题目：
检验圆环链伸长变形量的标准是多少？
答案：
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参考答案：定基发展速度
检验圆环链伸长变形量的标准是多少？
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| "Everything happens for the best." my mother said when I 1 disappointment. "If you carry on, one day something good will happen." Mother was right, as I discovered after graduating from college. I had decided to try for a job in radio, then 2 my way up to a sports announcer. I went to Chicago and knocked on the door of every station and got turned 3 every time. In one station, a 4 lady told me that any 5 station couldn' t risk hiring an unexperienced person." Find a small station that'll give you a 6 ,"she said. Then I went to Montgomery Ward, which had opened a store and wanted a person to 7 its sports department. The job 8 just right for me. But I wasn't hired. My disappointment must have shown. " Everything happens for the best." Mum reminded me. Dad 9 me the car to drive seventy miles to Tricities. I 10 Woe Radio. The program director, Mac Arthur, told me they had 11 hired an announcer. As I left his office, I asked 12 ,"How can a fellow get to be a 13 if he can't get a job in a radio station?" I was waiting for the elevator 14 I heard Mac Arthur calling, "What was that you said about sports? Do you know anything about 15 ?" Then he 16 me before a microphone and asked me to broadcast a( an) 17 game. The next autumn, my team 18 a game in the last twenty seconds. I did a fifteen-minute build-up to that play and Mac Arthur told me I would be 19 Saturday's game! On my way home, as I have many times since, I thought 20 my mother' s words,"If you carry on, one day something good will happen." | ||||
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