceedsoonbyworkinghard.13challengev.挑战Itisabigchallengeforthegirltodohouseworkbyherself.Theboychallengedhisfriendtoafightafterschool.14inthefaceof面对Theyshowedtheircourageinthefaceofdifficulty.,15Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.这些登山者的精神向我们表明：我们决不应该放弃实现自己的梦想的尝试。1）giveupdoingsth放弃做某事Hegaveupsmokingafterhegotoutofthehospital.2）achieveourdream实现.=makeourdreamcometrueHeachievedgreat