Unit7SectionA1a-1c课件人教版八年级英语下册

squaremeterdeepdesertn.

平方；正方形n.(=metre)米；公尺adj.

深的；纵深的n.

沙漠WordsReviewUnit7What’sthehighestmountainintheworld?SectionA1a-1cSuperBrainFavortieTVshow2552,01730,000500,000,000177,000,000,000twohundredandfifty-fivetwothousandandseventeenthirtythousandfivehundredmilliononehundredandseventy-sevenbillionthousand(千)million(百万)billion(十亿)SuperBrainInOurClass128+64+32+16+8+4+2+1=$2021Forbes'World'sRichestPersons

福布斯

富人榜No.1JeffBezos(亚马逊)theUSA177,000,000,000$No.4BillGates(微软)theUSA124,000,000,000$No.15MaHuateng(腾讯)China65,800,000,000$1.Jeffis___________

personintheworld.2.Jeffis________than

anyotherperson.therichestrichertherichestpersons其他任何一个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亚洲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珠穆朗玛峰TheSahara撒哈拉沙漠TheCaspianSea里海TheNile尼罗河['tʃəuməu,la:ŋmə][sə'ha:rə]['kæspiən][nail]Whichisthelargestoceanintheworld?It’s_____________.thePacificOcean[pə'sɪfɪk]

['əʊʃ(ə)n]Whichisthelargestbasinintheworld?It’s_____________.CongoBasin['beɪs(ə)n][ˈkɒŋɡəʊ]Whichisthehighestmountainintheworld?It’s_____________.Howhighisit?It’s___________________high.8844.43metersQomolangmaeightthousandeighthundredandforty-fourpointfourthreemeters[ˈtʃəʊməʊˌlɑːŋmə]Whichisthelongestriverintheworld?It’s_____________.Howlongisit?It’s_______________long.theNile6671meterssixthousandsixhundredandseventy-onekilometers[naɪl]Whichisthebiggestsaltlakeintheworld?It’s_____________________.Howdeepisit?It’s_________________deep.theCaspianSea1025metersonethousandandtwenty-fivemeters[ˈkæspiənsi:]Whichisthebiggestdesertintheworld?It’s_____________.Howbigisit?It’s_______________________________insize.theSahara9,600,000squarekilometersninemillionsixhundredthousandsquarekilometers[səˈhɑ:rə]Matchthefactsyouknow.1aabout9,600,000squarekilometers

insize1,025meters

deep6,671kilometers

long8,844.43metershighP49长面积深高QomolangmaTheSaharaTheCaspianSeaTheNileAnswerlikethis:Qomolangmais...基数词+单位词+形容词TheSaharaChina/TheSaharaisabout9,600,000squarekilometersinsize.Let’splay--Twotruthandalie.RussiaChinaaboutsquarekilometersinsize9,600,000Let’splay--Twotruthandalie.TheYangtze/'jæŋzɪ/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+序数词+最高级+单数名词”

“第几……最……的……”“比较级+thananyother+单数名词”

“比其他任何一个……都……”意义相当于最高级形容词最高级结构:the+最高级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小组活动1.DiscussthetopofChinaandwritethemdown.(讨论并写下来)

2.Trytousethesuperlativeadjectives.BigShaoguanthemostbeautifulsceneryDanxiaMountainNanlingNationalForestParkNanhuaTemplenightscenelocalfoodHomework:thetopofShaoguan1.IntroducethetopofShaoguan.（韶关之最）

2.Trytousethesuperlativeadjectivesandwritedownthesentences.

1.NanlingNationalForestParkisthebiggestparkinShaoguan.2.…Whatwehavelearnttoday:我们今天学习了Words(词汇)Phrases(短语)Sentences(句子)Grammar(语法)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

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.anyotherany（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 D.traditionalB12CExercises一、单项选择3.（潍坊中考）____Iknow,moreandmorepeopleinthe

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