大学英语快速阅读1TheEarth27sAtmosphere带翻译Word文档下载推荐.docx
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大学英语快速阅读1TheEarth27sAtmosphere带翻译Word文档下载推荐.docx
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Second,theatmospherealsoprotectsusfrommostofthesun'
shigh-energyultravioletlightrays,whichareharmfultolife.AlthoughtheseraysareonlyasmallpartofthesunlightstrikingtheEarth,theyareknowntobeverydangerous.However,99percentofallultravioletraysareabsorbedbeforetheyreachtheEarth'
ssurface.Theyareabsorbedbyanatmosphericgas,calledozone,atypeofoxygengas.TheozonelayersurroundstheEarthbutismuchthinnerovertheNorthandSouthPolesthanoverotherregionsoftheEarth.
TheonepercentoftheultravioletlightintheatmospherethatdoesreachtheEarth'
ssurfaceisknowntocausesunburnandisnowbelievedtoalsocauseskincancerinmanypeople.Becauseofthis,doctorsrecommendthatpeoplelimittheamountoftimetheyspendindirectsunlightandwearasuntanlotion(防晒油)thatblockstheultravioletrayswhentheydosunbathe.
Finally,theatmospheregeneratesalltypesofweathersuchasclearblueskiesandstorms.Itactsasahugeenergymachine,changingsunlightintootherformsofenergysuchasheatandwind.Aspartofthisrole,theatmosphereregulatesthetemperatureontheEarth'
ssurface.Firstitallowsonly46percentofthesunlightstrikingittopassthroughandactuallyreachtheEarth'
ssurface.Second,carbondioxidegasintheatmospherecontrolstheamountofwarmthontheEarth'
ssurfacethatisallowedtoradiate(发散)backintospace.Bythesetwocontrollingdevices,theatmosphereregulatestheEarth'
ssurfacetemperature.
Choosethebestanswerstothefollowingquestions.
1.Whichofthefollowingistrueaccordingto
thepassage?
A.TheozonelayerismuchthickeroverNorthAmericathanovertheNorthPole.
B.Ozoneisatypeofanitrogengas.
C.OzonecanabsorbsomeultravioletraysbeforetheyreachtheEarth'
ssurface.
D.Ozonecanprotectusfromanythingharmfultoourlife.
2.Themainideaofthethirdparagraphis
that.
A.theEarthissurroundedbyalayerofozone
B.99percentofallultravioletlightraysthatreachtheEarth'
ssurfaceareabsorbedbytheozonelayer
C.theozonelayerprotectspeoplefromthesun'
shigh-energyultravioletlightrays
D.ozoneisanatmosphericgaswhichsurroundstheEarth
3.Accordingtothearticle,carbondioxide
A.isalessimportantatmosphericgas
B.controlstheamountofwarmthontheEarth'
ssurface
C.allowsonly46percentofsunlighttoreachtheEarth'
D.actslikeahugeenergymachine
4.Doctorssuggestthat.
A.peopleshouldstayawayfromthesunlighttoprotectthemselvesfromthesunburn
B.peopleshouldblocktheultravioletrayswhentheydosunbathe
C.peopleshouldwearasuntanlotionunderdirectsunlight
D.peopleshouldknowthatskincancerresultsfromsunbathing
5.TheEarthwouldbeadesolateplanetwithouttheatmospherebecause
A.theatmosphereismainlycomposedofoxygen,hydrogenandnitrogen,whichareindispensabletoourlife
B.theatmosphereplaysseveralrolesinmakinglifepossible
C.theatmosphereallowsonlyharmlessraystoreachtheEarth
D.theatmospherecontrolstheamountofwarmthontheEarth'
Completethefollowingsentenceswiththeinformationgiveninthepassage.
1.TheozonelayeroverotherregionsoftheEarthis____thanthatoverthe
NorthandSouthPole.
KEY:
muchthicker
2.Itis____thatchangessunlightintootherformsofenergy.
theatmosphere
3.Although_____aremostlyabsorbedbytheozorielayer,doctorssuggestthatpeopleshouldlimittheamountoftimespentindirectsunlight.
high-energyultravioletlightrays
Comparedwithargon,neonandhydrogen,aremoreimportantinhelpingtomakelifepossible.
oxygen,nitrogen,andcarbondioxide
5.Thepurposeofwearingasuntanlotionisto
protectpeoplefromsunburnandskincancer
翻译:
地球的大气层
除非下雨或风在吹,我们通常不会注重气氛,周围的空气,地球毯子。
然而,如果没有大气层,地球将是一个荒凉(荒芜的)与没有生命迹象的星球!
这里的气氛起着帮助,使生活成为可能多个角色。
首先,提供了三种气体的大气生命所必需:
氧,氮和二氧化碳。
所有动物,包括我们自己,呼吸氧气。
氮和二氧化碳都是植物生长所需。
减重要的大气气体包括氩,氖,氦和氢。
其次,气氛也免受太阳的高能紫外线照射,这是我们一生中最有害的。
虽然这些射线仅是地球的太阳光的显着一小部分,他们被称为是非常危险的。
但是,所有99百分之的吸收紫外线,才到达地球表面。
它们是由大气中吸收气体,称为臭氧的氧气气体种类。
臭氧层环绕地球,但远在南极和北极薄于地球表面上的其他地区。
对大气中的紫外线百分之一的不到达地球表面的已知会导致晒伤,现在相信很多人也会造成皮肤癌。
正因为如此,医生建议人们限制了他们的时间花费在阳光直射和穿防晒油(防晒油),阻止了紫外线当他们这样做日光浴。
最后,大气产生如湛蓝的天空,所有的风暴天气类型
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