初中英语人教版八年级下册Section A 3a3c.docx
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初中英语人教版八年级下册SectionA3a3c
Unit7What’sthehighestmountainintheworld?
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各之最。
2技能目标：
能听懂和谈论有关地理和自然的话题。
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,2meterstall/long/wide,thebiggestpopulation,oneofthebiggest,themostpopularquestion,talkabout,theancientemperors,themainreason,asfarasIknow,noman-madeobjects,mountainclimbing,thesouthwesternpartofChina,thickclouds,coverthetop,riskone’slife,challengeoneself,achieveone’sdream，theforestofnature,trytodosth.,thespiritoftheclimbers,manytimesmorethan,liveupto,prepare…for..,beawake,bespecialtosb.,spendsometimedoingsth.,intheremainingforest,endangeredanimals,inthefuture…
句子:
What’sthehighestmountainintheworld?
Qomolangma.
HowlongisQomolangma?
It’s8,844.43metershigh.It’shigherthananyothermountain.
Whichisthedeepestsaltlakeintheworld?
TheCaspianSeaisthedeepestofallthesaltlake.
DidyouknowthatChinaisoneoftheoldestcountriesintheworld?
Yes,Idid.It’smucholderthantheUS.
教学难点：
形容词和副词的比较级和最高级变化规则和用法。
物体之间的对比。
课时划分：
Period1SectionA11a–2d
Period2SectionA23a-3c
Period3SectionA3Grammarfocus-4c
Period4SectionB11a-2e
Period5SectionB23a-Selfcheck
SectionA1（1a–2d）
Step1Presentation
1.Newwords:
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；宽阔和
2.Showsomepicturesandinformationofthehighestmountain,thelongestriver,thebiggestriver,thebiggestlakeandthebiggestdesertintheworld.
Step2Warmingup
1.Watchthephotosandtalkaboutthem“Howbig/high/long/bigis…?
’andhelpthestudentstoanswer:
It’s…meters/kilometers/cmbig/high/long/big.
2.Lookthesephotosandpracticethedialogue:
e.g.A:
HowhighisQomolangma?
B:
It’s8,844.43metershigh.
Step31aMatchthefactsyouknow.
Qomolangma
about9,600,000squarekilometersinsize
TheSahara
1,025metersdeep
TheCaspianSea
6,671kilometerslong
TheNile
8,844.43metershigh
Step4Explanation
…8,844.43metershigh.8,844.43米高
…metershigh（long,wide…）
……米高（长,宽……）。
英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。
e.g.Thewallis1.7metreswide.
Step5Practiceinpairsusingtheinformationin1a.
1.A:
Whichisthehighestmountainintheworld?
B:
It’sQomolangma.
2.A:
HowhighisQomolangma?
B:
It’s8,844.43metershigh.
Step6Listening
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.It’salotbiggerthanthepopulationoftheUS.
___Chinaisover___yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven___yearsold.
___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.
Step7Practice
2cMakeconversationsinpairs.
Examples
A:
DidyouknowthatChinaifoneoftheoldestcountriesintheworld?
B:
Yes,Idid.It’smucholderthanmycountry.
Step82d
1.Readtheconversationandanswerthequestions:
1）Whichisthebiggestman-madeobjectintheworld？
2）WhichisthemostfamouspartoftheMingGreatWall?
2.Role-playtheconversation.
Step9Languagepointsandsummary
1.Chinahasthebiggestpopulationintheworld.
中国是世界人口最多的国家。
population意为“人口”时，是一个集合名词。
它在句中作主语时，谓语动词通常用单数形式。
其常用句型为“Thepopulationof+某地+is+数词”或“某地+hasapopulationof+数词”，表示“某地有多少人口”。
如：
Thepopulationofmycityisthreemillion.
◆当表示人口“多”或“少”时，常用形容词large，big或small修饰population。
如：
Thetownhasalarge/big/smallpopulation.
◆当对人口数量进行提问时，要用疑问词what或howlarge。
如：
What/Howlargeisthepopulationofyourcountry?
【运用】完成句子，每空一词。
（1）这个国家人口少。
Thecountry__________________.
（2）我的家乡有100万人口。
Myhometown_______________onemillion.
（3）北京有多少人口？
_____________________Beijing?
2.Feelfreetoaskmeanythingontoday’sGreatWalltour.
在今天的长城游中，大家尽管问我任何问题，不要拘束。
feelfree是英语口语中一个常用表达。
若有人让你feelfreetodosomething,就是让你无需拘束，只管按照自己的意愿去做某事。
e.g.A:
CanIuseyourbathroom?
我可以用一下你的卫生间吗？
B:
Yes,feelfree.可以，请随意。
3.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.
据我所知，再没有像它这样大的人造物体了。
1）asfarasIknow是一个固定的表达方式，还可以说sofarasIknow,意思是“据我所知”。
e.g.AsfarasIknow,Jack’sgottwinsisters.
就我所知，杰克有一对孪生姐妹。
They’renotcomingtoday,sofarasIknow.
