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【单选题】
基差的增大将对多头套期保值者( )，对空头套期保值者( )。A.
有害；有利
B.
有害；有害
C.
有利；有害
D.
有利；有利
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【简答题】一个工作在906.5兆赫下的RFID接收器可以由附近的另外两个工作在909和912.5 MHz的阅读器来解释。在第三阶失真中接收器会产生什么哪些杂散频率？他们和906.5 MHz的标签信号之间有干扰码？
【单选题】I am sorry written you a letter at the time.
A.
to have not
B.
to not have
C.
not to have
D.
not having
【单选题】What did Mark and Tim have in common?
A.
They are overweight for their age.
B.
They are respectful to their parents.
C.
They are still in their early twenties.
D.
They dislike doing physical exercise.
【简答题】“The people who are the decisions, they are living in the south and they are living in towns,” said Mr. Eira, sitting inside his home make of reindeer hides. “They don’t mark the change of weat...
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