Unit7SectionA2a-2d課件人教版八年級英語下冊

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.

令人大為驚奇的；令人驚喜(或驚嘆)的adj.

古代的；古老的v.

保護；防護adj.

寬的；寬闊的就我所知adj.

人造的WordsReviewUnit7What’sthehighestmountainintheworld?SectionA2a-2dExercises4.-1.Qomolangmaisthe

(high)mountainintheworld.

2.TheSaharaisthe

(big)desertintheworld?3.TheNileis6,671kilometers

_____.4.TheSaharaisabout9,600,000_____________(平方公里)

insize.5.-Which'sthedeepestsaltlakeintheworld?--It's

.highestbiggestlongtheCaspianSeasquarekilometersThetableis_____________.這張桌子有一米長。Thefieldisabout______________________.這塊地的面積約有三平方公里。

Thewellis_______________.這口井有十二米深。Themountainis_______________.這座山高1025米。1meter

long3squarekilometersinsize12meters

deep1025metershighReviewA:What/Whichisthe

____intheworld?B:It's_______.A:How_____

isit?B:It's_________.(8,844.43metershigh)(about9,600,000squarekilometersinsize)1,025metersdeep(6,671kilometerslong)TheNile（longestriver）Qomolangma(highestmountain）TheSahara(biggestdesert)TheCaspianSea(deepestsaltlake）

PairWorkTheSaharaChina/TheSaharaisabout9,600,000squarekilometersinsize.Let’splay--Twotruthandalie.RussiaChinaaboutsquarekilometersinsize9,600,000Let’splay--Twotruthandalie.Qomolangmaishigherthanbefore.Qomolangmais8848.86kilometershighnow.NowomanreachedtothetopofQomalangma.8848.86Let’splay--Twotruthandalie.TheYangtze/'j??z?/is6,671kilometerslong.Theriverwhichis6,671kilometerslongisinAfrica.TheNileis6,671kilometerslong.6671thetopofChina1.TheChangjiangRiveristhelongestriverinChina.2.ShanghaiisoneofthebiggestcityinChina.3.....is...-erthananyother...

inChina.Freetalk:TheYangtzeRiverListenandnumberthefacts[1-4]intheorderyouhearthem.2a6,300 5,000 5,464 300____TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven________yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.4213n.亞洲長江P506,300 5,000 5,464 300Beforelistening,canyoureadthenumbers?6,300sixthousandthreehundred5,000fivethousand5,464fivethousandfourhundredandsixty-four300threehundredListeningtips:Readthenumbersandgetfamiliarwith(熟悉)them.Listenagainandfillintheblanksin2awiththenumbersinthebox.2b6,300 5,000 5,464 300____TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven________yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.6,3005,4645,000300基數(shù)詞+單位詞+形容詞2134聽力原文①②③④Payattentiontothesecomparativestructures.同級比較結(jié)構(gòu)Makeconversationsusingtheinformationin2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.It’s6,300meterslong.B:Wow!That’ssolong!…TheGreatWall

Hewhodoesn’treachtheGreatWallisnotatrueman.不到長城非好漢。1.Whichisthebiggestman-madeobjectsintheworld？2.HowlongistheMingGreatWall?3.WhichisthemostfamouspartoftheMingGreatWall?Readtheconversationandanswerthequestions.TheGreatWall.Badalingpartofthewall.It’sabout8,850kilometerslong.Roleplaytheconversation.Guide:

Feelfreetoaskmeanythingontoday'sGreatWalltour.Tourist1:

Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe'reonlytalkingabout

thepartsfromtheMingDynasty,it'sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:Wow,that'samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it'sthemostfamouspart.Listenandread.Guide:Feelfreetoaskmeanythingontoday'sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe'reonlytalkingaboutthepartsfromtheMingDynasty,it'sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:Wow,that'samazing!Whydidtheancientemperorsbuildthewall?

