英语人教版八年级下册unit 7.ppt

Unit7,Unit7Whatsthehighestmountainintheworld?,SectionA23a-3c,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?,Revision,Qomolangma-themostdangerousmountainintheworld,珠穆朗玛峰，峰高势伟，地理环境独特，峰顶的最低气温常年在零下三四十摄氏度。山上一些地方常年积雪不化，冰川、冰坡、冰塔林到处可见。峰顶空气稀薄，空气的含氧量只有东部平原地区的四分之一，经常刮七八级大风。十二级大风也不少见。风吹积雪，四溅飞舞，弥漫天际。6珠峰地区及其附近高峰的气候复杂多变，即使在一天之内，也往往变化莫测，更不用说在一年四季之内的翻云覆雨。大体来说，每年6月初至9月中旬为雨季，强烈的东南季风造成暴雨频繁，云雾弥漫，冰雪肆虐无常的恶劣气候。11月中旬至翌年2月中旬，因受强劲的西北寒流控制，最低气温可达-50，平均气温在-30左右。最大风速可达90米/秒。每年3月初至5月末，这里是风季过度至雨季的春季，而9月初至10月末是雨季过度至风季的秋季。在此期间，有可能出现较好的天气，是登山的最佳季节。由于气候极度寒冷，又被称为世界第三极.,喜马拉雅山是世界上最高大最雄喜马拉雅山脉伟的山脉。它耸立在青藏高原南缘，分布在中国西藏和巴基斯坦、印度、尼泊尔和不丹等国境内，其主要部分在中国和尼泊尔交接处。西起青藏高原西北部的南迦帕尔巴特峰，东至雅鲁藏布江急转弯处的南迦巴瓦峰，全长2450千米，宽200350千米。据最新测定数据表明，珠穆朗玛峰平均每年增高1厘米。,Listening,playthetape,followitandcirclethenewwords.,freezingadj.极冷的；冰冻的,naturen.大自然,thickadj.厚的；浓的,Newwords,1.achievementn.成就；成绩e.g.Wefeltagreatsenseofachievementwhenwereachedthetopofthemountain.当我们到达山顶的时候，有一种巨大的成就感。2.achievev.达到；完成；成功e.g.Hewillneverachieveanythingifhedoesntworkharder.如果他不努力工作，就会一事无成。,Learnmorenewwords.,3.southwesternadj.西南的；西南方向的e.g.IsthisSouthwesternAirline?这是西南航空公司吗？4.includev.包含；包括e.g.Herhobbiesincludeswimmingandgardening.她爱好游泳和园艺。5.conditionn.条件；状况e.g.Thepianowasingoodcondition.这台钢琴状况良好。,6.takein吸入；容纳e.g.Fishtakeinoxygenthroughtheirgills.鱼用鳃吸氧气。7.succeedv.实现目标；成功e.g.Ifyoutryhardyoullsucceed.你如果努力就会成功。常用短语：succeedindoingsth.e.g.Policehavefinallysucceededinsolvingthemystery.警察最终成功破解了这个疑案。,8.challengev.&n.挑战；考验e.g.Thejobdoesntreallychallengehim.这项工作不能真正的考验他。Thenewgovernmentsfirstchallengeistheeconomy.新政府面临的第一个挑战是经济问题。9.inthefaceof面对（困难、问题等）e.g.Inthefaceofdifficulties,hescompletelyunafraid.他在困难面前毫不胆怯。,10.forcen.力；力量e.g.Thethieftookthemoneyfromtheoldmanbyforce.窃贼用暴力抢了老人的钱。,WhatdoyouknowaboutQomolangma?TalkaboutQomolangmainpairs.,Pre-reading,Readthearticlebyyourselfandfindthefollowingphrases.,1.最危险的山峰2.世界上最危险的运动之一3.登山（名词短语）/（动词短语）,themostdangerousmountain,oneoftheworldsmostdangeroussports,mountainclimbing/climbmountains,Reading,4.来自世界各地的登山者5.横亘于中国的西南边界6.在所有的山峰中7.厚厚的云层,theclimbersfromallovertheworld,runalongthesouthwesternpartofChina,ofallthemountains,thickclouds,8.更为严重的困难9.寒冷的天气状况和强劲的暴风雪10.首次到达珠穆朗玛峰顶的人,moreseriousdifficulties,freezingweatherconditionsandheavystorms,thefirstpeopletoreachthetopofQomolangma,11thickclouds/snowcanfallveryhard/freezingweatherconditions/heavystorms12OnMay29,1953TenzingNorgayandEdmundHillarywerethefirsttoreachthetop.In1960,thefirstChineseteamreachedthetop.In1975,thefirstwomantosucceedwasJunkoTabeifromJapan.13Peoplecanchallengethemselvesinthefaceofdifficulties.Weshouldnevergiveuptryingtoachieveourdream.14HimalayasrunalongthesouthwesternpartofChina.15Qomolangmais8,844.43metershigh.16Humanscansometimesbestrongerthantheforcesofnature.,Readthearticleagainandmatcheachparagraphwiththemainideas.,Paragraph1SpiritofclimbersParagraph2AchievementsofclimbersParagraph3Factsanddangers,3a,Readthearticleagainandcompletethechart.,3b,itcansnowhard,freezingweatherconditions,heavystorms,veryhardtobreathasyougetnearthetop,1960ThefirstChineseteamreachedthetop,1975JunkoTabeifromJapanwasthefirstwomantoreachthetop,mostpopularplace,moreseriousdifficulties,strongerthantheforcesofnature,Answerthequestionsusinginformationfromthearticle.,1.WherearetheHimalayas?2.HowhighisQomolangma?,TheyrunalongthesouthwesternpartofChina.,Itis8,844.43metershigh.,3c,3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?,Becausetheywanttochallengethemselvesinthefaceofdifficulties.,4.Whatdoesthespiritoftheclimberstellus?,Thespiritoftheclimberstellsusthatweshouldnevergiveuptryingtoachieveourdreamsandhumanscansometimesbestronge