市净率(P/B)，是指( )。A．股票市场价格与每股净资产的比率

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问题单项选择题

市净率(P/B)，是指( )。

A．股票市场价格与每股净资产的比率

B．股票市场价格与每股收益的比率

C．股票市场价格与每股利润的比率

D．股票市场价格与每股资产的比率

答案

参考答案：A

补全对话，情景问答

补全对话。

A: Can you go to the movies tonight, Emily?

B: No. I 1______. I can't go out 2______ school nights.

A: Oh, that's too bad. I can go out, but I have to be home 3______ ten o'clock.

B: You're lucky. I have so many roles.

A: Like 4______?

B: I can't 5______ out with my friends 6______ school.

A: Really? Oh, I can't, either. And I have to 7______ the guitar every day.

B: Well, I have to 8______ my room every weekend. And I can't, 9______ TV after school.

A: I can't, 10______.

填空题

Windows 98通过Win32 API为应用程序开发提供了三种使用和管理虚拟存储器的方法，它们分别是：以页为单位的虚拟内存使用方式、内存映射文件和 ______。