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高二英语Unit1Makingadifference课本原文人教版教案.pdf

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高二英语Unit1Makingadifference课本原文 A Imaginethis：youaretwenty-oneyearsoldandapromisinggraduatestudentatone ofthetopuniversitiesintheworld．Oneday,yourdoctortellsyouthatyouhavean incurablediseaseandmaynothavemorethantwelvemonthstolive．Howwouldyoufeel? Whatwouldyoudo?Mostofuswouldprobablyfeelverysadandgiveupourdreamsand hopesforthefuture．HereiswhatStephenHawkingthought： (Theredidnotseem)muchpointinworkingonmyPhD—Ididnotexpecttosurvivethat long．YettwoyearshadgonebyandIwasnotthatmuchworse．Infact,thingswere goingratherwellformeandIhadgotengagedtoaverynicegirl,JaneWilde．But inordertogetmarried,Ineededajob，andinordertogetajob，IneededaPhD． Insteadofgivingup，Hawkingwentonwithhisresearch，gothisPhDandmarried Jane．Nordidheletthediseasestophimfromlivingthekindoflifehehadalways dreamtof．Hecontinuedhisexplorationoftheuniverseandtraveledaroundtheworld togivelectures．In2002，HawkingvisitedChinaandspoketouniversitystudents inHangzhouandBeijing．Ashisdiseasehasdisabledhim，Hawkinghastositinhis now-famouswheelchairandspeakthroughaputer．Hetoldthestudentsabouthistheories andthoughtsonsomeofthegreatestquestions：Whatistime，howdidtheuniversebegin， andwhatexactlyareblackholes? Hawkingbecamefamousintheearly1970s，whenheandAmericanRogerPenrosemade newdiscoveriesabouttheBigBangandblackholes．Sincethen，Hawkinghascontinued toseekanswerstoquestionsaboutthenatureoftheuniverse．In1988，hewroteABrief HistoryofTime，whichquicklybecameabest-seller．Readerswerepleasedandsurprised tofindthatascientistcouldwriteabouthisworkinawaythatordinarypeople couldunderstand． Inthebook．Hawkingexplainsbothwhatitmeanstobeascientistandhowscience works．Hetellsreadershowdiscoveriesaremadeandhowtheychangetheworld．Science， accordingtoHawking，isoftenmisunderstood：peopleoftenthinkthatscienceisabout “true”factsthatneverchange．Scientists，ontheotherhand，Hawkingwrites，know thattheirjobisneverfinishedandthateventhebesttheorycanturnouttobewrong． Ascientifictheoryistheresultofthescientificmethod．Scientistslookatthe