英语人教版八年级下册Unit 7 1a-2d.ppt

Unit7 Unit7What sthehighestmountainintheworld SectionA11a 2d 一 用英语写出下列数字 ninety eightthousandsevenhundredandfifty four Ninehundredandeighty three Exercise fivehundred and sixty six sevenhundredandnine 566 709 983 98 754 练一练345100118 657 421 threehundredandforty five onethousand and one eighteenmillion sixhundredandfifty seventhousand fourhundredandtwenty one 3 872 Threethousandeighthundredandseventy two 46 290 Forty sixthousandtwohundredandninety 58 230 Fifty eightthousandtwohundredandthirty 59684 3219 648 215 fivehundredandninety six eighty fourthousandthreehundredandtwenty one Ninemillion sixhundredandforty eightthousand twohundredandfifteen Doyouknowtheseinterestplaces Qomolangma QomolangmarunsalongtheborderbetweenChinaandNepal Itiscoveredwithsnowalltheyearround It s8844 43high thehighestintheworld It s26kilometerslong TheNileisthelongestriverintheworld It smorethan6600kilometerslong Itrunsthrough9countries it soneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea 地中海 intheend TheNile TheCaspianSea TheCaspianSeaisthebiggestlakeintheworld ItliesintheborderbetweenAsiaandEurope TheSaharaisthebiggestdesertintheworld ItislocatedinthenorthernAfrica climateconditionsareverybad isoneoftheearth smostnotsuitableforbiologicalsurvival TheSahara TheYangtzeRiveristhethirdlongestriverintheworld thefirstAsianrivers It s6211 31kilometerslong TheYangtzeRiverBasin east westwidthof3219kilometers about966kilometerswidenorth south passingthrough11provinces ItrunsintotheEastSeainShanghaifinally TheYangtzeRiver 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 Whichisthehighestmountainintheworld WhichisthelongestriverinAsia Talkaboutthesepicturesinpairs 1aMatchthefactsyouknow Practiceinpairslikethis A Whichisthe inthe B Practice 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 It s8 844metershigh Practice Thebiggestdesertintheworldisabout8 000 000squarekilometersinsize HowbigistheSahara It sabout8 000 000squarekilometersinsize 1bListenandcompletethesentences 1 Qomolangmais thananyothermountainintheworld 2 TheSaharais desertintheworld 3 TheCaspianSeais ofallthesaltlakes 4 TheNileis riverintheworld higher thebiggest thedeepest thelongest 2aListenandnumberthefacts 1 4 intheorderyouhearthem 6 3005 0005 464300 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 4 2 1 3 2bListenagainandfillintheblanksin2awiththenumbersinthebox 6 3005 0005 464300 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 6 300 5 464 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 5 000 300 2cMakeconversationsusingtheinformationin2a A DidyouknowthatChinaisoneoftheoldestcountriesintheworld B Yes Idid it smucholderthanmycountry Practice A DidyouknowthatYangtzeRiveristhelongestriverinChina B Yes Idid It s6 300meterslong B Wow That slong 2dReadtheconversationandanswerthequestions 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 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 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 feelfreethemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreasonasfarasIknowtheMingGreatWall Importantphrasesand