where do you keep ice- in the freezer, of course.阅读理解答案

where do you keep ice- in the freezer, of course.阅读理解答案

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时间:2018-11-14

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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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