第一章 单元测试

1、 问题: Features that distinguish financial decisions from other resource allocation decisions are ( )
选项:
A:the costs and benefits of financial decisions spread out over time.
B:the costs and benefits of financial decisions not spread out over time.
C:the costs and benefits of financial decisions usually not known with certainty in advance by either the decision makers or anybody else.
D:the costs and benefits of financial decisions usually known with certainty in advance by either the decision makers or anybody else.
答案: 【
the costs and benefits of financial decisions spread out over time.
the costs and benefits of financial decisions usually not known with certainty in advance by either the decision makers or anybody else.
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第一章 单元测试

1、 问题:

二进制通信系统中,信息传输速率单位是( )。

选项:
A:波特
B:比特/秒
C:赫兹
D:波特/赫兹
答案: 【
比特/秒
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