（可以）隨便（做某事）,其后接動詞不定式。

n.&v.旅行；旅游

n.墻

adj.令人大為驚奇的；令人驚喜（驚嘆）的

adj.古代的；古老的

n.旅行者；觀光者Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it'squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it'sthemostfamouspart.

v.保護；防護

adj.寬的；寬闊的

就我所知

adj.人造的不定式短語作表語Listenandrepeat.Roleplaytheconversation.Guide:

Feelfreetoaskmeanythingontoday'sGreatWalltour.Tourist1:

Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe'reonlytalkingabout

thepartsfromtheMingDynasty,it'sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:Wow,that'samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it'sthemostfamouspart.Languagepoints

長、寬、高、深、面積的表達方法Theriveris20meterswide.基數(shù)詞+單位詞+形容詞（long,wide,high,deep等）1.Qomolangmais8,844.43metershigh.練一練(

)Theriverinfrontofourschoolis

．A．10meterswide

B．10－meters－wide C．10－meter－wide D．10meterwideA練一練1.這條河深100米、寬50米。Theriveris100__________and50____________.2.這座山高三千多米Themountainismorethan__________________________.3.尼羅河長6，671千米。 TheNileis6，671___________________．metersdeepmeterswidemetershighkilometerslongthreethousand2.Qomolangmaishigherthananyothermountainintheworld.(教材P491b)比較級+thananyother+可數(shù)名詞單數(shù)Point該結(jié)構(gòu)意為“比其他任何一個……都……”，指同一范圍內(nèi)比較，表示最高級含義。Sheisthinnerthananyotherstudentinherclass.=Sheisthethinnestinherclass.other必不可少，用以將主語從比較對象中排除，避免邏輯矛盾?！咎貏e提醒】如果比較對象不在同一范圍內(nèi)或不屬于同一類別，應(yīng)用“形容詞/副詞比較級+thanany（任何的）

+可數(shù)名詞單數(shù)”。ChinaislargerthananycountryinAfrica.練一練Hulunbuirisbiggerthan_____________cityinChina.Hulunbuirisbiggerthan_____________cityinAnhui.anyotherany3.Chinahasthebiggestpopulationintheworld.

(教材P502a)①population是集體名詞，在句中作主語時，謂語動詞用單數(shù)形式。Thepopulationoftheworldcontinuestoincrease,butinsomeareasthepopulationisfalling.populationn.人口；人口數(shù)量PointTheworld'spopulation____increasingfasterandfaster．A.are B.is C.has D.haveB練一練②表示人口多少時，用big/large或small修飾，而不能用many，much或few等。Indiahasalargepopulation.練一練ThepopulationofChinais

thanthatoftheUSA．A．large

B．larger

C．more

D．manyB③詢問人口多少時，用“Whatisthepopulationof…?”或“Howlargeisthepopulationof…?”。What/HowlargeisthepopulationofHenanProvince?練一練________

thepopulationofyourhometown?A．Howmany B．What'sC．Howmuch D．WhatB5.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Oneof+the+形容詞最高級＋可數(shù)名詞復(fù)數(shù)“最…之一”PointSheisoneofthetallestgirlsinherclass.她是她的班里最高的女生之一。練一練DTheYangtzeRiverisoneof_______riversintheworld．A．long B．longerC．longest D．thelongest練一練1.戴維是我們學校最受歡迎的老師之一。Davidisoneofthemostpopular________inourschool．teachers2.印度是世界上最古老的國家之一。Indiais_______________________________intheworld．3.Dalianisoneof

inChina． A．themostbeautifulcity

B．themorebeautifulcities C．mostbeautifulcity D．themostbeautifulcitiesoneoftheoldestcountriesD（達州中考）—______isthepopulationofChinanow,Jack?—Letmethinkforamoment;itisabout______.A.Howmany;1,400million B.What;1,400millionC.What;140million D.Howmany;140million（安徽中考）—The5Gtechnologycanhelpdoctorstreatpatientswhoarehundredsofkilometersaway.—It’sreally______.A.secret B.direct C.amazing