初中英语人教版八年级下Unit7SectionA1a~2d教案

Unit7What’sthehighestmountainintheworld?SectionA(1a~2d)教课目的【知识与技术】语言目标：掌握本单元要点词汇及能用比较级和最高等讨论各之最。技术目标：能听懂和讨论相关地理和自然的话题。【感情、态度与价值观】培育学生热爱大自然，保护环境的意识。教课重难点【教课要点】学会使用比较级、最高等。正确使用相关原级、比较级、最高等的句型。【教课难点】不规则形容词、副词的比较级和最高等形式，特别是多音节形容词及副词。灵巧运用比较级、最高等讨论自然景观。教课准备图片、视频、多媒体等教课过程Step1WarmingupStep1Presentation1.Newwords:squaren.平方metern.米deepadj.深的desertn.荒漠populationn.人口populationn.人口Asian.亚洲tourv.n.旅游touristn.旅游者walln.墙amazingadj.令人大为诧异的ancientadj.古代的wideadj.宽的；广阔和Showsomepicturesandinformationofthehighestmountain,thelongestriver,thebiggestriver,thebiggestlakeandthebiggestdesertintheworld.Step2Warmingup1.Watchthephotosandtalkaboutthem“Howbig/high/long/bigis?’answer:It’smeters/kilometers/cmbig/high/long/big.

andhelpthestudentstoLookthesephotosandpracticethedialogue:e.g.A:HowhighisQomolangma?It’s8,844.43metershigh.Step31aMatchthefactsyouknow.Qomolangma

about9,600,000squarekilometersinsizeTheSahara

1,025metersdeepTheCaspianSea

6,671kilometerslongTheNile

8,844.43metershighStep4Explanation8,844.43metershigh.8,844.43米高metershigh(long,wide)米高（长,宽)。英语表示“有多长（宽，高）”时，一般将数词和数目单位放在表示长宽高的形容词前作状语。e.g.Thewallis1.7metreswide.Step5Practiceinpairsusingtheinformationin1a.A:Whichisthehighestmountainintheworld?It’sQomolangma.A:HowhighisQomolangma?It’s8,844.43metershigh.1.1bListenandcompletethesentences.Qomolangmais______thananyothermountainintheworld.TheSaharais____________desertintheworld.TheCaspianSeais____________ofallthesaltlakes.TheNileis_________riverintheworld.2aListenandnumberthefacts(1-4)intheorderyouhearthem.2bListenagainandfillintheblanksin2awiththenumbersinthebox.6,3005,0005,464300___TheYangtzeRiverisabout____kilometerslongandtheYellowRiveris___kilometerslong.___Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.yearsold.___ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.Step7Practice2cMakeconversationsinpairs.1.Readtheconversationandanswerthequestions:Whichisthebiggestman-madeobjectintheworld？WhichisthemostfamouspartoftheMingGreatWall?2.Role-playtheconversation.Chinahasthebiggestpopulationintheworld.中国是世界人口最多的国家。population意为“人口”时，是一个会合名词。它在句中作主语时，谓语动词往常用单数形式。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.◆当对人口数目进行发问时，要用疑问词what

或

howlarge。如：What/Howlargeisthepopulationofyourcountry?【运用】达成句子，每空一词。这个国家人口少。我的家乡有100万人口。(3)北京有多少人口？_____________________Beijing?2.Feelfreetoaskmeanythingontoday

’sGreatWalltour.在今日的长城游中，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。如有人让你feelfreetodosomething,

就是让你无需拘束，尽管依据自己的意向去做某事。e.g.A:CanIuseyourbathroom?我能够用一下你的洗手间吗？Yes,feelfree.能够，请任意。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，还能够说sofarasIknow,意思是“据我所知”。e.g.AsfarasIknow,Jack’sgottwin就我sisters所知，.杰克有一对孪生姐妹。They’renotcomingtoday,sofarasIknow.他们今日不来了–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只一个。用以描绘产品的生产或制造手段，特色等，常有的有：handmade—手工制作的homemade—家庭制作的machine-made—体制的tailor-made—量体定制的