2018届高考英语一轮复习Unit1ProtectingOurEnvironment课下练重庆大学版.docx

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1、Unit1ProtectingOurEnvironment[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.Theywanttheirhomesmorecomfortableandthey

2、wanttheirstreetssafe.Theproblemisthatresearchersarefindingthatallthelightishavinganegativeeffectonhumansandwildlifeaswell.Lessthan10yearsagoIdrovetoathinlypopulatedsectionofmytown,laydowninthemiddleoftheroadandwatchedanattractivemeteorshower(流星雨).Theareawasshortofhomes,streetlightsandtraffic.IfIdid

3、thattoday,Iwouldn'tbeabletoseethemeteorshoweraswell,andIwouldsurelyberunoverbyacar.Nowadaysscientistsarefindinglightpollutioncanbealmostasbadascarbondioxidepollution.Ifyou'veevertakenaflightatnight,theviewisbeautiful,butyoumustrememberthatallthelightyouseeiswastedelectricity.Thecrewofthespaceshuttl

4、esseeanevenbiggerpictureofhowextensivethewastedelectricityisworldwide.Oneofthesaddestpartsoflightpollutionisthatmostofitisunnecessaryandmostoftheoutdoorlightthatweuseiswasted.Oneonlyneedstolookatarowofstreetlightstoseehowmuchofthelightshinesupwardsandlightsthesky;atotalwasteofelectricity.Additional

5、ly,electricityneedstobegenerated,andthegenerationofelectricitycreatespollutionbygivingoffgreenhousegases.Thisaffectstheairwebreatheandourqualityoflife.Scientistsarealsostudyingtheeffectsoflightpollutiononwildlife.Thousandsofbirdsdieeachyearwhentheycrashintohighlylightedbuildings,astheybecomepuzzled

6、bythelight.Ithasbeenlongknownthattinyseaturtlehatchlingsbecomelostandfollowlightsontheshoreinsteadofheadingtowardsthesea.Fortunately,lightpollutionisoneoftheeasiestsourcesofpollutionthatcanbecorrectedwithoutanegativeeffect.FollowingsomeguidelinesandalittlesearchingonGooglecangiveyoumanyideasonhowto

7、reduceyourcontributiontolightpollution.1．ItisimpliedinParagraph4thatthebestwaytodealwithlightpollutionis________.A．reducingtheoutputofthelightsB．avoidingtheuseofunnecessarylightC．educatingpeopleaboutlightpo