jACk lonDon wAs A FAmousAmEriCAn writEr (作家).BE wAs Born on jAnuAry 12. 1876. in sAn FrAnCisCo (旧金山).CAll FomiA、his hnlily wAs vEry poor. AnD jACk hAD 1o lEAvE sChCool to lnAkC monEy. hE workED hArD in mAny DiFFErEnt joBs lAtEr. jACk rEturnED to sChool. hul hE DiDn’t stAy krug. liE wrolE. "liFu AnD poCkEtBook (袖珍书) wErE Both too short. " in 1897. hE wEnl 1oAlAskA m FinD golD instEAD、hE FimnD iDEAs thEm For his hooks AnD stoDEs. hE rEturnED (返回) homE AnD stArtED io writE. his writings wErE suCCEssFul (成功的). AnD hE BECAmE riCh AnD FAmous in his twEntiEs. jACk lonDon wAs not A hAppy mAn. howEvEr. in poor hEAhh. hE took his own liFE (自杀) in 1916. hE wAs only 4o yEArs olD、

jACk lonDon BECAmE riCh AnD FAmousA．

A、whEn hE wAs toBly

B、

B、whEn Bo wAs ovEr iwEmy

C．

C、in his thiniEs