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1、Whyshouldmankindexplorespace?高考阅读答案 Whyshouldmankindexplorespace?Whyshouldmoney,timeandeffortbespentexploringandresearchingsomethingwithsofewapparentbenefits?WhyshouldresourcesbespentonspaceratherthanonconditionsandpeopleonEarth?Thesearequestionsthat,understandably,areveryoftenasked. Perhapsthebe
2、stanswerliesinourgeneticmakeup(基因构成)ashumanbeings.Whatdroveourancestorstomovefromthetreesintotheplains,andonintoallpossibleareasandenvironments?Thewiderthespreadofaspecies,thebetteritschanceofsurvival.Perhapsthebestreasonforexploringspaceisthisgenetictendencytoexpandwhereverpossible. Nearlyeverysu
3、ccessfulcivilizationhasexplored,becausebydoingso,anydangersinsurroundingareascanbeidentifiedandpreparedfor.Withoutknowledge,wemaybecompletelydestroyedbythedanger.Withknowledge,wecanlessenitseffects. Explorationalsoallowsmineralsandotherpotential(潜在的)resourcestobefound.Evenifwehavenoimmediateneedof
4、them,theywillperhapsbeusefullater.Resourcesmaybemorethanphysicalpossessions.Knowledgeortechniqueshavebeenacquiredthroughexploration.Thetechniquesmayhavemedicalapplicationswhichcanimprovethelengthorqualityofourlives.Wehavealreadybenefitedfromotherspin-offsincludingimprovementsinearthquakeprediction,
5、insatellitesforweatherforecastingandincommunicationssystems.Evennon-stickpansandmirroredsunglassesareby-products(副产品)oftechnologicaldevelopmentsinthespace,thechancetosaveourselvesmightnotexist. Whilemanyresourcesarespentonwhatseemsasmallreturn,theexplorationofspaceallowscreative,braveandintelligen
6、tmembersofourspeciestofocusonwhatmayservetosaveus.Whilespacemayholdmanywondersandexplanationsofhowtheuniversewasformedorhowitworks,italsoholdsdangers.Thedangerexists,butknowledgecanhelphumanbeingtosurvive.Withouttheabilitytoreachoutacrossspace,thechancetosaveourselvesmightnotexist. WhileEarthisthe
7、onlyplanetknowntosupportlife,surelytheadaptiveabilityofhumanswouldallowustoliveonotherplanets.Itistruethatthelifestylewouldbedifferent,buthumanlifeandcultureshaveadaptedinthepastandsurelycouldinthefuture.
