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【单选题】
现有两个投资项目甲和乙，已知甲、乙方案的期望值分别为20%、28%，标准差分别为 40%、55%那么( )。A.
甲项目的风险程度大于乙项目的风险程度
B.
甲项目的风险程度小于乙项目的风险程度
C.
甲项目的风险程度等于乙项目的风险程度
D.
不能确定
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皮皮学刷刷变学霸
举一反三
【单选题】We________a walk when it started to rain．
A.
take
B.
took
C.
are taking
D.
were taking
【简答题】Tomcat 的默认端口是 。
【单选题】Given the scale of the enterprise it was built remarkably quickly. And given the site , in a valley where there was previously a lake, it had to be planned carefully.
A.
Because of the size of the undertaking... And because of the location...
B.
Both the scale... and the site had been sold
C.
only the scale was decided... not the site
D.
the size... and location had been changed
【简答题】73室外跑步落地时由( )先着地再过度到前脚掌A. 后跟外侧B脚后眼内侧C全部脚后跟D全脚掌
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