绵阳市2013高考英语阅读理解三月天天练（2）及答案Whenitcomestoyourskin,thereisanimportantfactthatyoumustkeepinmind:Yourskinisthelargestorganofyourbody.Asanobviousresult,skinhealthandmaintenance(保养)isvital.Yourskindoeseverythingfromprotectingyoufromtheelementstoassistingyouwithbreathing.Yourskinkeepsyourbodyhydrated(含水的)andregulatesyourbody'stemperature.Intheend,thisreallyisonlythebeginningofallofthevariousvitalfunctionsthatyourskinprovidestoyou.Despitetheextremeimportanceofaperson'sskin,therealityisthatmanypeoplesimplydonotpaymuchattentiontoissuesrelatingtothehealthoftheirskin.Withthatinmind,therearesomeprimetipsandpointersthatyoumustalwayskeepinmindwhenitcomestothehealthandprotectionofyourskin.Protectionagainstharmfulraysfromthesunisoneofthemostimportantstepsthatyouneedtotake.Withthisinminditisvitallyimportantthatyoumakecertainyouusesolidprotectionwhenyougooutintothesun.Yourdietalsohasadirecteffectonthehealthofyourskin.Themostimportantaspectofyourdietinrelationtothehealthofyourskinistomakecertainthatyoueataproperamountoffooditemsthatcontaintheproteinsandnutrientsnecessaryforyourskin’shealth.Waterisalsoimportanttothehealthofyourskin.Whileyoucertainlyhavehearditbefore,itactuallyistruethatyoushoulddrinkatleasteight8-ounceglassesoffreshandpurewatereverydaytokeephealthyskin.Finally,whenitcomestothehealthofyourskintodayandintothefutureyoushouldavoidsmokingalltogether.Inaddition,youshoulddrinkalcoholonlyinmoderation.Bothsmokingandtoomuchalcoholconsumptioncannegativelyaffectthehealthofyourskininsignificantways.64.Theunderlinedword“elements”inthefirstparagraphprobablyrefersto______.A.badweatherB.afavorableenvironmentC.allthechemicalsD.thecellsmakinguptheskin65.Thewriterlistssomeofthefunctionsofskininthebeginningpartto______.A.makeananalysisofthemaintopicofthepassageB.drawreaders’attentiontothemaintopicofthepassageC.giveabriefintroductiontothemaintopicofthepassageD.givethereadersasummaryofthemaintopicofthepassage66.Whichofthefollowingdoesnothelpmaintainthehealthofskin?A.Drinkingheavyalcohol.B.Takingproperdietinone’slife.C.Usingsolidprotectionwhenexposedtothesun.D.Drinkingenoughfreshandpurewatereveryday.167.Whichofthefollowingmightbethemostpropertitleoftheabovepassage?A.Anessentialorganofourbody.B.Tipsforsoftandsmoothskin.C.Habitsandskinhealth.D.Howtokeepourskinhealthy.参考答案64—67、ABAD***********************************************结束Itishardtogoafterthebluewhale,theocean’slargestcreature,whichhasalmostbeenkilledoffbycommercialwhalingandisnowlistedasanendangeredspecies.Attachingradiodevicestoitisdifficult,andsightingswithbareeyesaretoounreliabletogiverealinsightintoitsbehavior.Sobiologistsweredelightedearlythisyearwhen,withthehelpoftheNavy,theywereabletotrackaparticularbluewhalefor43days,monitoringitssounds.ThiswaspossiblebecauseoftheNavy’sformerlytop-secretsystemofunderwaterdetecting（探测）devicesacrosstheoceans.Trackingwhalesisbutoneexampleofanexcitingnewworldjustopeningtocivilian（平民的）scientistsafterthecoldwarastheNavystartstoshareandpartlyuncoveritsglobalnetworkofunderwaterlisteningsystembuiltoverthedecadestotracktheshipsofpotential（潜在的）enemies.Earthscientistsannouncedatanewsconferencerecentlythattheyhadusedthesystemforcloselymonitoringadeep-seavolcaniceruption（爆发）forthefirsttimeandthattheyplansimilarstudies.Otherscientistshaveproposedtousethenetw...
