Unit7SectionA1a-2d课件人教版八年级英语下册

Unit7What'sthehighestmountainintheworld?SectionA1a-2d学习目标Newwords两室两厅一卫约65squaren.平方metern.米deepadj.深的populationn.人口deserLn^±kiltourv.n.旅行walln.墙touristn.旅行者Doyouknowtheseinterestingplaces?TheNileTheCaspianSea（里海）TheSaharaTheYangtzeRiverabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighQomolangmaTheSaharaTheCaspianseaTheNile1aMatchthefactsyouknow.1.Qomolangmais________thananyothermountainintheworld.2.TheSaharais_________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis__________riverintheworld.1bhigherthebiggestthedeepestthelongest1cA:Whatisthehighestmountainintheworld?B:Qomolangma.Usetheinformationin1btomakeconversations.语言点...8,84443metershigh....8r米高...metershigh（long,wide...）……米高（长，宽……）英语表示“有多长（宽，高……）”时，一般将数壘数量里位放在表示长宽高的形容词前作状语，即"数词+量词+adj.（长宽高），注：面积为insize.e.g.Thewallis1.7metreswide.Qomolangmaishigherthananyothermountainintheworld.珠穆朗玛峰比世界上其他任何一座山都高。“比较级+thananyother+单数名词+比较范围”“比较级+thantheother+名词复数+比较范围”“比其他的（任何一个）都要更……”，用比较级的形式表达最高级的含义。Qomolangmaishigherthananyothermountainintheworld.=Qomolangmaishigherthantheothermountainsintheworld.=Qomolangmaisthehighestmountainintheworld.Readthenumbersbelow.6,300sixthousandandthreehundred5,4655,000fivethousand,fourhundredandsixty-fivefivethousand______TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.______Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.______Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven______yearsold.______ChinaisalmostasbigastheUS,buttisthebiggestcountryinAsia.2aListenandnumberthefacts[1-4]

intheorderyouhearthem.1234______TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.______Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.______Chinaisover______yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven______yearsold.______ChinaisalmostasbigastheUS,buttisthebiggestcountryinAsia.2bListenagainandfillintheblanksin2awiththenumbersinthebox.12346,3005,0005,4643006,3005,0005,464300DidyouknowthatChinaisoneoftheoldestcountriesintheworld?2cMakeconversationsusingtheinformationin2a.Yes,Idid.It’smucholderthanmycountry.DidyouknowthatChinahasthebiggestpopulationintheworld?2cMakeconversationsusingtheinformationin2a.Yes,Idid.It’salotbiggerthanthepopulationoftheUS.语言点population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…?〃或"Howlargeisthepopulationof…?"提问，而不用howmanynghowmuch等提问表示人口〃多〃要用large或big;表示人口〃少”要用small。TheGreatWallHewhodoesn'treachtheGreatWallisnotatrueman.不到长城非好汉。2dListentotheconversationandanswerthequestions.1.HowlongistheMingGreatWall?2.IsBadalingpartoftheMingGreatWall?It'sabout8850kilometerslong.Yes,it'sthemostfamouspart.2dRole-playtheconversation.Guide:Feelfreetoaskmeanythingontoday’sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it’sthemostfamouspart.语言点1.Feelfreetoaskmeanythingontoday’sGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。feelfree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声做某事。e.g.A:CanIuseyourdictionary?我可以用一下你的字典吗？

B:Yes,feelfree.可以，请随意。2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。asfarasIknow是一个固定的表达方式，还可以说sofarasIknow,意思是〃据我所知〃o例如：AsfarasIknow,Maryistheyoungestinherhome.就我所知，玛丽是她家最小的孩子。为合成形容词，意为“人造的”。面条和蛋糕都是自家做的。Thenoodlesandcakesarehomemade.据我所知，这衣服是手工制作的。AsfarasIknow,theclothesarehandmade.重点短语feelfreethemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreasonasfarasIknowtheMingGreatWall重点句子Howlongisthewall?It'sabout8,85