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问题 单项选择题

投资回收期的小数部分，可用上年累计净现金流量的绝对值除以（　）来计算。

A．当年净现金流量

B．当年现金流量

C．以前年份的现金流量总和

D．累计到当年的净现金流量

答案

参考答案：A

单项选择题

A: I haven't been driving as fast as the other cars. B: ______

A．Sorry, madam. I am sorry there is something wrong with your car.

B．Don't be arguing with me. I'll kill you if you drive so far next time on the superhighway.

C．The other cars Different cars have to observe different traffic rules, you know.

D．I'm sorry, madam, your speed limit's fifty-five miles per hour. I have to give you a ticket.
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单项选择题

以下属常染色体显性遗传的疾病有()

A．Best病

B．年龄相关性黄斑变性

C．Coats病

D．视网膜中央动脉阻塞

E．中心性浆液性脉络膜视网膜病变
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