2014春人教新目标八英下Unit7全单元课件(185张)ppt

TolearntocomparefactsTolearntoexpresslargenumbersTolearntotalkaboutgeographyandnatureTolearnnewwords:square,meter,deep,desert,population,Asia,tour,tourist,wall,ancient,protect,wide…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?QomolangmaQomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.It’s8844.43high,thehighestintheworld.It’s26kilometerslong.zxxkTheNileisthelongestriverintheworld.It’smorethan6600kilometerslong.Itrunsthrough9countries,it’soneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.TheNileTheCaspianSeaTheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearth'smostnotsuitableforbiologicalsurvival.TheSaharaTheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.It’s6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.TheYangtzeRiverWhichisthehighestmountainintheworld?WhichisthelongestriverinAsia?...…1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighPracticeinpairslikethis:A:Whichisthe…inthe…?B:…z。xxk…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.A:HowhighisQomolangma?B:It’s8,844metershigh.Thebiggestdesertintheworldisabout8,000,000squarekilometersinsize.HowbigistheSahara?It’sabout8,000,000squarekilometersinsize.1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest2aListenandnumberthefacts(1-4)intheorderyouhearthem.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.42132bListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,464300___TheYangtzeRiverisabout_______kilometerslongandtheYellowRiveris______kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,464___Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.5,0003002cMakeconversationsusingtheinformationin2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.it’smucholderthanmycountry.A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.It’s6,300meterslong.B:Wow!That’slong!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。TheGreatWall2dReadtheconversationandanswerthequestions:1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?TheGreatWall.Badalingpartofthewall.1.Fellfreetoaskmeanythingontoday’sGreatWalltour.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。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,Jack’sgottwinsisters.就我所知，杰克有一对孪生姐妹。They’renotcomingtoday,sofarasIknow.他们今天不来了–就我所知是这样的。1.populationpopulation意为“人口数量”，谓语动词要用单数形式。询问人口数量时要用“What’sthepopulationof...?”提问，而不用howmany或howmuch等提问。表示人口“多”要用large或big；表示人口“少”要用small。Practice这个城市的人口是600万。Thepopulationofthiscityissixmillion．中国的人口比美国的人口多很多。ThepopulationofChinaismuchlargerthanthatoftheUSA.2.Qomolangmais8,844.43metershigh.Itis…metershigh(long,wide…).它……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。这座山高三千多米。Themaintainismorethanthreethousandmetershigh.它离我们只有三十八万公里。Itisonly380,000kilometersaway.这座绿色长城长7,000公里。TheGreenGreatWallis7,000kilometerslong.Practice3.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?thatChinais…是know的宾语从句。尽管主句的动词是过去时态，但由于宾语从句陈述的是客观事实，所以从句仍用一般现在时。4.It’smucholderthanmycountry.muchhigher意为“高得多”。在形容比较级前还可以用much,even,alittle,still,alot,less等修饰词表示程度。Practice他比我跑得更快。HerunsevenfasterthanI.日本土地面积只比德国大一点儿。JapanisalittlelargerthanGermanyinarea.5.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.6.ancientadj.古代的古老的Mygrandmotheroftentellsmeoldancientstories.7.protectv.保护Sunglassesareusedforprotectingoureyesinthesun.8.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.asfarasIknow