Unit7+SectionA+1a-2c 人教版英语八年级下册

Unit7What’sthehighestmountainintheworld?SectionA1a-2cObjectivesTolearntousecomparativesand

superlativeswithadjectivesandadverbsTolearnnewwords:thePacificOcean…Canyoureadthenumbers?2710121520345789100112200ninepointsixmilliononethousandandtwenty-fivesixthousandsixhundredandseventy-oneeightthousandeighthundredandforty-fourpointfourthree9,600,0001,0256,6718,844.431000以上的基数词的表示法:先从右至左数，每三位加一个逗点。如：1,234,567,890onebilliontwohundredand

thirtyfourmillion

fivehundredandsixtyseventhousand

eighthundredandninety注:①“无万借千”。

②十前“and”。一逗是千二逗百万三逗十亿Canyoureadthem?9,600,0001,0256,6718,844.43[‘θaʊzənd][‘mɪljən][‘bɪljən]9,660,1701,111,111,1115,201,314

ninemillionsixhundredandsixtythousandonehundredandseventyonebilliononehundredandelevenmilliononehundredandeleventhousandonehundredandelevenfivemilliontwohundredandonethousandthreehundredandfourteen当堂达标Icanreadthem!9,600,0001,0256,6718,844.43

onethousandandtwenty-fiveeightthousandeighthundredandfourty-fourpointfourthreesixthousandsixhundredandseventy-oneninemillionsixhundredthousandPresentationsquaren.平方metern.米deepadj.深的desertn.沙漠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；宽阔的Qomolangma about9,600,000squarekilometersinsize TheSahara 1,025metersdeep TheCaspianSea 6,671kilometerslong TheNile 8,844.43metershigh

1a.Matchthefactsyouknow.1.Qomolangmais ________thananyother

mountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest1.WhichisthefirstlongestriverinAsia?Howlongisit?

2.WhichisthesecondlongestriverinAsia?Howlongisit?6,300

kilometers5,464

kilometers2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.______TheYangtzeRiverisabout________ kilometerslongandtheYellowRiveris __________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,300 5,000 5,464 3006,3005,464____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.5,000300A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.用big说面积和人口,

用long或old说历史2c.Makeconversationsusingtheinformationin2a.比较China,TheUSGroupwork2dRole-playtheconversation.Guide:Feelfreeto

❹askmeanythingontoday'sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe'reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8，850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:Wow,that’samazing!

Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotect❺theirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow❻,therearenootherman­madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it'sthemostfamouspart.知识点考向feelfree后可接动词不定式，feelfreeto...表示很随意地去做某事。feelfree是英语口语中一个常用表达。eg:Pleasefeelfreetoaskquestions.请随意提问。4feelfree(可以)随便(做某事)【重点】知识点5protect/prə'tekt/v.保护；防护考向一protect...from/against...保护……免受/遭……eg:Theysattogethertoprotectthemselvesfromthewind.他们坐在一起，免受风吹。【重点】知识点eg:AsfarasIknow,he’llbeawayforthreemonths.据我所知，他将外出三个月。6asfarasIknow就我所知考向asfarasIknow(=sofarasIknow)，是一个固定表达，asfaras远至；就……而言。1.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。Languagepoints2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.

据我所知，再没有像它这样大的人造物体了。asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。例如：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。3.theMingGreatWall明长城“明长城”是指明朝时期为了防御北方游牧民族的骚扰，历时一百多年在北部地区修筑的军事防御工程。这段长城东起辽宁虎山，西至甘肃嘉峪关，从东向西横贯多个省、直辖市、自治区，全长约8850千米，是现存历代长城遗迹中最完整、最坚固的。Summary:1.Somenumbers.2.Sentencepatterns:

A:What’sthehighest/biggest/deepest/longest…?B:…isthehighest/biggest/deepest.…ishigher/bigger/deeperthan

anyother…

A:Howhigh/deep/longis…?B:…is…high/deep/long.A:TheSaharais9,600,000squarekilometersinsize.一、根据句意及首字母提示补全单词1.Thevillageisabout2,000mabovethelevel.2.Manytcomeheretovisitthebigtreeeveryyear.3.Thewaterisonlyafewinchesd.4.TherearemanyawallsinXi'an.5.Thisisanastory.etersouristseepncientmazing二、根据汉语意思完成句子，每空一词6.加拿大的人口是多少？____________________________ofCanada?7.就我所知，丽萨是她家最小的孩子。_______________________________