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

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1、人教版（新目标）（人教版（新目标）（2012教材）初中八下教材）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:clever slow 2多音节词前加more或most,副词最高级前省略the.(3)部

2、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：favourite round 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：old far Theworldshighestmountainintheworld.Doyouknowhowhighitis?Itis8,844metershigh.QomolangmaDoyouknowSaharaisthebiggestdesertintheworld?Yes,itisabout9,600,000sq

3、uarekilometersinsize.SaharaTheworldsdeepestsaltlakeTheCaspianSeaDoyouknowthathowdeeptheworldsdeepestSaltlake?Yes,itis1,025metersdeep.ThelongestriverinAsia.TheYangtzeRiverDoyouknowthattheYangtzeRiveristhelongestriverinAsia?Yes,itis6,300kilometerslong.1aMatch the facts you know.Qomolangmaabout 9600000

4、 square kilometres in size.The Sahara1025 meters deepThe Caspian Sea6671 kilometers longThe Nile8844.43meters highIts8,844metershigh.它有它有8,844米高。米高。Itismetershigh(long,wide,deep).它它米高（长米高（长,宽宽)。表达表达“有多长（宽，高有多长（宽，高）”时，时，将数词和数量单位放在表示长宽将数词和数量单位放在表示长宽高的形容词前高的形容词前1.这张桌子两米长，一米宽。这张桌子两米长，一米宽。2.这座山有这座山有1500米

5、高。米高。3.这栋楼这栋楼120米高。米高。4.这本字典有五厘米厚。这本字典有五厘米厚。5.这个湖有多深？这个湖有多深？1025米深。米深。Thetableistwometerslongandonemeterwide.Themountainis1,500metershigh.Thebuildingis120meterstall.Thedictionaryisfivecentimetersthick.Howdeepisthelake?Its1,o25metersdeep.1bListen and complete the sentences.1.Qomolangmais_thananyother

6、mountainintheworld.2.TheSharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.higerthe biggestthe deepestthe longest 写出下列单词的比较级和最高级high deep big long old young 自主互助学习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

7、_kilometreslongandtheYellowRiveris_kilometerslong.Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold.ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.63002aListen and number the facts in t

8、he order you hear them.630050005464300546450003002cMake conversations using the information in2a.Did you know that China is one of the oldest countries in the world?Yes,I did.Its much older than my country.1.FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管随意问我任何问在今天的长城游中，大家尽管随意问我任何问题题。feel

9、freetodosth随意做某事随意做某事CanIuseyourbathroom?Yes,feelfree.2.ancientadj.古代的古代的古老的古老的Mygrandmotheroftentellsmeoldancientstories.3.protectv.保护保护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。据我所知，再没有像它这样在的人造物体了。asfaras

10、Iknow据我所知据我所知AsfarasIknow,Tomhasatwinsister.1.Where are the Himalayas?2.How high is Qomolangma?3.Why do so many people try to climb this mountain even though it is dangerous?4.What does the spirit of the climbers tell us?5achievementn.成就成就成绩成绩achievev.ThisisawonderfulachievementinChinesehistory.6sou

11、thwesternadj.西南的西南的southwestn.Ourhometownisinthesouthwesternpartofthiscity.7thickadj.厚的厚的浓的浓的Thereisthickfoginthemorninginthismountainarea.8Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.更加严峻的困难包括极冷的天气状况和巨大的风更加严峻的困难包括极冷的天气状况和巨大的风暴。暴。1）difficulty困难困难Ifyouhaveanydifficulties

12、,youcancallmeforhelp.Wefoundthehousewithoutdifficulty.2）includev.包括包括OursubjectsincludeChinese,Englishmathandsoon.9freezingadj.冰冻的冰冻的Itisfreezingoutside,andputonyourwintercoat.10conditionn.条件条件状况状况Thepianowasingoodcondition.11takeinLargefishtakesinsmallfishinthesea.12succeedv.成功成功successn.successful

13、adj.successfullyadv.Ihopeshewillsucceedsoonbyworkinghard.13challengev.挑战挑战Itisabigchallengeforthegirltodohouseworkbyherself.Theboychallengedhisfriendtoafightafterschool.14inthefaceof面对面对Theyshowedtheircourageinthefaceofdifficulty.15Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachiev

14、eourdreams.这些登山者的精神向我们表明：我们决不应该放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。弃实现自己的梦想的尝试。1）giveupdoingsth放弃做某事放弃做某事Hegaveupsmokingafterhegotoutofthehospital.2）achieveourdream实现实现.=makeourdreamcometrueHeachievedgreatsuccessinashorttime.16forcen.力量力量Thearmywasthemostimportantforceinthecountry.17naturen.大自然大自然Thebeautyofnaturemakespeopleforgettrouble.Review the new words for today.Read the article in 3a.