答案:Ingeneral,morethan90%ofCanada'sterritoryliesnorthof50°northlatitude,andhalfofitliesnorthof60°northlatitude,whilethenorthernpartofheilongjiangprovinceinChinaislessthan55°northlatitude,indicatingthatCanadaisacountrywithhighlatitude.Duetoitsvastterritory,Canada'sclimateisdividedintosixclimaticzones:(1)thearcticregion;(2)thenorthernregion;(3)grasslandareas;(4)mountainareas;(5)thePacificrim;(6)thesoutheast.Thearcticregion,whichconsistsoftheyukonterritoryandmostofthenorthwestterritories,isthecoldestregioninCanada,withanaveragetemperatureof1.5.6°C.ThecoldestcityinCanada,thecityofyellowknifeinthenorthwestterritories,islocatedinthisclimatezone.ThenorthernregionconsistsofthenorthernprairieprovincesandmostofOntario,QuebecandtheAtlanticcoastprovinces,wheretheclimateisalsocold,withonlyabouttwomonthsofsummerandmoderaterainfall,mostlyinthesummer.Thegrasslandareaincludesthemaingrain-producingareasofthegrasslandprovinces.Ithasacontinentalclimatewithfourdistinctseasons,withcoldwintersandpossiblyunusuallyhotsummers.Themountainregionisknownastherockymountainregion.Theweatherthereischangeable,itissnowymostofthetime,andthetemperaturedropsasthelandgetshigher.ThePacificrimincludesthecoastalareasofBritishColumbiaandthecoastalislandsoftheprovince,wheretheclimateismildandpleasant.ThewarmestcityinCanada,vancouver,islocatedinthisregion,withanaverageannualtemperatureof9.8°C.ThesoutheasternregionincludesOntario,southeasternQuebec,novascotia,easternNewfoundland,newBrunswickandprinceEdwardisland,whichhasbecomethemostpopulatedregioninCanadathankstowarmwintersandcoolsummers.