IsaacAsimovwasanAmericanscientistandwriterwhowrotearound480booksthatincludedmysterystories,scienceandhistorybooks,andevenbooksabouttheHolyBibleandShakespeare.Butheisbestknownforhissciencefictionstories.Asimovhadbothanextraordinaryimaginationthatgavehimtheabilitytoexplorefutureworldsandanamazingmindwithwhichhesearchedforexplanationsofeverything,inthepresentandthepast.

　　Asimov'slifebeganinRussia,wherehewasbornon2January,1920.ItendedinNewYorkon6April,1992,whenhediedasaresultofanHIVinfectionthathehadgotfromabloodtransfusionnineyearsearlier.

　　WhenAsimovwasthree,hemovedwithhisparentsandhisone-year-oldsistertoNewYorkCity.Therehisparentsboughtacandystorewhichtheyranforthenext40orsoyears.Attheageofnine,whenhismotherwaspregnantwithherthirdchild,Asimovstartedworkingpart-timeinthestore.Hehelpedoutthroughhisschoolanduniversityyearsuntil1942,ayearafterhehadgainedamaster'sdegreeinchemistry.In1942hejoinedthestaffofthePhiladelphiaNavyYardasajuniorchemistandworkedthereforthreeyears.In1948hegothisPhDinchemistry.ThenextyearhebecameabiochemistryteacheratBostonUniversitySchoolofMedicine.In1958hegaveupteachingtobecomeafull-timewriter.

　　ItwaswhenAsimovwaselevenyearsoldthathistalentforwritingbecameobvious.Hehadtoldafriendtwochaptersofastoryhehadwritten.Thefriendthoughthewasretellingastoryfromabook.ThisreallysurprisedAsimovandfromthatmoment,hestartedtotakehimselfseriouslyasawriter.Asimovbeganhavingstoriespublishedinsciencefictionmagazinesin1939.In1950hepublishedhisfirstnovelandin1953hisfirstsciencebook.

　　Throughouthislife,Asimovreceivedmanyawards,bothforhissciencefictionbooksandhissciencebooks.Amonghismostfamousworksofsciencefiction,oneforwhichhewonanawardwastheFoundationtrilogy(1951-1953),threenovelsaboutthedeathandrebirthofagreatempireinagalaxyofthefuture.ItwaslooselybasedonthefalloftheRomanEmpirebutwasaboutthefuture.ThesebooksarefamousbecauseAsimovinventedatheoreticalframeworkwhichwasdesignedtoshowhowideasandthinkingmaydevelopinthefuture.Heisalsowellknownforhiscollectionofshortstories,I,Robot(1950),inwhichhedevelopedasetofthree"laws"forrobots.Forexample,thefirstlawstatesthatarobotmustnotinjurehumanbeingsorallowthemtobeinjured.Someofhisideasaboutrobotslaterinfluencedotherwritersandevenscientistsresearchingintoartificialintelligence.

　　Asimovwasmarriedtwice.Hemarriedhisfirstwifein1942andhadasonandadaughter.Theirmarriagelasted31years.Soonafterhisdivorcein1973,Asimovmarriedagainbuthehadnochildrenwithhissecondwife.Unit2RobotsUsingLanguageABIOGRAPHYOFISAACASIMOV艾萨克·阿西莫夫传艾萨克·阿西莫夫是美国的科学家兼作家.他写过大约480本书,包括怪诞小说、科学和历史方面的书,甚至还写过有关《圣经》和莎士比亚的书.但是,他最有名的作品还是他的科幻小说.阿西莫夫不仅有着超凡的想象力,使他能对未来世界进行探索,而且还有着惊人的智力,使他能对现在和过去的各种事物作出解释.阿西莫夫的一生从俄罗斯开始,他生于1920年1月2日；阿西莫夫的一生在纽约结束,他死于1992年4月6日.他是因为九年前的一次输血中感染了艾滋病毒而去世的.阿西莫夫三岁的时候,就随同父母和年仅一岁的妹妹迁到纽约.在那儿,他的父母买下了一家糖果店,后来一直经营了大约40年.阿西莫夫九岁的时候,母亲怀了第三个孩子,他就开始在糖果店里工作了.他读中学和大学的那段时期都在糖果店里工作,一直到1942年,也就是他获得化学硕士学位一年以后他才停止糖果店的工作.1942年,他在费城海军造船厂里担任初级化学师,干了三年.1948年他获得了化学博士学位.第二年起他在波士顿大学的医学院任生化教员.1958年他放弃了教学工作成为专职作家.早在阿西莫夫十一岁的时候,他的