【高一 拓展閱讀-自然和環(huán)境】Uranus Smells Like Rotten Eggs

UranusSmellsLikeRottenEggsAteamofscientistshavediscoveredthatthecloudscoveringtheplanetUranus(天王星)smelllikerotteneggs.ThescientistsfoundthisoutbystudyingthesunlightbouncingoffUranus’sclouds.ScientistshavethoughtforalongtimethatthecloudsofUranusmighthavealotofhydrogensulphides(硫化物)inthem.Butuntilrecently,noonecouldproveit.Hydrogensulphideisagaswhichhasastrongsmellthatremindspeopleofrotteneggs.Tofindtheanswer,scientistsfrommanycountries,includingtheUsandtheUK,studiedthelightcomingoffthecloudsonUranus.Althoughsunlightmaylooklikeit’sonecolour,itisactuallymanycolours.Somepartsofthelight,called“infrared”,can’tbeseenbyhumans.MostTVremotes,forexample,useinfraredlighttosendsignalstotheTV.Ifyoulookattheremote,youwon’tseeitlightup,butacameracantakeapictureofit.Eveninfraredlightcanbesplitupintodifferentkindsoflight.ThescientistsworkedattheGeminiNorthObservatoryinMaunaKea,Hawaii.TheyusedaspecialtooltostudyimagesofUranustakenwiththetelescopethere.Bylookingatwhatkindsofinfraredlightwentintothecloudsandwhatbouncedoff,theywereabletoprovethatUranus’scloudshavelotsofhydrogensulphides.ThenewsisimportantbecauseitprovesthatUranus[andprobablyNeptune（海王星）]areverydifferentfromJupiterorSaturn,wheretheuppercloudsdonothavehydrogensulphide.Theinformationmayonedayhelpscientistsfigureouthowtheplanetsweremadeandwheretheycamefrom.Oneofthescientists,PatrickIrwinsaidthatifanyunluckyhumanwentdownthroughUranus’sclouds,“...theywouldbemetwithveryunpleasantandodiferousconditions.”Buthealsopointedoutthatthesmellwouldbeasmallproblemcomparedtothefactthatthereisnoairtobreatheandthattemperaturescandropbelow-200°Celsius（攝氏溫度）（-328°Fahrenheit）.ReadingComprehensionChoosethecorrectanswerforeachquestion1.WhatcausesthecloudscoveringtheplanetUranustosmelllikerotteneggs?A.Oxygen.B.Carbondioxide.C.Hydrogensulphide.D.Hydrogen.2.WhyistheTVremotementionedinthe4thparagraph?A.Tolistwaysthatinfraredlightcanbeused.B.Toshowthattheinvisibleinfraredlighttrulyexists.C.ToanalysehowtheremoteinteractswiththeTV.D.Toexplainhowlightcanbecaughtbyacamera.3.Whatdoestheunderlinedword“odiferous”meaninthelastparagraph?A.Delightful.B.Agreeable.C.Smelly.D.Acceptable.4.WhichstatementisNOTtrueaboutUranus?A.Thereisnoairtobreatheonit.B.Uranus’scloudsareverysmelly.C.ItisverydifferentfromJupiter.D.Theuppercloudsdonothavehydrogensulphide.5.What’stheweatherlikeonUranusaccordingtothepassage?A.ItcanbeverycoldB.ItcanbeveryhotC.ItrainsalotD.ItcanbewindyVocabulary基礎(chǔ)詞rotten adj.腐爛的；腐敗的 英（offood,wood,etc）thathasdecayedandcannotbeeatenorusedbounce n.反彈,彈回v.（使）反彈；反射 英tomove（sth.）upanddown 記聯(lián)想記憶又跳（bound）又彈（bounce）例Owenkickedtheballbutitbouncedoffthepost.歐文踢中了球,但球從門柱子上彈開(kāi)了observatory n.觀象臺(tái)；天文臺(tái)；氣象臺(tái)英aspecialbuildingwithatelescopeorotherequipmentthatscientistsusetowatchthestarstheweather,etc記詞根記憶observ（e）（觀察）+atroy（場(chǎng)所）觀察的場(chǎng)所→觀察臺(tái)telescope n.望遠(yuǎn)鏡 記詞根記憶tele（遠(yuǎn)）+scope（視野）→望遠(yuǎn)鏡breathe v.呼吸英totakeairintoyourlungsandsenditoutagainthroughyournoseormouth 例can’tbreatheinthisroom我在這個(gè)屋子里無(wú)法呼吸。drop v.扔下,掉下；降低 搭dropoff中途放下/卸下；打盹兒dropout退學(xué)；退出Vocabulary進(jìn)階詞hydrogen n.氫；氫氣記詞根記憶hydro（水）+gen（產(chǎn)生）→參與生成水的物質(zhì)→氫 搭hydrogenbomb氫彈hydrogennucleus氫原子核infrared adj.紅外線的；使用紅外線的 記詞根記憶infra（下）+red（紅色）→在紅色之下→紅外線的搭infraredimaging紅外成像infraredlight紅外線infraredimage紅外影像remote adj.偏僻的；久遠(yuǎn)的；遠(yuǎn)程的；關(guān)系運(yùn)的；微乎其微的；冷漠的n.遙控器 英farawayfromplaceswhereotherpeoplelive 記詞根記憶re（反）+mot（移動(dòng)）+e→向后移動(dòng)→關(guān)系遠(yuǎn)的 搭remotesensing遙感intheremotefuture在遙遠(yuǎn)的將來(lái)Jupiter n