在社会主义初级阶段，所有制形式具有多元化的特点，这是因为( )。
A. 社会主义经济本质上是市场经济
B. 初级阶段还实行以按劳分配为主体，多种分配方式并存的分配制度
C. 生产力发展水平较低，发展不平衡
D. 产权关系不明晰
What does the author say about the North American market
A. The American buyers of pictures have not changed their taste.
B. The middle market remains strong.
C. The Americans, buy art as a speculation.
D. It is experiencing a major recession.
Which of the following does NOT account for the current boom in the art market
A. The American dollar has become weaker against some major currencies.
B. The very rich wish to put part of their investment in art.
C. The very rich have regained their confidence.
Dealers buying is growing stron
股票是( )。
A. 可以随时收回的股金凭证
B. 投资人股和按期获得股息收入的凭证
C. 一般贷款取得利息的凭证
D. 没有价值不能买卖的无价证券
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