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【多选题】
对于期货期权交易，下列说法正确的是（ ）。A.
买卖双方风险和收益结构不对称
B.
买卖双方都要交纳保证金
C.
都在有组织的交易场所内完成交易
D.
都采用标准化合约方式
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【单选题】Which skirt does the man want to buy?
A.
The red one.
B.
The green one.
C.
The brown on
【简答题】Alaska is disappearing slowly but surely. Since the 1950s, it is estimated that as much as 15 percent of Alaska’s area has disappeared. But how can a whole state be disappearing? One reason for Alaska...
【判断题】无风险利率为10%;市场期望收益率为18%,贝塔为1.0;组合A的期望收益率为20%,贝塔为1.5。在简单CAPM的背景下,这些组合是可能同时存在的。
A.
正确
B.
错误
【单选题】Since pollution became a concern in the 1950s, experts have predicted wrongly that the car ______ was about to end.
A.
boost
B.
boom
C.
production
D.
prosperity
【单选题】Which one of the following does NOT belong to seven heavenly virtues?
A.
kindness
B.
fidelity
C.
diligence
D.
patience
【单选题】According to the author, which one of the following does NOT belong to the category of antioxidants besides vitamin E?
A.
Vitamin Ａ.
B.
Vitamin Ｂ.
C.
Vitamin Ｃ.
D.
Carotene.
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