题目内容

Teenagers whose parents smoke are at risk of getting lung cancer at some time during their

A. YES
B. NO
C. NOT GIVEN

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The total quantity of water on Earth______

A. remains almost unchanged.
B. has greatly increased in recent years.
C. is decreasing constantly.
D. is affected by global warming.

假设A证券的标准离差是12%，B证券的标准离差是20%，AB证券之间的预期相关系数为0.2，在资产组合中A证券占的比例为70%，B证券占的比例为30%，则AB资产组合收益率的标准离差为11.26%。()

A. 正确
B. 错误

基金获准上市的，应在上市日前一周内，将基金份额上市交易公告书登载在指定报刊和管理人网站上。()

A. 正确
B. 错误

可赎回债券的利息收入具有较大的不确定性。()

A. 正确
B. 错误