英语人教版八年级下册unit7 sectionA 1.ppt.ppt

Unit7What sthehighestmountainintheworld Objectives TolearntocomparefactsTolearntoexpresslargenumbersTolearntotalkaboutgeographyandnatureTolearnnewwords square meter deep desert population Asia tour tourist wall ancient protect wide What sthehighestmountainintheworld Howhighisit Doyouknow Qomolangma Qomolangmaisthehighestmountainintheworld Itis8 844 43metershigh Nowlet enjoythebeautifulscenesofQomolangma Whatdoyouknowaboutthefollowingnumbers 1 025metersdeep TheCaspianSea 里海 saltlake Whatdoyouknowaboutthefollowingnumbers 6 671kilometerslong TheNile 尼罗河 Whatdoyouknowaboutthefollowingnumbers 9 600 000square 平方 kilometersinsize TheSahara desert Matchthefactsyouknow 1a QomolangmaTheSaharaTheCaspianSeaTheNile about9 600 000squarekilometersinsize1 025metersdeep6 671kilometerslong8 844 43metershigh 数字 单位 形容词 Whatisthehighestmountainintheworld Howhighisit Talkaboutthesepicturesinpairs saltlake Listenandcompletethesentences Qomolangmais thananyothermountainintheworld TheSaharais desertintheworld TheCaspianSeais ofallthesaltlakes TheNileis riverintheworld 1b higher thebiggest thedeepest thelongest Listenandnumberthefacts 1 4 intheorderyouhearthem TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 2a 1 4 3 2 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 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 ThepopulationofChinaismuchlargerthanthatoftheUSA TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia Listenagainandfillintheblanksin2awiththenumbersinthebox 2b 6 300 5 464 5 000 300 6 3005 0005