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1、七年级下地理复习星球版（ReviewofstarsunderGradeSeven）SeventhunitTheworld'sfirstcontinentThedividinglinebetweenAsiaandEurope,AfricaandNorthAmericaThedividinglinebetweenAsiaandeurope:TheUralmountains,theUralRiver,thegreatCaucasusmountains,andtheTurkeystraits.ThedividinglinebetweenAsiaandafrica:Suezcanal.Thediv
2、idinglinebetweenAsiaandNorthamerica:Beringstrait.AsiaLatitudepositioninasia:Asialiesbetween10degreesS-80degreesN,andissituatedinthetropical,temperateandfrigidzones.Landandseapositioninasia:TheEast,SouthandnorthsidesofAsiaareonthevergeofthePacificOcean,theIndiaoceanandtheArcticOcean,respectively,o
3、ntheWestandEurope,ontheWestandAfrica,ontheeastacrosstheBeringStraitandNorthamerica.Areaofasia:ThelongestdistancebetweentheEastandthewest,thelargestarea:44millionsquarekilometers,thewidestlatitude.Geographicaldivisionsofasia:Thereare48countriesandregionsinAsia,whicharedividedinto6parts:EastAsia,So
4、utheastAsia,SouthAsia,CentralAsia,WestAsia,NorthAsiaandNorthasia.ThemainfeaturesoftheAsianterrain1,theterraintypesarecomplex,mainlyinPlateauandmountainousareas.2,highinthemiddle,lowaround.3,thesurfaceundulationisbig,theheightdifferenceisextremelydifferent.Influencedbytopographyandtopography,manyr
5、iversinAsiaoriginatefromthemountainsandplateausinthemiddle,andradiatetothesea.Asia'smostworldandAsia'smostAsia'smost:WestSiberiaplain--thelargestplaininasia.Theworld'smost:Himalayamountain,thehighestmountainintheworld;theQinghaiTibetPlateau,thehighestplateauintheworld;CaspianSeatheworld'slargestl
6、ake,saltwaterlake;LakeBaikal--thedeepestandlargestfreshwaterlakeintheworld;Thedeadsea,thelowestpointinthelandoftheworld;Arabiapeninsula--thelargestpeninsulaintheworld;MalayArchipelago--thelargestarchipelagointheworld.ThelargestmonsoonclimateregionintheworldThreecharacteristicsofAsianclimate1,thec
7、limateiscomplexanddiverse.2,themonsoonclimateissignificant.3.Continentalclimateisstrong.ClimatictypesinAsiaTemperatezone:temperatecontinentalclimate,temperatemonsoonclimate,Mediterraneanclimate,subtropicalmonsoonclimat
