问题
填空题
往复泵液力端的作用是将活塞往复运动的机械能转化为（），改变能量的形式。
答案
参考答案：液体能
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往复泵液力端的作用是将活塞往复运动的机械能转化为（），改变能量的形式。
参考答案：液体能
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| My first job was at a local restaurant, where I worked for seven years and learned so many lessons, especially from a fellow 1 . Helen was in her 30s and had extraordinary self-confidence, something I was really 2 . I looked up to Helen 3 she was doing what she loved- 4 people better. She always made everyone, customers and co-workers, 5 and feel good. Being a waitress changed my life. One of my 6 customers was Fred. He always ate an omelet, and when I saw him 7 , I tried to have it on his table as soon as he sat down. Thanks to the newfound confidence I 8 from Helen, I dreamed of having my own 9 . But when I called my parents to ask for a loan (贷款), they said, "We just don't have the money." The next day, Fred saw me and asked, "What's 10 ? You're not smiling today." I 11 my dream with him and said, "Fred, I know I can do more if somebody 12 just have faith in me." Before long he handed me checks 13 $50,000-along with a note that I have to this day. It reads, "The only collateral (抵押品) on this loan is my trust in your 14 as a person. Good people with a dream should have the 15 to make that dream come true." I took the checks to Merrill Lynch, where the money was provided for me. I 16 working at the restaurant, making 17 for the restaurant I would open. My plans soured, though, and I lost the 18 . Later I decided to apply for a job at Merrill Lynch. Even though I had no experience, I was 19 and ended up becoming a pretty good agent. 20 I paid back Fred the $50,000 plus 14% annual interest. Five years later, I was able to open my own firm. | ||||
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