Irecentlyheardastoryaboutafamousscientistwhohadmadeseveralveryimportantmedicalbreakthroughs（突破）.Hewasbeinginterviewedbyareporterwhoaskedhim 1 hethoughthewasabletobesomuchmore 2 thantheaverageperson.
Herespondedthatitallcamefroma(n) 3 withhismotherthatoccurredwhenhewasabout2.Hehadbeentryingto 4 milkfromthefridgewhenhe 5 theslippery(光滑的)bottleitscontentsrunningalloverthekitchenfloor.
Whenhismothercamein 6 shoutingathimorgivinghimalectureshesaid“Robertwhatagreatandwonderful 7 youhavemade!Ihave 8 seensuchahugepoolofmilk.Wellthedamagehasalreadybeen 9 .Wouldyouliketogetdownand 10 inthemilkforafewminutesbeforewecleanitup?”
Indeedhedid.Afterafewminuteshismothersaid“Robertwheneveryoumakeamesslikethiseventuallyyouhavetorestoreeverythingtoitsproperorder.Sohowwouldyouliketodothat?Wecoulduseasponge(海绵)atoweloramop.Whichdoyouprefer?”Hechosethesponge.
Hismotherthensaid“Youknowwhatwehavehereisa 11 experimentinhowtoeffectivelycarryabigmilkbottlewithtwo 12 hands.Let’sgooutinthebackyardandfillthebottlewithwaterandseeifyoucan 13 .”Thelittleboylearnedthatifhe 14 thebottleatthetopnearthelipwithbothhandshecouldcarryitwithoutdroppingit.Whatawonderful 15 !
Thisscientistthensaidthatitwasatthatmomentthatheknewhedidn’tneedtobe 16 tomakemistakes.Insteadhelearnedthatmistakeswerejust 17 forlearningsomethingnewwhichis 18 whatscientificexperimentsareallabout.Eveniftheexperiment“doesn't 19 ”weusuallylearnsomething 20 fromit.