题目内容
ThomasEdisonwasprobablythegreatest________inAmericanhistory.Whenhefirstattendedschool,histeacherscomplainedthathewas"tooslow"andhardtohandle._______,Edison'smotherdecidedtotakehersonoutofschoolandteachhimathome.TheyoungEdisonwasfascinatedbyscience.Attheageof10hehadalready________hisfirstchemistrylaboratory.Edison'sinexhaustibleenergyandgenius(whichhereportedlydefinedasmorethan“1percentinspirationand99percentperspiration”)eventually_______morethan1,300inventionsinhislifetime.WhenThomasEdisoninventedthelightbulb,hetriedover2,000experimentsbeforehegotittowork.Ayoungreporteraskedhimhowitfelttofailsomanytimes.Hesaid,“Ineverfailedonce.Iinventedthelightbulb.Itjusthappenedtobea2,000-step_______.”
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