英语人教版八年级下册七单元课件.ppt.ppt

,Baseonthevideoandthepicture,canyouguesswhatwewilllearnintodayslesson?,Unit7Whatsthehighestmountainintheworld?,SectionA1a-1c,Learningaims,LearnsomenewwordsSomebeautifulplacesoftheworldusecomparativedegree（比较级）andsuperlativedegree（最高级）tomakesentencesUnderstandtheimportanceofenvironmentalprotection,Self-studywordsandphrases,squaremeterdeepdesertpopulationAsia,平方；正方形米；公尺深的沙漠人口；人口数量亚洲,Self-studyNewwords,squaremeterdeepdesertpopulationAsia,平方；正方形米；公尺深的沙漠人口；人口数量亚洲,Competition,squaremeterdeepdesertpopulationAsia,平方；正方形米；公尺深的沙漠人口；人口数量亚洲,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,Whatsthehighestmountainintheworld?Howhighisit?,Doyouknow?,Qomolangmaisthehighestmountainintheworld.Itis8,844.43metershigh.,Whatdoyouknowaboutthefollowingnumbers?,1,025metersdeep,TheCaspianSea,Whatdoyouknowaboutthefollowingnumbers?,6,671kilometerslong,TheNile,Whatdoyouknowaboutthefollowingnumbers?,9,600,000squarekilometersinsize,TheSahara,QomolangmaTheSaharaTheCaspianSeaTheNile,about9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershigh,Baseontheaboveinformation,finish1a,Listening,1bListenandcompletethesentences.,Qomolangmais_thananyothermountainintheworld.TheSaharais_desertintheworld.TheCaspianSeais_ofallthesaltlakes.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,Pairwork,A:Whatsthehighestmountainintheworld?B:Qomolangma.A:Howhighisit?B:Itis8,844.43metershigh.,TheYellowRiverislong._isalotlongerthantheYellowRiver.TheNileis_ofall._isnotaslongastheNile._isnotlongerthantheNile.,Groupwork,MountTaiishigh.,ThepopulationofFranceislarge.,Exercises,1.Kateisyoung,butJoeis_.2.Myshoesarenew.Mysistersare_thanmine.3.Herbagisheavy,andhisis_thanhers.Butyoursis_ofall.,younger,newer,heavier,theheaviest,4.Tomskiteishigh.Jimsis_thanToms.Mikesis_ofthemall.5.Billisseven.JohnisnineandTomiseleven.Tomis_thanJohnandBill.Billis_thanJohn.Billis_andTomis_ofthethree.,thehighest,older,younger,theyoungest,theoldest,higher,Discussion,Whatcanwedotoprotectenvironmentandplacesofinterest?,Homework,Makeachartaboutyourgroupmembers.T