【Wheredoyoukeepice?Inthefreeze-查字典问答网
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来自郭沛俊的问题

  【Wheredoyoukeepice?Inthefreezer,ofcourse.That'swhatscientistsmighthavethoughtwhentheywerelookingforasafeplacetostoreicefrommountainglaciersfromaroundtheworld.They'vedecidedtostoreiceinAntarcticabecauseglob】

  Wheredoyoukeepice?Inthefreezer,ofcourse.That'swhatscientistsmighthavethoughtwhentheywerelookingforasafeplacetostoreicefrommountainglaciersfromaroundtheworld.They'vedecidedtostoreiceinAntarcticabecauseglobalwarmingiscausingsomeoftheglaciersinplacesliketheAlpstomelt.

  JeromeChappellazoftheFrenchNationalCentreforScientificResearchisinvolvedincreatinganicevault (地下室)there.Hesays:"Weareprobablytheonlyscientificcommunitywhosesample (样本) isindangerofdisappearingfromthefaceoftheplanet.Ifyouworkonrocksorontreerings,therawmaterialisstillhereandwillbeformanycenturies."

  AndwhydoscientistsneedtostudyicefromtheAlps?Iceformedonthetopofamountainismadeofsnowaccumulatedoverthousandsofyears.Trappedairbubbles (气泡) containsamplesoftheatmospherethatexistedwhenthaticewasformed.Iceisarecordofclimate.Byexaminingice,weknowcarbondioxideintheatmosphereishighernowthaninthelastthreemillionyears.Researchersusethiskindofdatatobuildcomputermodelsandtrytopredictwhatmighthappeninthefuture.

  TheicevaultwillbehousedinasnowcaveattheConcordiaResearchStation,whichisoperatedbyscientistsfromFranceandItaly.Theicesampleswillbesealedinbagsandplaced10metersbelowthesurfaceataconstanttemperatureof-50*C.Thiswillputthescientists'mindsatrest.Losingtheicesampleswouldbeadisaster,andnobodywantstoseeamineofscientificknowledgelostforeverinagiantpool.

  28.Whatistheresearchers'purposeofstudyingice?___

  A.Tolearnaboutclimate.

  B.TolearnabouttheAlps.

  C.Totrapairbubbles.

  D.Toreducecarbondioxide.

  29.Jeromecomparesicewithrocksandtreeringstostatethat___.

  A.iceshouldbestoredathome

  B.it'smorevaluabletostudyice

  C.icedisappearsveryquickly

  D.it'snecessarytostoreice

  30.WhatmakesAntarcticaasafeplacetostoreice?___

  A.Itslargemountains.

  B.Itsfunctionasafreezer.

  C.Theabundanticesamplesthere.

  D.Theabsenceofglobalwarming.

  31.WhatdoscientiststhinkofstoringiceinAnta

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2020-09-01 00:40
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齐伟民

  28-31ADBD

  28.A.细节理解题.根据第三段三、四句Trappedairbubbles (气泡) containsamplesoftheatmospherethatexistedwhenthaticewasformed.IceisarecordofclimateByexaminingice.可知研究冰块可以让我们了解很多与气候有关的信息.故A正确.

  29.D.推理判断题.根据第三段三、四、五句Trappedairbubbles (气泡) containsamplesoftheatmospherethatexistedwhenthaticewasformed.IceisarecordofclimateByexaminingice.weknowcarbondioxideintheatmosphereishighernowthaninthelastthreemillionyears.可知这些都是人们储存冰的原因,研究冰块,我们可以了解很多过去的事情,并预测未来的事情.所以文章中提到这些例子是为了说明储存冰块的必要性.故D正确.

  30.B.推理判断题.根据第一段最后一句They'vedecidedtostoreiceinAntarcticabecauseglobalwarmingiscausingsomeoftheglaciersinplacesliketheAlpstomelt.可知因为全球变暖是,世界其他地方的冰都在融化,科学家把南极洲用来储存冰块,就是把它当成冰箱在使用.故B正确.

  31.D.推理判断题.根据第一段:They'vedecidedtostoreiceinAntarcticabecauseglobalwarmingiscausingsomeoftheglaciersinplacesliketheAlpstomelt可知科学家认为在南极洲储存冰是一个可靠的办法;故选D.

2020-09-01 00:42:14

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