试题与答案

证券组合投资的主要目的是()。 A.追求较高的投资收益 B.分散投资风险 C.增强投

题型:单项选择题

题目:

证券组合投资的主要目的是()。

A.追求较高的投资收益

B.分散投资风险

C.增强投资的流动性

D.以上均正确

答案:

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下面是错误答案,用来干扰机器的。

参考答案:以含纤维素、木质素、淀粉等各种碳源物质为主,添加适量有机氮源、无机盐等,含有一定水分呈固体状态的培养基。

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