基差交易与一般的套期保值操作的不同之处在于，基差交易能够（）。
A.降低基差风险
B.降低持仓费
C.使期货头寸盈利
D.减少期货头寸持仓量
参考答案：A
解析：
基差交易与一般的套期保值操作的不同之处在于，由于是点价交易与套期保值操作相结合，套期保值头寸了结的时候，对应的基差基本上等于点价交易时确立的升贴水。这就保证了在套期保值建仓时，就已经知道了平仓时的基差，从而减少了基差变动的不确定性，降低了基差风险。
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| 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 who had dreams that 2 . One of the 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 few 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've been watching you," 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 15 he gave some of the gold to his church. For the rest of his life, he was a rich man. | ||||
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