初中英语人教版八年级下册unit7 .ppt

Unit7Whatsthehighestmountainintheworld?,水东中学唐丽,SectionA11a2b,形容词和副词的比较级和最一.形容词和副词的比较级和最高级的变化方法如下,(1)符合规则的：,(2)几个不规则的形容词和副词的比较级和最高级如下表：,Presentation,squaren.平方,metern.米,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,tourv.n.旅行,touristn.旅行者,walln.墙,amazingadj.令人大为惊奇的,ancientadj.古代的,wideadj.宽的；宽阔和,Doyouknowtheseinterestplaces?,Qomolangma,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43high,thehighestintheworld.Its26kilometerslong.zxxk,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries,itsoneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.,TheNile,TheCaspianSea,TheCaspianSeaisthedeepestsaltlakeintheworld.ItliesintheborderbetweenAsiaandEurope.,TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearthsmostnotsuitableforbiologicalsurvival.,TheSahara,TheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.Its6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.,TheYangtzeRiver,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Talkaboutthesepicturesinpairs.,1aMatchthefactsyouknow.,8,844metershigh.8,844米高metershigh(long,wide)米高（长，宽)。英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g.Thewallis1.7metreswide.,Explanation,TEST,Theruleris2meters_.Thehillis300meters_.Theriveris20meters_.,A:HowhighisQomolangma?B:Its8,844metershigh.,Practice,A:HowbigistheSahara?B:Itsabout9,600,000squarekilometersinsize.,Practiceinpairslikethis:A:Whatistheinthe?B:z。xxk,Practice,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,2cMakeconversationsusingtheinformationin2a.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.itsmucholderthanmycountry.,Practice,A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!,中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。,TheGreatWall,2dReadtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,Badalingpartofthewall.,1.FellfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。,fellfree是英语口语中一个常用表达。若有人让你feelfreetodosomething，就是让你无需拘束，只管按照自己的意愿去做某事。,Languagepoints,e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。,asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。,2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。,e.g.AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。Theyrenotcomingtoday,sofarasIknow.他们今天不来了就我所知是这样的。,feelfreethemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreasonasfar