英语人教版八年级下册Unit 7 Section A 1a-2d.ppt.ppt

Unit7,Unit7Whatsthehighestmountainintheworld?,SectionA11a2d,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,珠穆朗玛峰Qomolangma尼罗河theNile里海（世界最大的咸水湖）theCaspian撒哈拉沙漠theSahara长江theYangtzeRiver黄河theYellowRiver明朝theMingDynasty明长城theMingGreatWall,Doyouknowtheseinterestplaces?,Qomolangma,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43high,thehighestintheworld.Its26kilometerslong.,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries,itsoneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.,TheNile,TheCaspianSea,TheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.,TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearthsmostnotsuitableforbiologicalsurvival.,TheSahara,TheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.Its6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.,TheYangtzeRiver,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Talkaboutthesepicturesinpairs.,1.一般情况:+er(比较级)+est(最高级)quiet-quieter-thequietestbright-brighter-thebrightest2.词末为-e（不发音）+r-+stfine-finer-thefinestnice-nicer-thenicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er-双写辅音字母+esthot-hotter-thehottestwet-wetter-thewettest4.三个或三个以上音节的形容词只能加more和most5.特殊变化goodbetterbestmany/muchmorethemost,1.一般情况:+er(比较级)+est(最高级)quietquieterthequietestbrightbrighterthebrightest2.词末为-e（不发音）+r+stfinefinerthefinestnicenicerthenicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er双写辅音字母+esthothotterthehottestwetwetterthewettest4.三个或三个以上音节的形容词只能加more和most5.特殊变化goodbetterbestmany/muchmorethemost比较级主要运用与两者比较，最高级运用于三者包括三者以上的比较。A+erthanB,A+estofthethree,A+estthanothers,Canyoureadthem?8,4485,6544,3219,54323,34534,66643,23367,321,squarekilometer=km2squaremeter=m2度量单位使用规律（1）数词+meters/kilometers+high/deep/long/wide（2）XX平方米=XXsquaremeterHow+high/deep/long/wide+be+主语？,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.,Explaination,A:HowhighisQomolangma?B:Its8,844metershigh.,Practice,Thebiggestdesertintheworldisabout8,000,000squarekilometersinsize.,HowbigistheSahara?Itsabout8,000,000squarekilometersinsize.,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,1c.Usetheinformationin1btomakeconversations.,A:Whatisthehighestmountainintheworld?B:Qomolangma.,Practiceinpairslikethis:A:Whatistheinthe?B:,Practice,A:Whatisthebiggestdesertintheworld?B:Sahara.,A:Whatisthedeepestsaltlakeintheworld?B:Caspiansea.,Pairwork,A:Whatisthelongestriverintheworld?B:Nile.,人口；人口数量population亚洲Asia（可以）随便（做某事）feelfree旅行；旅游tour旅行者；观光者tourist墙wall令人大为惊奇的；amazing古代的；古老的ancient保护；防护protect宽的；宽阔的wide就我所知asfarasIknow,2aListenandnumberthefacts(1-4)intheorderyouhearthem.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,4,2,1,3,2bListenagainandfillintheblanksin2awiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,300,5,464,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,5,000,300,2cMakeconversationsusingtheinformationin2a.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.itsmucholderthanmycountry.,Practice,A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!,2dReadtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,Badalingpartofthewall.,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,Guide：FeelfreetoaskmeanythingontodaysGreatWalltour.Tourist1：Howlongisthewall?Guide：Ah,themostpopularquestion!IfwereonlytalkingaboutthepartsfromtheMingDynasty,itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.,2d.Role-playtheconversation.,Tourist2:Wow,thatsamazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee，itsquitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,itsthemostfamouspart.,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。,feelfreethemostpopularquestiontalkabouttheMingDynastytheanci