________________________Task4Directions:Afterreadingthefollowingpassage,pletetheoutlinebelowit(No.61throughNo.65).Youshouldwriteyouranswers brieflyontheAnswerSheetcorrespondingly.Antarcticaisforthemostpartavast,icyemptiness,pletelycoveredbyanicesheetwithanaveragethicknessofover2,000meters.Onlyabout2%ofthelandmassisice-free,prisedofland,ice-shelfandislandsbetween160degreeseastand150degreeswest.Thelargestsingleice-freearealiesinSouthVictoriaLand,about100kilometresfromNewZealand'sscientificresearchstation,ScottBaseonRossIsland.TheUnitedStatesalsohasalargebaseattheSouthPole,knownastheAmundsen-ScottBaseandnamedaftertwoofthemostimportantearly20thcenturyexplorerswhohelpedbringworldattentiontothecontinent.essible,mostlyalongthecoastofVictoriaLandandRossIsland.61.___________________________________