专题限时训练(三十九)[科普知识型阅读理解(二)](限时：25分钟)(一)TheforcesthatmakeJapanoneoftheworld'smostearthquakeprone(有地震倾向的)countriescouldbecomepartofitslongtermenergysolution.WaterfromdeepbelowthegroundatJapan'stensofthousandsofhotspringscouldbeusedtoproduceelectricity.AlthoughJapanesehightechcompaniesareleadersingeothermal(地热的)technologyandexportit,itsuseislimitedinthenation.“Japanshouldnodoubtmakeuseofitsresourcesofgeothermalenergy”，saidYoshiyasuTakefuji,aleadingresearcherofthermalelectricpowerproduction.ThedisastrousearthquakeandtsunamionMarch11,2011causedareactionagainstatomicpower,whichpreviouslymadeup30percentofJapan'senergyneeds,andincreasedinterestinalternativeenergies,whichaccountforonly8percent.ArtistYokoOnohascalledonJapantoexploreitsnaturalenergy,followingtheexampleofIcelandwhichusesrenewableenergyformorethan80percentofitsneeds.Fornow,geothermalenergymakesuplessthan1percentoftheenergyneedsinJapan,whichhasfordecadesreliedheavilyonfossilfuelsandatomicpower.Thebiggestproblemtogeothermalenergyisthehighinitialcostoftheexplorationandconstructingthefactories.AnotherproblemisthatJapan'spotentiallybestsitesarealreadybeingdevelopedfortourismorarelocatedwithinnationalparkswhereconstructionisforbidden.“Wecan'tevendig10cminsidenationalparks”，saidShigetoYamadaofFujiElectric,addingthatregulationsprotectingnaturewouldneedtoberelaxedforgeothermalenergytogrow.ResearcherHideakiMatsuisaid,“Producingelectricitybyusinghotspringsisadecadeslongproject.Wealsohavetothinkaboutwhattodofornowasenergysupplieswilldeclineintheshortterm.”TheEarthPolicyInstituteinWashington,theUS,believedJapancouldproduce80，000megawatts(兆瓦)andmeetmorethanhalfitselectricityneedswithgeothermaltechnology.JapanesegiantssuchasToshibaarealreadygloballeadersingeothermaltechnology,witha70percentmarketshare.In2010,FujiElectricbuilttheworld'slargestgeothermalfactoryinNewZealand.1．Whatwouldbethebesttitleforthetext?A．AlternativeenergiesinJapanB．Theworld'slargestgeothermalplantC．JapantakestheleadingeothermaltechnologyD．Japanthinksofgeothermalenergy2．WhatpercentageofJapan'senergyneedsisgeothermalenergy?A．About8%.B．Below1%.C．Around30%.D．Over80%.3．AccordingtoShigetoYamada,thegrowthofgeothermalpowerinJapanneeds________．A．achangeofrulesB．financialsupportC．localpeople'shelpD．hightechnology4．Geothermalenergyisconsideredasalongtermprogramby________．A．YoshiyasuTakefujiB．HideakiMatsuiC．ShigetoYamadaD．YokoOno5．Itcanbelearnedfromthelasttwoparagraphsthat________．A．theworld'sbiggestgeothermalplantwasbuiltbyAmericaB．JapanwillnotexportitsgeothermaltechnologyC．thepotentialofJapan'sgeothermalenergyisgreatD．itishardtofindgeothermalenergyinJapan(二)Doctorssometimesprescribelighttherapytotreataformofdepressioninpeoplewhogettoolittlemorningsun.Buttoomuchlightatothertimemayactuallycausesuchmooddisorders.Longlastingexposuretolightatnightbringsdepression,anewstudyfinds,atleastinanimals.Thenewdataconfirmobservationsfromstudiesofpeoplewhoworknightshifts,saysRichardStevensoftheUniversityofConnecticutHealthCentre.Mooddisordersjoinagrowinglistofproblems,includingcancer,obesityanddiabetes—thatcanoccurwhenlightthrowslifeoutofbalancebydisturbingthebiologicalclockanditstimingofdailyrhythms.Inthenewstudy,TracyBedrosianandRandyNelsonofOhioStateUniversityexposedmicetonormallightanddarkcyclesforfourweeks.Fo...
