2018届高考英语一轮复习Unit1ProtectingOurEnvironment课下练重庆大学版选修6-豆柴文库

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6Unit1ProtectingOurEnvironment[课下练熟高考]阅读理解提速练——练速度(限时：20分钟)A(2017·重庆一中高考模拟)Asthepopulationoftheplanetincreases,sodoesthenumberofhomes,businesses,parkinglots,schools,airportsandroadways.Allthesestructuresuseelectricityandneedtobelighted.Humansdemandtheselights.Theywanttheirhomesmorecomfortableandtheywanttheirstreetssafe.Theproblemisthatresearchersarefindingthatallthelightishavinganegativeeffectonhumansandwildlifeaswell.Lessthan10yearsagoIdrovetoathinlypopulatedsectionofmytown,laydowninthemiddleoftheroadandwatchedanattractivemeteorshower(流星雨).Theareawasshortofhomes,streetlightsandtraffic.IfIdidthattoday,Iwouldn'tbeabletoseethemeteorshoweraswell,andIwouldsurelyberunoverbyacar.Nowadaysscientistsarefindinglightpollutioncanbealmostasbadascarbondioxidepollution.Ifyou'veevertakenaflightatnight,theviewisbeautiful,butyoumustrememberthatallthelightyouseeiswastedelectricity.Thecrewofthespaceshuttlesseeanevenbiggerpictureofhowextensivethewastedelectricityisworldwide.Oneofthesaddestpartsoflightpollutionisthatmostofitisunnecessaryandmostoftheoutdoorlightthatweuseiswasted.Oneonlyneedstolookatarowofstreetlightstoseehowmuchofthelightshinesupwardsandlightsthesky;atotalwasteofelectricity.Additionally,electricityneedstobegenerated,andthegenerationofelectricitycreatespollutionbygivingoffgreenhousegases.Thisaffectstheairwebreatheandourqualityoflife.Scientistsarealsostudyingtheeffectsoflightpollutiononwildlife.Thousandsofbirdsdieeachyearwhentheycrashintohighlylightedbuildings,astheybecomepuzzledbythelight.Ithasbeenlongknownthattinyseaturtlehatchlingsbecomelostandfollowlightsontheshoreinsteadofheadingtowardsthesea.Fortunately,lightpollutionisoneoftheeasiestsourcesofpollutionthatcanbecorrectedwithoutanegativeeffect.FollowingsomeguidelinesandalittlesearchingonGooglecangiveyoumanyideasonhowtoreduceyourcontributiontolightpollution.eq\x(语篇解读：本文为说明文。主要介绍了光污染对人类及动植物的影响。)1．ItisimpliedinParagraph4thatthebestwaytodealwithlightpollutionis________.A．reducingtheoutputofthelightsB．avoidingtheuseofunne