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【多选题】
A证券的预期报酬率为12%,标准差为15%;B证券的预期报酬率为1 8%,标准差为20%。投资于两种证券组合的机会集是一条直线,由A、B证券构成的投资组合( )。
A.
最小方差组合是全部投资于A证券
B.
最高预期报酬率是18%
C.
有效边界与机会集重合
D.
最高的标准差为20%
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参考答案:
举一反三
【单选题】C类IP地址的第一段十进制数的取值范围是( )。
A.
0~127
B.
128~191
C.
192~223
D.
224~255
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【判断题】Even though the issue that people are fussing over may not be important, there must still be an issue present wherever an argument is present.
A.
正确
B.
错误
查看完整题目与答案
【简答题】In 1838 the polical economist Malthous predicted that in time mankind would face starvation, having outgrown the available food supplies. Today, a century and a half later, there are still experts who...
查看完整题目与答案
【单选题】Which of the following conclusions can NOT be drawn from the passage?
A.
There are still many unanswered questions regarding the scale and definition of international marriages.
B.
Rich countries show faster growth of international marriages.
C.
International marriages can effectively help immigrants integrate into the local community.
D.
The growth rates of cross-border marriages in some countries vary dramatically over time.
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【多选题】下列取得所有权的方式,属于原始取得的有( )
A.
建造房屋
B.
善意取得
C.
继承取得
D.
拾得废弃物
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【单选题】35千伏导线边线在计算导线最大风偏情况下,距建筑物的水平安全距离是()
A.
2米
B.
3米
C.
4米
D.
5米
查看完整题目与答案
【单选题】下列关于Word2007表格功能的叙述中,不正确的是(43)。
A.
可以在Word文档中插入Excel电子表格
B.
可以在表格的单元格中插入图形
C.
可以将一个表格拆分成两个或多个表格
D.
表格中填入公式后,若表格数值改变,与Excel表格一样会自动重新计算结果
查看完整题目与答案
【多选题】下列取得所有权的方式中,不属于原始取得的有
A.
买卖合同
B.
继承遗产
C.
接受遗赠
D.
建造房屋
查看完整题目与答案
【判断题】There are still over thousands of lending libraries in Britain.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Even in today's society, there are still many dangers that ______us.
A.
hang out with
B.
hang behind
C.
hang around
D.
hang over
查看完整题目与答案
相关题目:
【单选题】C类IP地址的第一段十进制数的取值范围是( )。
A.
0~127
B.
128~191
C.
192~223
D.
224~255
查看完整题目与答案
【判断题】Even though the issue that people are fussing over may not be important, there must still be an issue present wherever an argument is present.
A.
正确
B.
错误
查看完整题目与答案
【简答题】In 1838 the polical economist Malthous predicted that in time mankind would face starvation, having outgrown the available food supplies. Today, a century and a half later, there are still experts who...
查看完整题目与答案
【单选题】Which of the following conclusions can NOT be drawn from the passage?
A.
There are still many unanswered questions regarding the scale and definition of international marriages.
B.
Rich countries show faster growth of international marriages.
C.
International marriages can effectively help immigrants integrate into the local community.
D.
The growth rates of cross-border marriages in some countries vary dramatically over time.
查看完整题目与答案
【多选题】下列取得所有权的方式,属于原始取得的有( )
A.
建造房屋
B.
善意取得
C.
继承取得
D.
拾得废弃物
查看完整题目与答案
【单选题】35千伏导线边线在计算导线最大风偏情况下,距建筑物的水平安全距离是()
A.
2米
B.
3米
C.
4米
D.
5米
查看完整题目与答案
【单选题】下列关于Word2007表格功能的叙述中,不正确的是(43)。
A.
可以在Word文档中插入Excel电子表格
B.
可以在表格的单元格中插入图形
C.
可以将一个表格拆分成两个或多个表格
D.
表格中填入公式后,若表格数值改变,与Excel表格一样会自动重新计算结果
查看完整题目与答案
【多选题】下列取得所有权的方式中,不属于原始取得的有
A.
买卖合同
B.
继承遗产
C.
接受遗赠
D.
建造房屋
查看完整题目与答案
【判断题】There are still over thousands of lending libraries in Britain.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Even in today's society, there are still many dangers that ______us.
A.
hang out with
B.
hang behind
C.
hang around
D.
hang over
查看完整题目与答案
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