【阅读理解Manisalandanimalbutheisalsocloselytiedtothesea．Throughouthistorytheseahasservedtheneedsofman．Theseahasprovidedmanwithfoodandaconvenient(便利的)wayto】

　　阅读理解

　　Manisalandanimalbutheisalsocloselytiedtothesea．Throughouthistorytheseahasservedtheneedsofman．Theseahasprovidedmanwithfoodandaconvenient(便利的)waytotraveltomanypartsoftheworld．Todaynearlytwo-thirdsoftheworld’spopulationlivewithin80thousandkilometersoftheseacoast．

　　Inthemoderntechnologicalworldtheseaoffersmanyresourcestohelpmankindsurvive．Resourcesonlandarebeginningtobeusedup．Theseahoweverstillcanbehopedtosupplymanyofman’sneeds．

　　Thelistofrichesoftheseayettobedevelopedbyman’stechnologyisimpressive(给人印象极深的)．Oilandgasexplorationshavebeencarriedoutfornearly30years．Valuableamountsofmineralsexistontheoceanfloorreadytobemined(开采)．

　　Fishfarmingpromisestobeagoodwaytoproducelargequantitiesoffood．Thecultureoffishandshellfish(贝类动物)isanancientskillpractisedinthepastmainlybyOrientalpeople．

　　Besidesoilandgastheseamayoffernewsourcesofenergy．Expertsbelievethatthewarmtemperatureoftheoceancanbeusedinawaysimilartothesteaminasteamship．Oceancurrents(水流)andwavesofferpossibleuseasasourceofenergy．

　　Technologyisenablingmantoexploreevenmoredeeplyunderthesea．Thedevelopmentofstrongnewmaterialshasmadethispossible．

　　Thetechnologytoharvesttheseacontinuestoimprove．Expertsbelievethatbytheyear2000theproblemsthatpreventusfromexploiting(利用)fullythefoodmineralsandenergysourcesoftheseawillbelargelysolved．

　　(1)

　　Themajorthingsthattheseaoffersmanare________．

　　[]A．

　　fishandoil

　　B．

　　mineralsandoil

　　C．

　　warmtemperatureandoceancurrents

　　D．

　　thefoodenergysourcesandminerals

　　(2)