Passage2<br/><spanstyle="display:block;text-align:center;">InGreenland,IceandInstability</span>TheancientfrozendomecloakingGreenlandissovastthatpilotshavecrashedintowhattheythoughtwasacloudbankspanningthehorizon.Flyingoverit,youcanscarcelyimaginethatitcoulderodefastenoughtodangerouslyraisesealevelsanytimesoon.<br/>Alongtheflanksinspringandsummer,however,thepictureisverydifferent.Foranincreasingnumberofwarmyears,anetworkofbluelakesandrivuletsofmelt-waterhasbeenspreadingeverhigherontheicecap.<br/>Themeltingsurfacedarkens,absorbinguptofourtimesasmuchenergyfromthesunassnow,whichreflectssunlight.Naturaldrainpipescalledmoulinscarrywaterfromthesurfaceintothedepths,insomeplacesreachingbedrock.<br/>Theprocessslightly,butmeasurably,lubricatesandacceleratesthegrindingpassageoficetowardsthesea.<br/>Mostimportant,manyglaciologistssay,isthebreak-upofhugesemi-submergedclotsoficewheresomelargeGreenlandglaciers,particularlyalongthewestcoast,squeezethroughfiordsastheymeetthewarmingocean.Asthesepassageshavecleared,thishassharplyacceleratedtheflowofmanyofthesecreeping,corrugatedandfrozenrivers.<br/>Someglaciologistsfearthattheriseinseasinawarmingworldcouldbemuchgreaterthantheupperestimateofabout60centimetresthiscenturymadebytheIntergovernmentalPanelonClimateChangelastyear.(Seasroselessthan30centimetreslastcentury.)<br/>Thepanel’sassessmentdidnotincludefactorsknowntocontributetoiceflowsbutnotunderstoodwellenoughtoestimatewithconfidence.Ascientificscrambleisunderwaytoclarifywhethertheerosionoftheworld’smostvulnerableicesheets,inGreenlandandwestAntarctica,cancontinuetoaccelerate.Theeffortinvolvesfieldandsatelliteanalysesandsiftingforcluesfrompastwarmperiods.<br/>Thingsaredefinitelyfarmoreseriousthananyonewouldhavethoughtfiveyearsago.

Pro/ENGINEER WF5.0软件中，拔模特征拔模角度的范围是: [-30°，30°]|[-30°，30°）|（-30°，30°]|（-30°，30°）

[2, 30, 'a', [5, 30], 30].count(30)输出结果是

如何安排一日三餐的能量比例（） A: 早上25%～30%，中午30%～50%，晚上30%～40% B: 早上25%～30%，中午30%～40%，晚上30%～40% C: 早上20%～30%，中午30%～50%，晚上30%～40% D: 早上25%～30%，中午30%～50%，晚上30%～45%

如图所示支导线,AB边的坐标方位角为αAB=125°30′30″,转折角如图,则CD边的坐标方位角αCD为( )。 A: 75°30′30″ B: 15°30′30″ C: 45°30′30″ D: 25°30′30″

由30%粘胶，30%棉，40%涤纶组成的混纺纱如何命名（ ） A: 30/30/40 粘胶/棉/涤纶 B: 40/30/30 涤纶/棉/粘胶 C: 40/30/30 涤纶/粘胶/棉 D: 30/40/30 棉/涤纶/粘胶

已知在观测单一角度时，终边的读数为145°30′30″，起始边的读数为45°00′00″，则该水平角为？ A: 100°30′30″ B: 260°30′30″ C: -100°30′30″ D: -260°30′30″

合理的一日三餐能量分配应为（ ）。 A: 30%、30%、40% B: 30%、40%、30% C: 40%、30%、30% D: 20%、40%、40%

一日三餐能量分配适宜比例为（）。 A: 30%、40%、30% B: 30%、30%、40% C: 20%、30%、50% D: 50%、30%、20%

厅店营业规定时间：直营店商圈店；社区/农村（） A: 8:30—20:00; 8:30—20:30；8:30—18:00 B: 8:00—20:00; 8:00—20:30；8:30—18:30 C: 8:00—20:30; 8:30—20:30；8:30—18:00 D: 8:00—20:00; 8:30—20:30；8:30—18:00