Unit7SectionA2a-2d课件人教版八年级英语下册

人教新目标版八年级(下)Unit7What'sthehighestmountainintheworld?SectionA2a-2dWhenwearesightseeing,

weshouldalsolearnsomethingimportant.geographicalfactshistoricalfactsRevisionlength（长度）depth（深度）height（高度）size(尺寸）长、宽、高、深、面积的表达方法基数词+单位词+形容词（long,wide,high,deep等）基数词+单位词+in+名词（length,width,height,depth,size等）A:What/Whichis____________mountainintheworld?B:It's_____________.A:How______isit?B:It’s_____________________________.the

highestQomolangmahigh8,848.86metershigh/inheightA:What/Whichis_____________

riverintheworld?B:It’s_____________.A:How______isit?B:It’s_____________________________.thelongestTheNilelong6,671meterslong/inlengthQomolangma8,848.86meters

hightheNile6,671meters

longA:What/Whichis______________

lakeintheworld?B:It's_________________.A:How______isit?B:It’s_____________________________.the

deepestdeep1,025metersdeep/indepthA:What/Whichis_____________

desertintheworld?B:It’s_____________.A:How______isit?B:It’s_______________________________.thebiggestTheSaharabig9,600,000squarekilometersinsizetheSahara9,600,000squarekilometersTheCaspianSeatheCaspianSea1,025metersdeepPresentationNewwords

populationAsiafeelfreetourtouristwallamazingancientprotectWideasfarasIknowman-maden.

人口；人口数量n.

亚洲(可以)随便(做某事)n.＆

v.

旅行；旅游n.

旅行者；观光者n.

墙adj.

令人惊喜(或惊叹)的adj.

古代的；古老的v.

保护；防护adj.

宽的；宽阔的就我所知adj.人造的Pre-listening630050005465300Readthenumbers.sixthousandandthreehundredfivethousandfivethousand,fourhundredandsixty-fivethreehundred2aListenandnumberthefacts[1-4]intheorderyouhearthem.4213

n.亚洲

长江6,3005,4645,000300riverpopulationhistorysizealot/much/even/still/faralittle/abit/alittlebit/kindof+adj./adv.及其比较级2aListenandfillintheblanksin2awiththenumbersintheboxes.PresentationReadingListenandrepeat.①②③④Listenagainandfillintheblanks.theUnitedStatesabittheoldest5,000mucholderthantheyoungest300Boy：AndChinahas______________________,too.It’salotbiggerthanthepopulationoftheUnitedStates.Mike：ButChinaisabout_____________astheUS,right?Girl：Yes,andit’sthebiggestcountryinAsia.Wealsohavesomefamousrivers.________________isthelongestriverinAsia.It’sabout______kilometerslong.Mike：Wow!Ididn’tknowthat.I_______theYellowRiverwaslonger.Boy：No,theYellowRiveris5,464kilometerslong.But______riversareveryimportanttoChina.thebiggestpopulationthesamesizeTheYangtzeRiver6,300thoughtbothLet’ssaywiththeinformationinchart.Country:ChinaAge:over5000yearsold.Population:thebiggestpopulation.Size:about9,600,000squarekilometers.Famousrivers:theYellowRiver;

theYangtzeRiverChinaisoneof__________countriesintheworld.It’sover____yearsold.Ithasthe______populationandit’sabout9,600,000squarekilometers_________.________________isthelongestriverinChina.______________isthesecondlongestriver,andit’sabout______________long.theoldest5000biggestinsizeTheYangtzeRiverTheYellowRiver5464kilometers2cPost-listeningMakeconversationsusingtheinformationin2a.ChinatheUSpopulation1,360,000,000320,000,000size9,600,0009,370,000history5000+300+river......A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthantheUS.A:Infact,itisabout9,600,000squarekilometersinsize.A:...PresentationListenandfill.Theyaretalkingabout_____________.It’sabout__________kilometerslong.2dtheGreatWall8,850tourguideTheyaretourists.Thetourguide____thetouriststo______________.ledguidedtheGreatWallReadingHowlongistheGreatWall?

