火药发明朝代( )。
【单选题】
在证券投资中,多样化投资的风险分散策略成为投资者(尤其是机构投资者)消除系统性风险的基本策略。( )
A.
错
B.
对
参考答案
参考解析
【单选题】
According to the passage, what did the Puritans expect from married women?
They should adopt needy children.
They should assist in their husbands' trade or business.
They should work only within their own homes.
They should be apprenticed.