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页数:3页
时间:2018-11-14
《where do you keep ice- in the freezer, of course.阅读理解答案》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Wheredoyoukeepice?Inthefreezer,ofcourse.阅读理解答案 Wheredoyoukeepice?Inthefreezer,ofcourse.That’swhatscientistsmighthavethoughtwhentheywerelookingforasafeplacetostoreicefrommountainglaciersfromaroundtheworld.They’vedecidedtostoreiceinAntarcticabecauseglobalwarmingiscausingsomeo
2、ftheglaciersinplacesliketheAlpstomelt. JeromeChappellazoftheFrenchNationalCentreforScientificResearchisinvolvedincreatinganicevault(地下室)there.Hesays:“Weareprobablytheonlyscientificcommunitywhosesample(样本)isindangerofdisappearingfromthefaceoftheplanet.Ifyouworkonrocksorontre
3、erings,therawmaterialisstillhereandwillbeformanycenturies.” AndwhydoscientistsneedtostudyicefromtheAlps?Iceformedonthetopofamountainismadeofsnowaccumulatedoverthousandsofyears.Trappedairbubbles(气泡)containsamplesoftheatmospherethatexistedwhenthaticewasformed.Iceisarecordofcl
4、imate.Byexaminingice,weknowcarbondioxideinth eatmosphereishighernowthaninthelastthreemillionyears.Researchersusethiskindofdatatobuildcomputermodelsandtrytopredictwhatmighthappeninthefuture. TheicevaultwillbehousedinasnowcaveattheConcordiaResearchStation,whichisoperatedby
5、scientistsfromFranceandItaly.Theicesampleswillbesealedinbagsandplaced10metersbelowthesurfaceataconstanttemperatureof-50*C.Thiswillputthescientists’mindsatrest.Losingtheicesampleswouldbeadisaster,andnobodywantstoseeamineofscientificknowledgelostforeverinagiantpool. 28.Whatis
6、theresearchers’purposeofstudyingice? A.Tolearnaboutclimate. B.TolearnabouttheAlps. C.Totrapairbubbles. D.Toreducecarbondioxide. 29.Jeromecomparesicewithrocksandtreeringstostatethat. A.iceshouldbestoredathome B.it’smorevaluabletostudyice C.icedisappearsveryquickly D
7、 .it’snecessarytostoreice 30.WhatmakesAntarcticaasafeplacetostoreice? A.Itslargemountains. B.Itsfunctionasafreezer. C.Theabundanticesamplesthere. D.Theabsenceofglobalwarming. 31.WhatdoscientiststhinkofstoringiceinAntarctica? A.Theyconsideritaneasyjob. B.They’renoto
8、ptimisticaboutit. C.Theythinkitwillcausedisasters. D.Theythinkit’sareliab
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