______ is a device which enables digital microcomputers to communicate across analog telephone lines.

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问题 ______ is a device which enables digital microcomputers to communicate across analog telephone lines.

选项 A、The repeater
B、The modem
C、The hub
D、The printer

答案B

解析 译文的含义是:(  )能使数字计算机通过模拟电话线进行通信。A、B、C、D各选项的含义是中继器、调制解调器、集线器、打印机。选项B正确。
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