问题
单项选择题
为了测量方便，电压互感器一般采用标准的电压比值，尽管高压侧电压不同，但二次绕组的额定电压总是（）。
A.100v
B.300v
C.500v
D.400v
答案
参考答案：A
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为了测量方便，电压互感器一般采用标准的电压比值，尽管高压侧电压不同，但二次绕组的额定电压总是（）。
A.100v
B.300v
C.500v
D.400v
参考答案：A
Some people believe that dreams can tell them what will happen in the future. 1 knows why this is so, but there are many stories about people. The people make their dreams 2 . One of these people was a man 3 John Chapman, who lived in Swaffham in England many years ago. John Chapman dreamt that he 4 on London Bridge and a man told him how to become rich. John Chapman was a poor man and he needed 5 , so the next day he decided to leave for London. 6 was 100 miles from Swaffham to London. He walked for two days and at last he 7 London Bridge. There were many people on the bridge, but they weren’t 8 in John Chapman. No one 9 him. After three days, John Chapman decided to go home, 10 before he could do this, a shopkeeper came up to him. “I am watching you these days,” he said. “Are you 11 someone?” “Yes,” said John. “I had a dream about a man here. He would help me to get much money.” “Oh,” said the shopkeeper. “You shouldn’t believe in dreams. 12 I believe in dreams, I’d be in Swaffham right now. I had a dream a few days ago about a man called John Chapman from Swaffham. He had 13 in his garden, near an old apple tree.” John Chapman was 14 by what the shopkeeper said. At once he went home and dug near an old apple tree. He soon found many pieces of gold. He was so happy that he 15 some of the gold to his poor neighbours. What a kind man he was! For the rest of his life, he was a rich man.
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