What are the man and woman talking about（）
A. They are talking about the weather forecast.
B. They are talking about the football match.
C. They are talking about the Internet.
Where does this conversation most probably take place（）
A. In a bank.
B. In a restaurant.
C. In a department store.
What does the man want（）
A. Some stamps.
B. Sixteen new books.
C. Thirty-two discs.
贝塔系数的绝对值越大，表明证券承担的系统风险越大。 ( )
A. 对
B. 错
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