人教版（新目标）（2012教材）初中八下unit7-PeriodOne课件VIP专享VIP免费

人教版（新目标）（2012教材）初中八下Unit7What’sthehighestmountainintheworld？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:cleverslow•2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：favouriteround•2、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：oldfarTheworld’shighestmountainintheworld.Doyouknowhowhighitis?Itis8,844metershigh.QomolangmaDoyouknowSaharaisthebiggestdesertintheworld?Yes,itisabout9,600,000squarekilometersinsize.SaharaTheworld’sdeepestsaltlakeTheCaspianSeaDoyouknowthathowdeeptheworld’sdeepestSaltlake?Yes,itis1,025metersdeep.ThelongestriverinAsia.TheYangtzeRiverDoyouknowthattheYangtzeRiveristhelongestriverinAsia?Yes,itis6,300kilometerslong.1aMatchthefactsyouknow.Qomolangmaabout9600000squarekilometresinsize.TheSahara1025metersdeepTheCaspianSea6671kilometerslongTheNile8844.43metershighIt’s8,844metershigh.它有8,844米高。Itis…metershigh(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?It’s1,o25metersdeep.1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountainintheworld.2.TheSharais___________desertintheworld.3.TheCaspianSeais___________ofallthesaltlakes.4.TheNileis______________riverintheworld.higerthebiggestthedeepestthelongest•写出下列单词的比较级和最高级•highdeepbig•longoldyoung•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.It'salotbiggerthanthepopulationoftheUS.Chinaisover_____yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_____yearsold.ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.63002aListenandnumberthefactsintheorderyouhearthem.630050005464300546450003002cMakeconversationsusingtheinformationin2a.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It'smucholderthanmycountry.1.Feelfreetoaskmeanythingontoday’sGreatWalltour.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Sunglassesareusedforprotectingoureyesinthesun.protectsb.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.1.WherearetheHimalayas?2.HowhighisQomolangma?3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?4.Whatdoesthespiritoftheclimberstellus?5achievementn.成就成绩achievev.ThisisawonderfulachievementinChinesehistory.6southwesternadj.西南的southwestn.Ourhometowni...