阅读理解填词（本题共10分，每小题1分）
先阅读短文’在其后空白处写出各单词的正确形式，单词的第一个字先母已给出。
Bell Smith  a  famous speaker, tells the story of one of his friends, a salesman. His friend was in t with money because sales dropped by 60%. Bell asked him, “ How many phone c are you making a day?” his friend answered, “ Twenty-five.”
Bell kept s for a while. And then he gave him his a . “ Double them,” he said. “ Make fifty. Or seventy-five. Or One h . ”
The salesman answered, “ Aw, man. That’s too much. I’d rather w and see.”
“ Too much!” r Bell. “ You tell me you are running out of money and then you say it’s too much. You know, one way for you to get back is to p first, then your sales will increase. How can you say anything is too much when you l everything?”
Today, most people say they have t , but in fact they haven’t touched the surface of their potential（潜力）. Then, why not make a promise to achieve your personal best?