他们今天不来了–就我所知是这样的。
2）句中man-made是一个合
成形容词，意为“人造的”。
像这样与-made复合而成的形容词不止一个。
用以描述产品的生产或制造手段，特点等，常见的有：
handmade—手工制作的
homemade—家庭制作的
machine-made—机制的
tailor-made—量体定制的；特制的；定做的
甚至还有像self-made（自学而成的；自我奋斗而成的；天然形成的）可以用来描述人。
Step10Exercises
Step11Homework
1.Memorizetheimportantphrasesandsentences.
2.Makesomedialoguesaboutaskingthesizeofobjects.
SectionA2（3a–3c）
Step1Revision
Lookatthephotos.Answerthefollowingquestions.
Whichisthehighestmountainintheworld?
WhichisthelongestriverinAsia?
…
Step2Learnthenewwords.
1.achievementn.成就；成绩
e.g.Wefeltagreatsenseofachievementwhenwereachedthetopofthe
mountain.当我们到达山顶的时候，我们有一种巨大的成就感。
2.achievev.达到；完成；成功
e.g.Hewillneverachieveanythingifhedoesn’tworkhard.
如果他不加紧努力工作，他会一事无成。
3.southwesternadj.西南的；西南方向的
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.challengev.&n.挑战；考验
e.g.Thejobdoesn’treallychallengehim.这项工作不能真正的考验他。
Thenewgovernment’sfirstchallengeistheeconomy.
新政府面临的第一个挑战是经济问题。
8.inthefaceof面对（困难、问题等）
e.g.Inthefaceofdifficulties,he’scompletelyunafraid.
他在困难面前毫不胆怯。
9.forcen.力；力量
e.g.Thethieftookthemoneyfromtheoldmanbyforce.
窃贼用暴力抢了老人的钱。
Step3Pre-ReadTalkbelowquestionsinpairs.
WhatdoyouknowaboutQomolangma?
IsQomolangmathemostdangerousmountainintheworld？
Step4Reading
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）
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
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
Answers:
1.themostdangerousmountain2.oneoftheworld’smostdangeroussports3.mountainclimbing/climbmountains
4.theclimbersfromallovertheworld5.runalongthesouthwesternpartofChina6.ofallthemountains7.thickclouds8.moreseriousdifficulties
9.freezingweatherconditionsandheavystorms10.thefirstpeopletoreachthetopofQomolangma
3aReadthearticleandmatcheachparagraphwiththemainideas.
Paragraph1spiritofclimbers
Paragraph2achievementsofclimbers
Paragraph3factsanddangers
3b.Readthearticleagainandcompletethechart.
Paragraph1
Paragraph2
Paragraph3
Listtourdangersforclimbers.
Listthreeachievements
Listtourcomparisons
thickclouds
1953—TenzingNorgayandEdmundHillarywerethefirsttoreachthetop
Mostdangeroussport
snowcanfallveryhard
freezingweather
conditions
heavystorms
ThefirstChineseteamreachedthetopin1960.
ThefirstwomantosucceedwasJunkoTabeifromJapanin1975.
Peoplecanchallengethemselvesinthefaceofdifficulties.
Nevergiveuptryingtoachieveourdream.
Humanscanbestrongerthantheforcesofnature.
3cAnswerthequestionsusinginformationinthearticle.
1.WherearetheHimalayas?
InthesouthwesternpartofChina.
2.HowhighisQomolangma?
8,844.43metershigh.
3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?
Becausetheywanttochallengethemselvesinthefaceofdifficulties.
4.Whatdoesthespiritoftheclimberstellus?
Weshouldnevergiveuptryingtoachieveourdreams.
Accordingtothepassage,fillintheblanks.
Oneofthemost___________sportsintheworldismountain_________,andoneofthemost_________placestogoforthisistheHimalayas.Theseextremelyhigh_______attract_________fromallovertheworld.Manypeoplesaythisisoneofthemost________partsoftheworld.TheHimalayas_______alongthe____________borderofchina.Ofallthepeaks（tops）,Qomolangmaisthe_________andmost_________.It’s_____________toclimbQomolangmabecausethickclouds_______thetopofthemountain.Evenmoreserious___________includethefreezing___________conditionsandthe_______storms.Thefirst_________toreachthetopofQomolangma–TenzingNorgayandEdmundHillary–diditin1953.ThefirstChineseclimber__________thetopin1960,andin1975,thefirst__________didittoo.
Answers:
dangerous,climbing,popular,risks,climbers,famous,runs,southwestern,highest,famous,thehardest,cover,difficulties,weather,heavy,people,reached,woman
Step5Languagepoints
1.Oneoftheworld’smostdangeroussportsismountainclimbing,…
“oneof+the+形容词的最高级+复数名词”，意为“最……之一”。
如：
MissWangisoneofthemostpopularteachersinourschool.
王老师是我们学校最受欢迎的老师之一。
2.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.
1）Difficulty既可作可数名词也可作不可数名词，在此用作可数名词。
做可数名词时，difficulty常用作复数，表示具体概念，即：
各种各样的“困难;难事;难题”。
例如：
Peoplelearninganewlanguagemayfacesomedifficulties.
人们学习一门新的语言时可能会遇到一些困难。
作不可数名词时，difficulty可译作“困难；艰难；辛苦；费劲”，例如：
Hehadgreatdifficultyin
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