英语人教版八年级下册Unit 7 Section A .doc

Unit7Whatsthehighestmountainintheworld? 教学设计教学目标：1. 语言目标：掌握本单元重点词汇及能用比较级和最高级谈论世界相关地理事物2. 技能目标：能听懂和谈论有关地理和自然的话题；大数字的听、说、读、写。3.情感目标：培养学生热爱大自然，保护环境的意识。教学重点：短语:insize, intheworld,twometerstall / long / wide,thebiggestpopulation, oneofthebiggest,talkabout.句子:A: Whatsthehighestmountainintheworld?B: Qomolangma.A: HowhighisQomolangma?B: Its8,844.43metershigh.Itshigherthananyothermountain in the world.A: Whichisthedeepestsaltlakeintheworld?B: TheCaspianSeaisthedeepestofallthesaltlakes.A: DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B: Yes,Idid.ItsmucholderthantheUS.教学难点：a.形容词和副词的比较级和最高级变化规则和用法。b.物体之间的对比。Step1 Review the words.squaren.平方metern.米 deepadj.深的desertn.沙漠populationn.人口populationn.人口Asian.亚洲tourv.n.旅行 touristn.旅行者walln.墙amazingadj.令人大为惊奇的ancientadj.古代的wideadj.宽的；宽阔Step2Warming-up1. Look atthepictures andtalkaboutthemRuler A is long. / Ruler B is longer. / Ruler C is the longest of the three. Box A is big. / Box B is bigger. / Box C is the biggest of the three.2. 引导学生观察并归纳形容词或副词的比较级、最高级的结构及用法。Step3Leading-in. ( guessing and saying )Look atthepictures andguess: Whats this?This is a mountain.Whats the highest mountain in the world?Qomolangma.How high is it?It is 8,844metershigh.Step4Presentations.1a.Matchthefactsyouknow.Then practiceinpairs using the information in 1a.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighStep5Listening.1.1bListenandcompletethesentences.1)Qomolangmais_thananyothermountainintheworld.2)TheSaharais_desertintheworld.3)TheCaspianSeais_ofallthesaltlakes.4)TheNileis_riverintheworld.2.2aListenandnumberthefacts(1-4)intheorderyouhearthem.2bListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,464300_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.Step6Practice.1cMakeconversationsinpairs.Examples：A:DidyouknowthatChinaifoneoftheoldestcountriesintheworld?B:Yes,Idid.Its