人教版八級下Unit7SectionA1a~2d教案

Unit7What’sthehighestmountainintheworld?SectionA(1a~2d)教學(xué)目標【知識與技能】1.語言目標：掌握本單元重點詞匯及能用比較級和最高級談?wù)摳髦睢?.技能目標：能聽懂和談?wù)撚嘘P(guān)地理和自然的話題?！厩楦小B(tài)度與價值觀】培養(yǎng)學(xué)生熱愛大自然，保護環(huán)境的意識。教學(xué)重難點【教學(xué)重點】1.學(xué)會使用比較級、最高級。2.正確使用有關(guān)原級、比較級、最高級的句型?！窘虒W(xué)難點】1.不規(guī)則形容詞、副詞的比較級和最高級形式，尤其是多音節(jié)形容詞及副詞。2.靈活運用比較級、最高級談?wù)撟匀痪坝^。教學(xué)準備圖片、視頻、多媒體等教學(xué)過程Step1WarmingupStep1Presentation1.Newwords:squaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口populationn.人口Asian.亞洲tourv.n.旅行touristn.旅行者walln.墻amazingadj.令人大為驚奇的ancientadj.古代的wideadj.寬的；寬闊和2.Showsomepicturesandinformationofthehighestmountain,thelongestriver,thebiggestriver,thebiggestlakeandthebiggestdesertintheworld.Step2Warmingup1.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.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighStep4Explanation…8,844.43metershigh.米高…metershigh(long,wide…)……米高（長,寬……)。英語表示“有多長（寬，高……）”時，一般將數(shù)詞和數(shù)量單位放在表示長寬高的形容詞前作狀語。.Thewallis1.7metreswide.Step5Practiceinpairsusingtheinformationin1a.1.A:Whichisthehighestmountainintheworld?B:It’sQomolangma.2.A:HowhighisQomolangma?B:It’s8,844.43metershigh.Step6Listening1.1bListenandcompletethesentences.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.Step7Practice2cMakeconversationsinpairs.ExamplesA:DidyouknowthatChinaifoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.Step82d1.Readtheconversationandanswerthequestions:1)Whichisthebiggestman-madeobjectintheworld？2)WhichisthemostfamouspartoftheMingGreatWall?2.Role-playtheconversation.Step9Languagepointsandsummary1.Chinahasthebiggestpopulationintheworld.中國是世界人口最多的國家。population意為“人口”時，是一個集合名詞。它在句中作主語時，謂語動詞通常用單數(shù)形式。其常用句型為“Thepopulationof+某地+is+數(shù)詞”或“某地+hasapopulationof+數(shù)詞”，表示“某地有多少人口”。如：Thepopulationofmycityisthreemillion.◆當表示人口“多”或“少”時，常用形容詞large，big或small修飾population。如：Thetownhasalarge/big/smallpopulation.◆當對人口數(shù)量進行提問時，要用疑問詞what或howlarge。如：

What/Howlargeisthepopulationofyourcountry?【運用】完成句子，每空一詞。(1)這個國家人口少。Thecountry__________________.(2)我的家鄉(xiāng)有100萬人口。Myhometown_______________onemillion.(3)北京有多少人口？_____________________Beijing?2.Feelfreetoaskmeanythingontoday’sGreatWalltour.在今天的長城游中，大家盡管問我任何問題，不要拘束。feelfree是英語口語中一個常用表達。若有人讓你feelfreetodosomething,就是讓你無需拘束，只管按照自己的意愿去做某事。.A:CanIuseyourbathroom?我可以用一下你的衛(wèi)生間嗎？B:Yes,feelfree.可以，請隨意。3.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.據(jù)我所知，再沒有像它這樣大的人造物體了。1)asfarasIknow是一個固定的表達方式，還可以說sofarasIknow,意思是“據(jù)我所知”。.AsfarasIknow,Jack’sgottwinsisters.就我所知，杰克有一對孿生姐妹。They’renotcomingtoday,sofarasIknow.他們今天不來了–就我所知是這樣的。2)句中man-made是一個合成形容詞，意為“人造的”。像這樣與-made復(fù)合而成的形容詞不止一個。用以描述產(chǎn)品的生產(chǎn)或制造手段，特點等，常見的有：handmade—手工制作的homemade—家庭制作的machine-mad