新gre写作题库:GRE×÷ÎÄ£º×÷ÎÄ·¶Îľ«½²Ð¡½á£¨4£©
2012-04-21 02:30:41
Hiroshima
¡¡¡¡wasdestroyedinWorldWarIIbythefirstatomicbombusedinwarfareinfulfillingthepromiseof"betterlivingthroughchemistry"researchhasgivenuschemicalweaponsforhumanslaughter..Chemicalwarfare&biologicalwarfare&biochemicalwarfare
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¡¡¡¡moneyspentonresearchisgenerallyasoundinvestmentbecauseitisaninvestmentintheadvancementofhumanknowledgeandinhumanimaginationandspirit.
¡¡¡¡Whilewemustinvestinresearchirrespectiveofwhethertheresultsmightbecontroversial,atthesametimeweshouldbecircumspectaboutresearchwhoseobjectivesaretoovagueandwhosepotentialbenefitsaretoospeculative.
¡¡¡¡±ÈÈçmoneymightspenttowardaddressingsociety¡¯smoreimmediateproblems,suchasenhanceAIDSawarenessandeducation,andsoforth
¡¡¡¡¿Æѧ¡±theory¡±and¡°fact¡±
¡¡¡¡whenitcomestoscienceourwishesanddesiresultimatelyyieldtothestubbornnessoffacts--bywhichImeanempiricalscientificevidenceandthelawsandprinciplesofthephysicalworld.Admittedly,inmanycasesitisdifficulttodistinguishbetweenscientific"fact"andmere"theory."Historyisrepletewithexamplesofwhatwereconsideredatonetimetobefacts,butlaterdisprovedasincorrecttheories.Yetitistellingthatmanysuchobsoletetheorieswerebasedonthesubjectiveinclinations,desires,andwishesoftheoristsandofthesocietiesinwhichthetheoristslived.Forexample,thenotionsofanEarth-centereduniverseandoflineartimeandspacewerebothinfluencedbyreligiousnotions--thatis,byhumanwishesandpassions.Asourfactualknowledgeincreased,suchtheoriesultimatelygiveway. 感谢您阅读《GRE×÷ÎÄ£º×÷ÎÄ·¶Îľ«½²Ð¡½á£¨4£© 》一文,出国留学网(liuxue86.com)编辑部希望本文能帮助到您。
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