Man,alandanimal.Butheisalsocloselytiedtothesea.Throughouthistorytheseahasservedtheneedsofman.Theseahasprovidedmanwithfoodandaconvenientwaytotraveltomanypartsoftheworld.Today,nearlytwo-thirdsofthewor

　　Man,alandanimal.Butheisalsocloselytiedtothesea.Throughouthistorytheseahasservedtheneedsofman.Theseahasprovidedmanwithfoodandaconvenientwaytotraveltomanypartsoftheworld.Today,nearlytwo-thirdsoftheworld’spopulationlivewithin80kilometersoftheseacoast.

　　Inthemoderntechnologicalworld,theseaoffersmanyresourcestohelpmankindsurvive.Resourcesonlandarebeginningtobeusedup.Thesea,however,stillcanbehopedtosupplymanyofman’sneeds.

　　Thelistofrichesoftheseayettobedevelopedbyman’stechnologyisbig.Oilandgasexplorationshavebeencarriedoutfornearly30years.Valuableamountsofmineralsexistontheoceanfloorreadytobemined.

　　Fishfarmingpromisestobeagoodwaytoproducelargequantitiesoffood.Thecultureoffishandshellfish(贝类动物)isanancientskillpractisedinthepastmainlybyOrientalpeople,includingpeopleinChina.

　　Besidesoilandgas,theseamayoffernewsourcesofenergy.Expertsbelievethatthewarmtemperatureoftheoceancanbeusedinawaysimilartothesteaminasteamship.Oceancurrentsandwavesofferpossibleuseasasourceofenergy.

　　Technologyisenablingmantoexploreevermoredeeplyunderthesea.Thedevelopmentofstrong,newmaterialshasmadethispossible.

　　Thetechnologytoharvesttheseacontinuestoimprove.Expertsbelievethatbytheyear2020theproblemsthatpreventusfromexploiting（开发）fullythefood,minerals,andenergysourcesoftheseawillbelargelysolved.

　　小题1:Themajorthingsthattheseaoffersmanare______.A．fishandoilB．mineralsandoilC．warmtemperatureandoceancurrentsD．thefood,energysources,andminerals小题2:Wecanconcludefromthispassagethat______.A．thesearesourceshavelargelybeenusedupB．thesea,inthebroadsense,hasnotyetbeendevelopedC．theproblemsthatpreventusfromusingthefood,minerals,andenergysourcesoftheseahavealreadybeensolved.D．bytheyear2020,thetechnologywillbegoodenoughtoexploitallthesearesources小题3:Theunderlinedwords“Orientalpeople”inthefo