试题习题、尽在百度仔细审题、认真作答Task1：阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项.(2015·四川，D)Theircheerysongbrightensmanyawinter'sday.Butrobinsareindangerofwearingthemselvesoutbysingingtoomuch.Robinsaresingingallnight—aswellasduringtheday，British-basedresearcherssay.DavidDominoni，ofGlasgowUniversity，saidthatlightfromstreetlamps，takeawaysignsandhomesisaffectingthebirds'biologicalclocks，leadingtothembeingwideawakewhentheyshouldbeasleep.DrDominoni，whoisputtingcamerasinsidenestingboxestotracksleepingpatterns，saidlackofsleepcouldputthebirds'healthatrisk.Hisstudyshowsthatwhenrobinsareexposedtolightatnightinthelab，itleadstosomegenesbeingactiveatthewrongtimeofday.Andthemorebirdsareexposedtolight，themoreactivetheyareatnight.Hetoldpeopleataconference，“Therehavebeenacoupleofstudiessuggestingtheyareincreasingtheirsongoutputatnightandduringthedaytheyarestillsinging.Singingisacostlybehaviourandittakesenergy.Sobyincreasingtheirsongoutput，theremightbesomecostsofenergy.”Anditisnotjustrobinsthatarebeingkeptawakebyartificiallight.Blackbirdsandseagullsarealsobeingmorenocturnal.DrDominonisaid，“InGlasgowwhereIlive，gullsareaseriousproblem.Ihavepeoplecomingtomesaying‘Youarethebirdexpert.Canyouhelpuskillthesegulls？’．Duringthebreeding(繁殖)season，betweenAprilandJune，theyareveryactiveatnightandverynoisyandpeoplecan'tsleep.”AlthoughDrDominonihasonlystudiedlightpollution，otherresearchconcludedthatrobinslivinginnoisycitieshavestartedtosingatnighttomakethemselvesheardoverloudnoise.However，somebirdsthrive(兴旺)innoisyenvironments.AstudyfromCaliforniaPolytechnicStateUniversityfoundmorehummingbirdsinareaswith试题习题、尽在百度仔细审题、认真作答heavyindustrialmachinery.Itisthoughtthattheyarecapitalisingontheirpredators(天敌)fleeingtoquieterareas.【语篇解读】本文主要介绍了一项调查研究的结果，由于人类制造的光线问题，越来越多的鸟类如知更鸟在晚上也会唱歌，这极大地影响了鸟的健康.1．AccordingtoDrDominoni'sstudy，whatcausesrobinstosingsomuch?A．Thebreedingseason.B．Thelightinmodernlife.C．Thedangerousenvironment.D．Thenoisefromheavymachinery.答案B[细节理解题.根据文章第二段的“DavidDominoni，ofGlasgowUniversity，saidthatlightfromstreetlamps，takeawaysignsandhomesisaffectingthebirds'biologicalclock，leadingtothembeingwideawake...”以及第三段最后一句可知，是现代生活中的灯光使得知更鸟唱歌太多.故选择B.]2．Whatistheresearchers'concernovertheincreaseofbirds'songoutput?A．Theenvironmentmightbepolluted.B．Thebirds'healthmightbedamaged.C．Theindustrycostmightbeincreased.D．Thepeople'shearingmightbeaffected.答案B[细节理解题.根据文章第四段中的“Singingisacostlybehaviourandittakesenergy.”可知，唱歌唱得越多，鸟类就会损耗更多的精力，它们的健康也会因此受到损害.故选择B.]3．Whatdoestheunderlinedword“nocturnal”inParagraph5mean?A．Activeatnight.B．Inactiveatnight.C．Activeduringtheday.D．Inactiveduringtheday.答案A[词义猜测题.根据上文的“Anditisnotjustrobinsthatarebeingkeptawakebyartificiallight.Blackbirdsandseagullsarealsobeing...”以及本段最后试题习题、尽在百度仔细审题、认真作答的“...theyareveryactiveatnight...”可知，这里的nocturnal与前面的awake应该是近义词，意为“夜间活动的”.故选A.]4．Whydosomebirdsthriveinnoisyenvironments?A．Becausetherearefewerdangers.B．Becausethereismorefoodtoeat.C．Becausethereislesslightpollution.D．Becausetherearemoreplacestotakeshelter.答案A[细...
