A．whistleB．whichC．wheatD．whole
A. whistle
B. which
C. wheat
D. whole
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Why did the paper industry need a new source of fiber in the early 180Os？
A. Publishers wanted higher quality paper.
B. Paper made from rags deteriorated too quickly.
C. Wood pulp had become too expensive.
D. The supply of rags was insufficient.
A．metreB．messageC．memoryD．medal
A. metre
B. message
C. memory
D. medal
在资产配置过程中,确定有效资产组合的边界的目的是找出最小方差组合。()
A. 正确
B. 错误
20世纪90年代中后期,第五次购并高潮的购并方式是()。
A. 出资购买资产式
B. 出资承担债务式
C. 以股票换资产式
D. 以股票换股票式
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