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    Itisoftenclaimedthatnuclearenergyissomethingwecannotdowithout.Weliveinaconsumersociety,wherethereisanenormousdemandforcommercialproductsofallkinds.Moreover,anincreaseinindustrialproductionisconsideredtobeonesolutiontotheproblemofmassunemployment.Suchanincreasepresumesanabundantandcheapenergysupplymanypeoplebelievethatnuclearenergyprovidesaninexhaustibleandeconomicalsourceofpowerandthatitisthereforeessentialforanindustriallydevelopingsociety.Thereareanumberofotheradvantagesintheuseofnuclearenergy.Firstly,nuclearpower,exceptforaccidents,isclean.Afurtheradvantageisthatanuclearpowerstationcanberunandmaintainedbyrelativelyfewtechnicalandadministrativestaff.Thenuclearreactorrepresentsanenormousstepinourscientificevolutionand,whatevertheantinucleargroupsays,itiswrongtoexpectareturntomoreprimitivesourcesoffuel.However,opponentsofnuclearenergypointoutthatnuclearpowerstationsbringadirectthreatnotonlytotheenvironmentbutalsotocivilliberties.
Furthermore,itisquestionablewhetherultimatelyunclearpowerisacheapsourceofenergy.Therehave,forexample,beenverycostlyaccidentsinAmerica,inBritainand,ofcourse,inRussia.Thepossibilityofincreasesinthecostofuraniuminadditiontothecostofgreatersafetyprovisionscouldpricenuclearpoweroutofthemarket.Inthelongrun,environmentalistsargue,nuclearenergymaybringaboutthedestructionofthehumanrace.Thus,ifwewishtosurvive,wecannotaffordnuclearenergy.Inspiteofthecaseagainstnuclearenergyoutlinedabove,nuclearenergyprogrammersareexpanding.Suchanexpansionassumesacontinualgrowthinindustrialproductionandconsumerdemands.However,itisdoubtfulwhetherthisgrowthwillorcancontinue.Havingweigheduptheargumentsonbothsides,itseemstherearegoodeconomicandecologicalreasonsforsourcesofenergyotherthannuclearpower.
Thewriter’sattitudetowardnuclearenergyis_____.
A．negative
B．favorable
C．tolerant
D．indifferent
Somepeopleclaimthatnuclearenergyisessentialbecause_____.
A．itcanmeetthegrowingdemandofanindustriallydevelopingsociety
B．itrepresentsanenormousstepforwardinourscientificevolution
C．itprovidesaperfectsolutiontomassunemployment
D．nuclearpowerstationscanberunandmaintainedbyrelativelyfewtechnicalandadministrativestaff
Whichofthefollowingstatementsdoesthewritersupport?
A．Nuclearenergyissomethingwecannotdowithout.
B．Thedemandforcommercialproductswillnotnecessarilykeepincreasing.
C．Uraniumisagoodsourceofenergyforeconomicandecologicalreasons.
D．Greatersafetyprovisionscanbringabouttheexpansionofnuclearenergyprograms.www.examda.com
Thefunctionofthelastsentenceisto_____.
A．advancethefinalargument
B．reversepreviouslyexpressedthoughts
C．reflectthewriter’sattitude
D．showthedisadvantagesofnuclearpower