Iheardastoryaboutafamousscientistwhohadmadeseveralveryimportantachievements.Whatmadehim 41 fromothers?Hesaiditallcamefrom 42 thathappenedwhenhewastwoyearsold.Hetriedto 43 abottleofmilkawayfromthefridge,buttheslippery(光滑的)bottlefell,spillingitsmilkalloverthe 44 floor.Whenhismothercamein, 45 shoutingathim,shesaid,“Robert,whatagreatmess(一团糟)youhavemade!Ihaveneverseensuchabigpuddle(水坑)ofmilk.Wouldyouliketogetdownandplayinthemilkforafewminutes 46 wecleanitup?”Indeed,hedid.Afterafewminutes,hismothersaid,“Robert,whenyoumakeamesslikethis,youhavetocleanitupatlast.So, 47 wouldyouliketodothat?Wewoulduseatoweloramop.Whichdoyouprefer?”Hechosethetowelandtogethertheycleanedupthemilk.Hismotherthensaid,“Wehadafailed 48 inhowtocarryabigmilkbottlewithtwosmallhandsinthekitchen.Let’sgooutandfillthebottlewithwaterandseeifyoucan 49 awaytocarryitwithoutdroppingit.”Thelittleboylearnedthatifheheldthebottleatthetopnearthelip(杯口)withbothhands,hecouldcarryitwithoutdroppingit.Thisscientistthensaidthatitwasatthatmomentthatheknewhedidn’tneedtobeafraidto 50 .So,whathaveyoulearntfromthestory?
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