问题
单项选择题
Ｙ接法的三相异步电动机，在空载运行时，若定子一相绕组突然断路，则电机（）。
A、必然会停止转动
B、有可能连续运行
C、肯定会继续运行
答案
参考答案：B
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Ｙ接法的三相异步电动机，在空载运行时，若定子一相绕组突然断路，则电机（）。
A、必然会停止转动
B、有可能连续运行
C、肯定会继续运行
参考答案：B
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| Don't Let the Candle Off A man had a little daughter-an only and much-loved child. He lived for her-she was his whole 1 . He was so happy to hear his girl's voice that he hardly 2 what he would do 3 her. But unfortunately one day, his daughter became seriously ill. He was very 4 . He tried all he could to 5 her. At last, his 6 proved useless and the child passed away. The father became a bitter recluse (隐士) after that, 7 himself away from his friends and refusing every activity that might 8 him back to his normal self. But one night he had a dream. He was in heaven, seeing a group of little child angels. They were dressed in white and 9 in a line passing by the Great White Throne. Every angel 10 a candle. He noticed that all the candles were bright except one. Then he found that the child with the 11 candle was his own little daughter. 12 to her, he held her in his 13 , hugged her gently, and then asked, "Why is it, darling, that your candle 14 is unlighted?" His daughter said, "Daddy, they often relight it, but your 15 always put it out." Just then he 16 . The lesson was very clear, and its 17 were immediate. From that hour on he was not a recluse, but socialized (交际)freely and 18 with his former friends and colleagues. No longer would his darling's candle be put out by his 19 tears. We can't avoid having a sad 20 during lifetime, but we should remember not to let our beloved person's candle off. | ||||
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