Unit7SectionA1a-1c課件人教版八年級(jí)英語(yǔ)下冊(cè)

squaremeterdeepdesertn.

平方；正方形n.(=metre)米；公尺adj.

深的；縱深的n.

沙漠WordsReviewUnit7What’sthehighestmountainintheworld?SectionA1a-1cSuperBrainFavortieTVshow2552,01730,000500,000,000177,000,000,000twohundredandfifty-fivetwothousandandseventeenthirtythousandfivehundredmilliononehundredandseventy-sevenbillionthousand(千)million(百萬(wàn))billion(十億)SuperBrainInOurClass128+64+32+16+8+4+2+1=$2021Forbes'World'sRichestPersons

福布斯

富人榜No.1JeffBezos(亞馬遜)theUSA177,000,000,000$No.4BillGates(微軟)theUSA124,000,000,000$No.15MaHuateng(騰訊)China65,800,000,000$1.Jeffis___________

personintheworld.2.Jeffis________than

anyotherperson.therichestrichertherichestpersons其他任何一個(gè)8,8505,0006,3001,0258844.435,4646,6719,600,000300TherichestcityDubaiisarichcountryin_____.Itis4,114_________________insize.Itisa______place.The_________ofDubaiis2,260,000.Dubaiisfamousforits_______seafishing,the________tower--KhalifaTower(迪拜塔)andsoon.AsiadeepsquarepopulationdeserthighestkilometersAsia亞洲square平方desert沙漠population人口deep深的Topsintheworld世界之最1.Thehighestmountain______________2.Thebiggestdesert________________3.Thedeepestsaltlake_____________4.Thelongestriver_____________1.thehighestmountain2.thebiggestdessert3.thedeepestsaltlake4.thelongestriverTopsintheworld1.Thehighestmountain_________________2.Thebiggestdessert________________3.Thedeepestsaltlake_____________4.Thelongestriver_____________Qomolangma珠穆朗瑪峰TheSahara撒哈拉沙漠TheCaspianSea里海TheNile尼羅河['t??um?u,la:?m?][s?'ha:r?]['k?spi?n][nail]Whichisthelargestoceanintheworld?It’s_____________.thePacificOcean[p?'s?f?k]

['???(?)n]Whichisthelargestbasinintheworld?It’s_____________.CongoBasin['be?s(?)n][?k??ɡ??]Whichisthehighestmountainintheworld?It’s_____________.Howhighisit?It’s___________________high.8844.43metersQomolangmaeightthousandeighthundredandforty-fourpointfourthreemeters[?t???m???lɑ??m?]Whichisthelongestriverintheworld?It’s_____________.Howlongisit?It’s_______________long.theNile6671meterssixthousandsixhundredandseventy-onekilometers[na?l]Whichisthebiggestsaltlakeintheworld?It’s_____________________.Howdeepisit?It’s_________________deep.theCaspianSea1025metersonethousandandtwenty-fivemeters[?k?spi?nsi:]Whichisthebiggestdesertintheworld?It’s_____________.Howbigisit?It’s_______________________________insize.theSahara9,600,000squarekilometersninemillionsixhundredthousandsquarekilometers[s??hɑ:r?]Matchthefactsyouknow.1aabout9,600,000squarekilometers

insize1,025meters

deep6,671kilometers

long8,844.43metershighP49長(zhǎng)面積深高QomolangmaTheSaharaTheCaspianSeaTheNileAnswerlikethis:Qomolangmais...基數(shù)詞+單位詞+形容詞TheSaharaChina/TheSaharaisabout9,600,000squarekilometersinsize.Let’splay--Twotruthandalie.RussiaChinaaboutsquarekilometersinsize9,600,000Let’splay--Twotruthandalie.TheYangtze/'j??z?/is6,671kilometerslong.Theriverwhichis6,671kilometerslongisinAfrica.TheNileis6,671kilometerslong.6671Let’splay--Twotruthandalie.Qomolangmaishigherthanbefore.Qomolangmais8848.86kilometershighnow.NowomanreachedtothetopofQomalangma.8848.86Qomolangmais_____________thananyothermountainintheworld.2.TheSaharais_____________desertintheworld.3.TheCaspianSeais_______________ofallthesaltlakes.4.TheNileis_________________riverintheworld.shortertallerhigherthesmallestthe

biggesttheoldestthedeepestthebiggestthesmallesttheshortestthelongesttheslowest

Listenandchoose.1bn.沙漠“the+序數(shù)詞+最高級(jí)+單數(shù)名詞”

“第幾……最……的……”“比較級(jí)+thananyother+單數(shù)名詞”

“比其他任何一個(gè)……都……”意義相當(dāng)于最高級(jí)形容詞最高級(jí)結(jié)構(gòu):the+最高級(jí)A: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）

PairWorkthetopofChina1.TheChangjiangRiveristhelongestriverinChina.2.ShanghaiisoneofthebiggestcityinChina.3.....is...-erthananyother...

inChina.Groupwork小組活動(dòng)1.DiscussthetopofChinaandwritethemdown.(討論并寫下來(lái))

2.Trytousethesuperlativeadjectives.BigShaoguanthemostbeautifulsceneryDanxiaMountainNanlingNationalForestParkNanhuaTemplenightscenelocalfoodHomework:thetopofShaoguan1.IntroducethetopofShaoguan.（韶關(guān)之最）

2.Trytousethesuperlativeadjectivesandwritedownthesentences.

1.NanlingNationalForestParkisthebiggestparkinShaoguan.2.…Whatwehavelearnttoday:我們今天學(xué)習(xí)了Words(詞匯)Phrases(短語(yǔ))Sentences(句子)Grammar(語(yǔ)法)Summary:Qomolangma，TheNile，TheCaspianSea，TheSahara，square,metre\meter,kilometre,desert&deep.insize,intheworld,anyother.A:What's/Whichisthe…inthe…?B:…A:Howhigh/deep/...is...?B:...Comparetive:-er&superative:est.Languagepoints

長(zhǎng)、寬、高、深、面積的表達(dá)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(zhǎng)6，671千米。 TheNileis6，671___________________．metersdeepmeterswidemetershighkilometerslongthreethousand2.Qomolangmaishigherthananyothermountainintheworld.(教材P491b)比較級(jí)+thananyother+可數(shù)名詞單數(shù)Point該結(jié)構(gòu)意為“比其他任何一個(gè)……都……”，指同一范圍內(nèi)比較，表示最高級(jí)含義。Sheisthinnerthananyotherstudentinherclass.=Sheisthethinnestinherclass.other必不可少，用以將主語(yǔ)從比較對(duì)象中排除，避免邏輯矛盾。【特別提醒】如果比較對(duì)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(jí)+thanany（任何的）

+可數(shù)名詞單數(shù)”。ChinaislargerthananycountryinAfrica.練一練Hulunbuirisbiggerthan_____________cityinChina.Hulunbuirisbiggerthan_____________cityinAnhui.anyotherany（達(dá)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 D.traditionalB12CExercises一、單項(xiàng)選擇3.（濰坊中考）____Iknow,moreandmorepeopleinthe

worldareearningChinese.Aswellas B.Asoftenas C.Assoonas D.Asfaras4.TheYangtzeRiverisabout______.A.6300kilometerlong B.6300ki