Unit7SectionA2a-2d課件人教版八年級(jí)英語下冊(cè)

人教新目標(biāo)版八年級(jí)(下)Unit7What'sthehighestmountainintheworld?SectionA2a-2dWhenwearesightseeing,

weshouldalsolearnsomethingimportant.geographicalfactshistoricalfactsRevisionlength（長度）depth（深度）height（高度）size(尺寸）長、寬、高、深、面積的表達(dá)方法基數(shù)詞+單位詞+形容詞（long,wide,high,deep等）基數(shù)詞+單位詞+in+名詞（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；人口數(shù)量n.

亞洲(可以)隨便(做某事)n.＆

v.

旅行；旅游n.

旅行者；觀光者n.

墻adj.

令人驚喜(或驚嘆)的adj.

古代的；古老的v.

保護(hù)；防護(hù)adj.

寬的；寬闊的就我所知adj.人造的Pre-listening630050005465300Readthenumbers.sixthousandandthreehundredfivethousandfivethousand,fourhundredandsixty-fivethreehundred2aListenandnumberthefacts[1-4]intheorderyouhearthem.4213

n.亞洲

長江6,3005,4645,000300riverpopulationhistorysizealot/much/even/still/faralittle/abit/alittlebit/kindof+adj./adv.及其比較級(jí)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+賓語+賓補(bǔ)Thisisthebiggestman-madeobjects.abouton專業(yè)知識(shí)正如你所看到的那樣據(jù)我所知隨便做某事1.隨便做某事2.問我有關(guān)...的任何問題3.談?wù)?.使它成為……5.修長城6.古代皇帝7.主要原因8.正如你所看到的那樣9.據(jù)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

集體名詞，“人口；人口數(shù)量”，

無復(fù)數(shù)形式。作主語時(shí)，謂語動(dòng)詞用第三人稱單數(shù)形式。thepopulationof“……的人口數(shù)量”，人口“多”用large或big來修飾；

人口“少”用small來修飾。分?jǐn)?shù)或百分?jǐn)?shù)修飾population作主語時(shí)，謂語動(dòng)詞常用復(fù)數(shù)形式。Languagepoints詢問人口數(shù)量：

What’sthepopulationof…?Howlargeisthepopulationof…?

不能用howmany或howmuch提問。你家鄉(xiāng)的人口是多少？（翻譯句子并寫出同義句）What’sthepopulationofyourhometown?_________________________________________Howlargeisthepopulationofyourhometown?2.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?

賓語從句表示的內(nèi)容是客觀事實(shí)、真理或自然現(xiàn)象等，從句要用一般現(xiàn)在時(shí)。Hetoldmethattheearthislargerthanthemoon.例：他告訴我地球比月球大。主句that

引導(dǎo)的賓語從句～～～～～～～～～～～～～～～～～～～～～～～～～～,that’samazing!amazingadj.令人驚奇的amazedadj.感到驚奇的sb.beamazedatsth.對(duì)……感到驚訝amazev.使驚訝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…使免受它可被用來保護(hù)人民免受疾病困擾。Itcanbeusedtoprotectpeopleagainst/fromillnesses.他舉起他的左手使自己免遭傷害。Heraisedhislefthandtoprotecthimselffrombeinghurt.(2)protectionn.保護(hù)，防衛(wèi)protectorn.保護(hù)人（或組織、裝置等）protectiveadj.保護(hù)的，防護(hù)的Itiseveryone’sjobto__________theenvironment.Thetreesformanatural__________fromthesunshine.Thefatherputa__________armaroundson’sshoulders.Manymothersseetheirsonasa__________

tectiveprotectprotectionprotector

你的朋友要來中山游玩，請(qǐng)向他介紹孫中山故居（SunYat-sen’s

formerresidence）

1.位于（belocatedin）中山市南朗鎮(zhèn)東南2.建于1892年3.有130年的歷史4.占地面積500平方米geographicalfactshistoricalfactsSamplePresentationClasstest1.HangzhouwillbethethirdChinesecitytohostthe_______(Asia)GamesafterBeijingandGuangzhou.2.Hewearssunglasses_______(protect)hiseyesagainstthestrongsunlight.3.Feelfree_______(ask)meanythingontoday’sGreatWalltour.