问题
单项选择题
下表显示了两种资产组合的风险和收益比率。
根据前表参照证券市场线作出的资产组合R的图形，R位于( )。
A．证券市场线上
B．证券市场线的下方
C．证券市场线的上方
D．数据不足
答案
参考答案：D
解析： 还需要知道无风险利率。
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下表显示了两种资产组合的风险和收益比率。
根据前表参照证券市场线作出的资产组合R的图形，R位于( )。
A．证券市场线上
B．证券市场线的下方
C．证券市场线的上方
D．数据不足
参考答案：D
解析： 还需要知道无风险利率。
| 根据短文内容判断下列句子的正(T)误(F)。 | |
mother cat. She has five babies. She looks after (照顾) them. Baby cats are called kittens. New kittens can not see. They can't open their eyes, but they can find their milk. Cats eat meat and fish. Cats drink milk. They drink water, too. Cats like catching birds. Cats like catching mice. Kittens are too small. They can't catch birds or mice, but they like to play with things. ( ) 1. Cats are all black and white. ( ) 2. Kittens are baby cats. ( ) 3. A baby cat can find her mother's milk. ( ) 4. A baby cat can't see anything, but it can open its eyes. ( ) 5. Kittens can't catch mice, but they can catch birds. |