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

Unit7Whatsthehighestmountainintheworld?,SectionA1a-2c,Studyingaims:1.Learnthenewwordsofthislesson.（学习本课新单词）2.LearntoreadnumbersinEnglish（学习用英语读数）3.Learnthefollowingsentencepatterns:（学习下列句型）Whatsthehighestmountainintheworld?HowhighisQomolangma?Whichisthedeepestsaltlakeintheworld?4.listeningpractice.,Checkpreparation:（一.单词大比拼）,1.平方，正方形,广场,square,TiananMenSquare,天安门广场,2.米，公尺,meter,kilometer,千米，公里,3.深的，纵深的,deep,4.沙漠,desert,5.人口，人口数量,population,6.亚洲,Asia,7.Qomolangma,8.theNile,9.theCaspianSea,10.theSahara,珠穆朗玛峰,尼罗河,里海（世界最大的咸水湖）,撒哈拉沙漠,11.TheYangtzeRiver,12.TheYellowRiver,二.用英语读出下列数字567099838,7459,648,215,fifty-six,seven-hundredandnine,ninehundredandeighty-three,eightthousand,sevenhundredandforty-five,ninemillion,sixhundredandforty-eightthousand,twohundredandfifteen,长江,黄河,Lead-in:Whatisthehighestmountainintheworld?WhatisthelongestriverinChina?,Qomolangma(isthehighestmountainintheworld.),TheYangtzeRiver(isthelongestriverinChina.),Self-studyguidance1:（自学指导一）Lookatthepicturesandmatchthefactsyouknow.(看图搭配）,Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh,Howhigh/long/deep/bigis?Its,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,1b.Listenandcompletethesentences.（听录音并完成句子）,higher,thebiggest,thedeepest,thelongest,Self-studyguidance2:（自学指导二）,1c.Usetheinformationin1btomakeconversations.（用1b中的信息编对话）,A:Whatisthehighestmountainintheworld?B:Qomolangma.,Self-studyguidance3:（自学指导三）,A:Whatisthebiggestdesertintheworld?B:Sahara.,A:Whatisthedeepestsaltlakeintheworld?B:Caspiansea.,A:Whatisthelongestriverintheworld?B:Nile.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,2a.Listenandnumberthefacts1-4intheorderyouhearthem.（听录音并排序）,6,3005,0005,464300,2,4,Self-studyguidance4:（自学指导四）,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,1,3,2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.（听录音选择填空）,4TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong.2Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,3005,0005,464300,6,300,5,464,Self-studyguidance5:（自学指导五）,1Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold.3ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,5,000,300,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.,2c.