2018届高考英语一轮复习unit1protectingourenvironment课下练重庆大学版选修6

《2018届高考英语一轮复习unit1protectingourenvironment课下练重庆大学版选修6》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

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.Theywanttheirhomesmorecom

2、fortableandtheywanttheirstreetssafe.Theproblemisthatresearchersarefindingthatallthelightishavinganegativeeffectonhumansandwildlifeaswell.Lessthan10yearsagoIdrovetoathinlypopulatedsectionofmytown,laydowninthemiddleoftheroadandwatchedanattractivemeteorshower(流星雨).Theareawasshortofhomes

3、,streetlightsandtraffic.IfIdidthattoday,Iwouldn'tbeabletoseethemeteorshoweraswell,andIwouldsurelyberunoverbyacar.Nowadaysscientistsarefindinglightpollutioncanbealmostasbadascarbondioxidepollution.Ifyou'veevertakenaflightatnight,theviewisbeautiful,butyoumustrememberthatallthelightyous

4、eeiswastedelectricity.Thecrewofthespaceshuttlesseeanevenbiggerpictureofhowextensivethewastedelectricityisworldwide.Oneofthesaddestpartsoflightpollutionisthatmostofitisunnecessaryandmostoftheoutdoorlightthatweuseiswasted.Oneonlyneedstolookatarowofstreetlightstoseehowmuchofthelightshin

5、esupwardsandlightsthesky;atotalwasteofelectricity.Additionally,electricityneedstobegenerated,andthegenerationofelectricitycreatespollutionbygivingoffgreenhousegases.Thisaffectstheairwebreatheandourqualityoflife.Scientistsarealsostudyingtheeffectsoflightpollutiononwildlife.Thousandsof

6、birdsdieeachyearwhentheycrashintohighlylightedbuildings,astheybecomepuzzledbythelight.Ithasbeenlongknownthattinyseaturtlehatchlingsbecomelostandfollowlightsontheshoreinsteadofheadingtowardsthesea.Fortunately,lightpollutionisoneoftheeasiestsourcesofpollutionthatcanbecorrectedwithoutan

7、egativeeffect.FollowingsomeguidelinesandalittlesearchingonGooglecangiveyoumanyideasonhowtoreduceyourcontributiontolightpollution.1．ItisimpliedinParagraph4thatthebestwaytodealwithlightpollutionis________.A．reducingtheoutputofthelightsB．avoidingtheuseofunnecessarylightC．educatingpeople

8、aboutlightpo