Unit7SectionA2a-2d课件人教版八年级英语下册

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.

令人大为惊奇的；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_____________.这张桌子有一米长。Thefieldisabout______________________.这块地的面积约有三平方公里。

Thewellis_______________.这口井有十二米深。Themountainis_______________.这座山高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/'jæŋzɪ/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.亚洲长江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基数词+单位词+形容词2134听力原文①②③④Payattentiontothesecomparativestructures.同级比较结构Makeconversationsusingtheinformationin2a.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.It’s6,300meterslong.B:Wow!That’ssolong!…TheGreatWall

Hewhodoesn’treachtheGreatWallisnotatrueman.不到长城非好汉。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）随便（做某事）,其后接动词不定式。

n.&v.旅行；旅游

n.墙

adj.令人大为惊奇的；令人惊喜（惊叹）的

adj.古代的；古老的

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

v.保护；防护

adj.宽的；宽阔的

就我所知

adj.人造的不定式短语作表语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

长、宽、高、深、面积的表达方法Theriveris20meterswide.基数词+单位词+形容词（long,wide,high,deep等）1.Qomolangmais8,844.43metershigh.练一练(

)Theriverinfrontofourschoolis

．A．10meterswide

B．10－meters－wide C．10－meter－wide D．10meterwideA练一练1.这条河深100米、宽50米。Theriveris100__________and50____________.2.这座山高三千多米Themountainismorethan__________________________.3.尼罗河长6，671千米。 TheNileis6，671___________________．metersdeepmeterswidemetershighkilometerslongthreethousand2.Qomolangmaishigherthananyothermountainintheworld.(教材P491b)比较级+thananyother+可数名词单数Point该结构意为“比其他任何一个……都……”，指同一范围内比较，表示最高级含义。Sheisthinnerthananyotherstudentinherclass.=Sheisthethinnestinherclass.other必不可少，用以将主语从比较对象中排除，避免逻辑矛盾。【特别提醒】如果比较对象不在同一范围内或不属于同一类别，应用“形容词/副词比较级+thanany（任何的）

+可数名词单数”。ChinaislargerthananycountryinAfrica.练一练Hulunbuirisbiggerthan_____________cityinChina.Hulunbuirisbiggerthan_____________cityinAnhui.anyotherany3.Chinahasthebiggestpopulationintheworld.

(教材P502a)①population是集体名词，在句中作主语时，谓语动词用单数形式。Thepopulationoftheworldcontinuestoincrease,butinsomeareasthepopulationisfalling.populationn.人口；人口数量PointTheworld'spopulation____increasingfasterandfaster．A.are B.is C.has D.haveB练一练②表示人口多少时，用big/large或small修饰，而不能用many，much或few等。Indiahasalargepopulation.练一练ThepopulationofChinais

thanthatoftheUSA．A．large

B．larger

C．more

D．manyB③询问人口多少时，用“Whatisthepopulationof…?”或“Howlargeisthepopulationof…?”。What/HowlargeisthepopulationofHenanProvince?练一练________

thepopulationofyourhometown?A．Howmany B．What'sC．Howmuch D．WhatB5.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Oneof+the+形容词最高级＋可数名词复数“最…之一”PointSheisoneofthetallestgirlsinherclass.她是她的班里最高的女生之一。练一练DTheYangtzeRiverisoneof_______riversintheworld．A．long B．longerC．longest D．thelongest练一练1.戴维是我们学校最受欢迎的老师之一。Davidisoneofthemostpopular________inourschool．teachers2.印度是世界上最古老的国家之一。Indiais_______________________________intheworld．3.Dalianisoneof

inChina． A．themostbeautifulcity

B．themorebeautifulcities C．mostbeautifulcity D．themostbeautifulcitiesoneoftheoldestcountriesD（达州中考）—______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