WeaknessAboylosthisleftarminacaraccident．Whenhewas10yearsold，hedecidedtostudyjudo（柔道）．Theboybeganlessons（36）___anoldJapanesejudocoach．Theboywasdoingwell，sohecouldn’tunderstand（37）___，aft

　　Weakness

　　A boy lost his left arm in a car accident．When he was 10years old，he decided to study judo（柔道）．The boy began lessons （36）___ an old Japanese judo coach．The boy was doing well，so he couldn’t understand （37）___，after three months of training，the coach had taught him only one action．“Sir，”the boy finally said，“shouldn’t I be learning more actions？”

　　“This is the only move you know，but this is the only action you’ll ever need to know，”the coach replied．Not quite understanding，（38）___ believing in his coach，the boy kept（39）___．

　　Several months （40）___，the coach took the boy to his first competition．Surprising himself，the boy （41）___ won his first two matches．The third match （42）___ to be difficult，but after some time，his opponent（对手） became impatient and rushed over； the boy quickly used his move to win the match．Still amazed by his（43）___，the boy was now in the finals．

　　This time，his opponent was bigger，stronger and （44）___．For a while，the boy appeared to be defeated．Being worried that the boy might get hurt，the referee（裁判） called a time-out（暂停）．He was about to call a time-out when the coach stopped．“No，”the coach cried，“let him （45）___．”

　　Soon after the match began again，his opponent made a big mistake：he lost his guard．Immediately，the boy used his move to defeat his opponent．The boy had （46）___ the match and the competition．He was the champion．

　　On the way home，the boy and the coach（47）___ every move in each and every match．Then the boy showed the courage to ask（48）___ was really on his mind，“Sir，how did I win the competition with only one move？”

　　“You won for （49）___ reasons，”the coach answered．“First，you’ve （50）___ mastered one of the most difficult moves in all of judo．And second，the only known defence（防卫）for that move is for your opponent to catch your left arm．”

　　The boy’s greatest weakness（弱点）had become his greatest strength．

　　36．A．to B．on C．with D．fro