阅读理解
Greenlandoffersadventuresoficeandsnowlikenowhereelseonthisplanet.Theicecapuptothreekilometersthickcoversanarea14timesthesizeofEnglandandicebergssnapoff(折断)theglaciers(冰川)attheedgesoftheicecap.You'llexperienceicebergsalmosteverywhereinGreenland.IntheDiskoBayicebergsoftenriseupto100metersabovethewaterline-keepinmindthat90percentofanicebergishiddenbelowthesurfaceofthesea.Theworld'smostactiveglacieratIlulissatmoves25-30metersadayandcalves(裂冰)acrossafront10kilometersinwidth.VisitingtheicecapispossiblefrommosttownsinGreenlandalthoughitusuallytakesahelicopterflightoraboattriptoreachtheedgeoftheinlandice.InKangerlussuaqtheicecapisonly20kilometersawayandyoucanhikedriveflyormountainbiketothere-andstayovernightifyoubringatent.Springtimeisthebestseasonfordog-sledgetoursandskiingalthoughGreenlandalsooffersfirstclasssummerskiingevenheli-skiingonglaciersanddog-sledgetoursinthesummer.
Greenlandhostsseveralinternationaleventsrelatedtoice&snowsuchastheArcticCircleRaceregardedasthetoughestskiraceintheworldtheIceGolfWorldChampionshipsandtheSnowSculptureFestival.
AsaneighbortotheNorthPoleGreenlandhasanArcticclimatealthoughtherearegreatdifferencesfromnorthtosouthandfromcoasttoinland.Generallyspeakingtheclimateisverydryandasaresulttemperaturesfeelquitedifferentfrommostotherplacesintheworld.10~15degreesCelsiusthatis50~60degreesFahrenheitfeelsverywarmwhileminus10degreesCelsius(14degreesFahrenheit)isequivalenttoacomfortabletemperature.
(1)
A.
Theicecapisasmuchasthreekilometersthick.
B.
Thesizeoftheicecapis14timeslargerthan