在正向市场牛市套利中，如果近期和远期合约价格均下降，则交易者绝对不可能获利。 ()
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A．He slept in the office.B．He went shopping for a clothes.C．He went to Mary's house to
A. He slept in the office.
B. He went shopping for a clothes.
C. He went to Mary's house to see him.
D. He did nothing at all.
期货套期保值交易涉及现货市场和期货市场两个市场的交易，而套利交易只涉及在期货市场的交易。()
A. 正确
B. 错误
We can learn from the passage that people's enthusiasm for Mars ______.
A. could subsist despite the discovery of ice
B. is aroused by the wish to find life there
C. depends largely on the funding of these projects
D. might turn out to be a waste of resources
“十一五”期间，2010年一次能源生产目标为()亿t标准煤，年均增长5%。
A. 24.26
B. 24.36
C. 24.46
D. 24.56
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