TheGreatwallofMingDynastyisabout8,850kilometerslong.2.Whobuiltthewall?Theancientemperors.3.Whatwasitbuiltfor?

Itwasbuiltforprotectingthecountry.Itwasbuilttoprotectthecountry(fromtheenemiesoutside).Readtheconversationin2dandanswerthequestions.make+宾语+宾补Thisisthebiggestman-madeobjects.abouton专业知识正如你所看到的那样据我所知随便做某事1.随便做某事2.问我有关...的任何问题3.谈论4.使它成为……5.修长城6.古代皇帝7.主要原因8.正如你所看到的那样9.据我所知10.人造物feelfreetodosth

askmeanythingon/about...talkabout

makeit+n/adjbuildtheGreatWall

ancientemperors

mainreasonasyou(can)see

asfarasIknowman-madething/objectRecitePresentationLet'sfeelfree__________(talk)abouttheGreatWall.IfweareonlytalkingaboutthepartsfromMingDynasty,itisabout8,850________________.Thismakesit__________(long)wallintheworld.Theancientemperorsbuiltit____________(protect)theirpartofcountry.It'squite______and_______.Therearenootherman-made__________(object)as_______(big)asit.AndBadalingis_________________(famous)partoftheGreatWall.totalkkilometerslongthelongesttoprotecttallwideobjectsbigthemostfamous2d1.Chinahasthebiggestpopulationintheworld.population

集体名词，“人口；人口数量”，

无复数形式。作主语时，谓语动词用第三人称单数形式。thepopulationof“……的人口数量”，人口“多”用large或big来修饰；

人口“少”用small来修饰。分数或百分数修饰population作主语时，谓语动词常用复数形式。Languagepoints询问人口数量：

What’sthepopulationof…?Howlargeisthepopulationof…?

不能用howmany或howmuch提问。你家乡的人口是多少？（翻译句子并写出同义句）What’sthepopulationofyourhometown?_________________________________________Howlargeisthepopulationofyourhometown?2.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?

宾语从句表示的内容是客观事实、真理或自然现象等，从句要用一般现在时。Hetoldmethattheearthislargerthanthemoon.例：他告诉我地球比月球大。主句that

引导的宾语从句～～～～～～～～～～～～～～～～～～～～～～～～～～,that’samazing!amazingadj.令人惊奇的amazedadj.感到惊奇的sb.beamazedatsth.对……感到惊讶amazev.使惊讶Infall,leavesfalldownanditmakean________scene.Thenews_______________usalot.Iwas____________athisprogress.amazing

amazed/amazesamazed4.Whydidtheancientemperorsbuildthewall.ancientadj.古老的；古代的n.古人，古代人Heisancient-hemustbeatleastseventy.()Theancientsbelievedthatboththesunandthemoonwereplanets.()adj.n.5.Themainreasonwastoprotecttheirpartofthecountry.(1)protect…against/from…使免受它可被用来保护人民免受疾病困扰。Itcanbeusedtoprotectpeopleagainst/fromillnesses.他举起他的左手使自己免遭伤害。Heraisedhislefthandtoprotecthimselffrombeinghurt.(2)protectionn.保护，防卫protectorn.保护人（或组织、装置等）protectiveadj.保护的，防护的Itiseveryone’sjobto__________theenvironment.Thetreesformanatural__________fromthesunshine.Thefatherputa__________armaroundson’sshoulders.Manymothersseetheirsonasa__________

tectiveprotectprotectionprotector

你的朋友要来中山游玩，请向他介绍孙中山故居（SunYat-sen’s

formerresidence）

1.位于（belocatedin）中山市南朗镇东南2.建于1892年3.有130年的历史4.占地面积500平方米geographicalfactshistoricalfactsSamplePresentationClasstest1.HangzhouwillbethethirdChinesecitytohostthe_______(Asia)GamesafterBeijingandGuangzhou.2.Hewearssunglasses_______(protect)hiseyesagainstthestrongsunlight.3.Feelfree_______(ask)meanythingontoday’sGreatWalltour.