Unit7What’sthehighestmountainintheworld?SectionA1a-2dlearnmoregeographicalfactsQomolangmaabout9,000,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,848.86metershigh1a.Matchthefactsyouknow.平方千米面積面積大約900萬平方千米1025米深6671千米長8848.86米高大約LanguagepointsHowtowriteandreadlargenumbers?TheCaspianSeais1,025

meters

deep.TheNileis6,671

kilometers

long.Qomolangmais8,848.86

meters

high.

TheSaharaisabout9,000,000

squarekilometersinsize.onethousandandtwenty-fivesixthousandandseventy-onesixhundredeightthousandandforty-eighteighthundredpointeightsixninemillionLanguagepoints2,506,981,065.34Step2:

從右到左，小數點讀“point”，第一個“,”讀thousand(千),

第二個“,”讀million(百萬)，第三個“,”讀billion(十億)。Step1:

從小數點開始從右到左，每3個數加一個“,”。Step3：每隔三位分段以后就都成了101

-999。讀的時候按百位數讀。從左到右讀數，百位和十位之間加and，若十位為0，and不省略，如：208。若百位為0，thousand和十位之間加and，如：5,018

小數點后面的數只讀數字，不讀數位。billionpointthousandmillionandandandtwo

billion

fivehundredand

six

million

ninehundredand

eighty-one

thousand

and

sixty-five

point

three

fourHowtowriteandreadlargenumbers?Qomolangmaabout9,000,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,848.86metershigh平方千米面積面積大約900萬平方千米1025米深6671千米長8848.86米高大約LanguagepointsLanguagepoints長、寬、高、深等的表達法Howhigh

isit?=What’stheheightof

it?It’s8,848.86metershigh.It’s8,848.86metersinheight.Howlong

isit?=What’sthelength

of

it?It’s6,671

kilometerslong.It’s6,671

kilometersinlengh.Howdeepisit?=What’sthedepth

of

it？It’s1,025metersdeep.It’s1,025metersindepth.Howbig

isit?=What’sthesize

ofit?It’sabout

9,000,000squarekilometersinsize.問:Howlong/wide/high/deep/big+be+主語?答：長寬高大小深基數詞+單位詞+形容詞(long,wide,high,deep)基數詞+單位詞+in+名詞(length,width,height,depth,size)Languagepoints長、寬、高、深等的表達法主語+be+【拓展延伸】復合形容詞作定語:“數詞-單位詞單數-形容詞”20-meter-long20米長的What’sthe

length/width/height/depth/size+of+主語?---那條河有多長？---大約1,320千米。---這個湖有多大？---5,980平方千米。Howlongistheriver?What’sthelengthoftheriver?Itisabout1320kilometerslong.Itisabout1320kilometersinlength.Howbigisthelake?Whatisthesizeofthelake?Itis5,980squarekilometersinsize.1b.Listenandcompletethesentences.Qomolangmais_______thananyothermountainintheworld.TheSaharais___________desertintheworld.TheCaspianSeais___________ofallthesaltlakes.TheNileis___________riverintheworld.higherthe

biggestthedeepestthelongest當我們想表達“主語是...中最...的”的時候可以用句型:主語+be+the+adj.的最高級+(單名)+of/in短語.主語+be+adj.的比較級+thananyother+單數名詞+of/in短語.主語+be+adj.的比較級+thantheother+復數名詞+of/in短語.intheworld世界上咸水湖1c.Usetheinformationin1btomakeconversations.Qomolangma8,848.86meters

hightheNile6,671meters

longtheSahara9,000,000squarekilometerstheCaspianSea1,025metersdeepA:What/Whichisthe__________intheworld?B:It’s_____________.A:How______isit?B:It’s_________________________.

It’soneoftheoldestcountriesintheworld.

Ithasalonghistory.It’sbeenaroundforover5,000years.Howlonghasitbeenthere?DoyouknowanygeographicalfactsaboutChina?DoyouknowanygeographicalfactsaboutChina?theYangtzeRivertheYellowRiverWhataretheimportantriversinChina?

Itis6,300kilometerslong.TheYangtzeRiveristhelongestriverinChina.Itis5,464kilometerslong.TheYellowRiveristhesecondlongestriverinChina.sixthousandthreehundredfivethousandfourhundredandsixty-fourMikeisfromtheUSA,hewantstoknowalotmoreaboutChina.Listentotheconversationbetweenhimandhisclassmates._______TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.________Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven________yearsold._______ChinaisbiggerthantheUS,andit’sthebiggestcountryinAsia.2aMatchthefactswiththekeywords.size,

historyrivers,rivershistorysize

2aListenandnumberthefacts[1-3]intheorderyouhearthem.6,3005,0005,464300_______TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.________Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven________yearsold._______ChinaisbiggerthantheUS,andit’sthebiggestcountryinAsia.3126,3005,0005,464300fivethousand,fourhundredandsixty-fourfivethousandthreehundredsixthousand,threehundredCanyoureadthebignumbers?2bListenagainandfillintheblanksin2awiththenumbersinthebox._______TheYangtzeRiverisabout______kilometerslongandtheYellowRiveris______kilometerslong.________Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven________yearsold._______ChinaisbiggerthantheUS,andit’sthebiggestcountryinAsia.6,3005,0005,4643003126,3005,4645,000300IknowalotaboutChina.NowIamvisitingtheGreatWall.TheGreatWallwecanseetodaycamefromtheMingDynasty.Ancientemperorsbuiltthewalltoprotectthecountry.['e?n??nt]adj.古代的

['e?n??nt]v.保護明朝Listentotheconversationandanswerthequestions.1.HowlongistheGreatWall?2dIfwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.2.Whydidtheancientemperorsbuildthewall?TheBadalingpart.Themainreasonwastoprotecttheirpartofthecountry.3.WhichpartisthemostfamouspartoftheMingGreatWall?Whatdidtheguidesayaboutthewall?It'squitetallandwide.Theancientemperorsbuiltittoprotecttheirpartsofthecountry.Therearenootherman-madeobjectsasbigasthis.BadalingisthemostfamouspartoftheMingGreatWall.It'sthelongestwallintheworldadj.人造的2d.Role-playtheconversation.Guide:Feelfreetoaskmeanythingontoday’sGreatWalltour.Tourist1:Howlongisthewall?Guide:Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Tourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee,it’squitetallandwide.AsfarasIknow,therearenootherman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it’sthemostfamouspart.

feelfreetodosth.（可以）隨便（做某事）

關于

makesb./sth.+n.讓某人/某物成為…makesb./sth.+adj.

讓某人/某物…

正如你所看到的

據我所知as+adj./adv.原級+as和…一樣

1.—______isthepopulationofChinanow,Jack?—Letmethinkforamoment;itisabout______.A.Howmany;1,400million B.What;1,400millionC.What;140million D.Howmany;140million2.—The5Gtechnologycanhelpdoctorstreatpatientswhoarehundredsofkilometersaway.—It’sreally______.A.secret B.direct C.amazing D.traditionalBCExercises3.____Iknow,moreandmorepeopleintheworldarelearningChinese.A.Aswellas