问题
单项选择题
如果在通信信道中传输1比特二进制信号的时间为0.5ms，则通信信道的数据传输速率为( )。
A．2Mbps
B．2Kbps
C．4Mbps
D．4Kbps
答案
参考答案：B
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如果在通信信道中传输1比特二进制信号的时间为0.5ms，则通信信道的数据传输速率为( )。
A．2Mbps
B．2Kbps
C．4Mbps
D．4Kbps
参考答案：B
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C. The suitcase is the heavier of all.
4. 假期迈克将要做什么？[ ]
A. Where will Mike do on vacation?
B. What will Mike go on vacation?
C. What will Mike do on vacation?
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A. You needs flour, butter and some bananas.
B. You need flour, butter and some bananas.
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