问题
问答题 简答题
制图题：画出直流电机串激方式接线图。
答案
参考答案：
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制图题：画出直流电机串激方式接线图。
参考答案：
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| Having said goodbye to his parents, Alvin, with his wife and one-year-old son, set off back home. 1 excited, Alvin and Clare talked and laughed happily. And even little Alax 2 from time to time. The family were 3 the trip. But about three hours later things began to 4 . It was starting to snow. Alvin sped up the car, 5 to arrive home before dark. But it was too dangerous to drive fast now. Because it was snowing more and more heavily. So Alvin had to 6 down. The snow on the 7 was getting deeper and deeper until it was hard to 8 on it. Their car slipped (滑落) off the way and got stuck in the deep snow 9 the engine refused to start again. "The snow doesn't seem to 10 . Shall we stay in the car waiting to be frozen to death or walk ahead through the snow?" Alvin asked. Clare said she 11 to walk. So they got out of the car with their son and began walking. But 12 was to come. Soon they lost their 13 and had to walk aimlessly on and on. Night came. They were not afraid of the dark. But they were 14 that poor Alax would die of cold. However, their faith to keep Alax 15 made them filled with courage, warmth and strength. They 16 and rested in turn and then continued their walk. They had countless falls but each time true love encouraged them to rise to their 17 again. One, two, three, …seven days passed. On the eighth day, 18 at last came from Alvin's parents, the police and local people. But the young 19 had to have their feet cut off because of the bad frost-bites (冻伤). Fortunately, there was 20 seriously wrong with little Alax. | ||||
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