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【单选题】
下列关于证券投资组合的说法中,正确的有:
A.
证券投资组合要求补偿的风险只是市场风险,而不要求对可分散风险进行补偿
B.
证券投资组合要求补偿的风险是可分散风险,而不要求对市场风险进行补偿
C.
证券投资组合要求补偿全部市场风险和可分散风险
D.
证券投资组合要求补偿部分市场风险和可分散风险
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【判断题】在0-1整数规划中,变量的取值可能是0或1。
A.
正确
B.
错误
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【单选题】被认为是人工智能“元年”的时间应为:
A.
1948 年
B.
1946 年
C.
1956 年
D.
1961 年
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【简答题】One funny thing about all of these different areas is 1 none of them are taxed. You are 2 on the money you earn, and that is it. There is no knowledge tax, for example. You can learn freely throughout...
【判断题】将氨基酸溶解于pH值小于其pI的缓冲溶液中时,该氨基酸带负电。
A.
正确
B.
错误
【单选题】在0-1整数规划中,变量的取值可能是( )
A.
0或1
B.
非负整数
C.
大于零的非整数
D.
以上三种都可能
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