The BBC has just successfully demonstrated a new digital radio ______ system.

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问题 The BBC has just successfully demonstrated a new digital radio ______ system.

选项 A、transaction
B、transmission
C、transition
D、transformation

答案B

解析名词辨析题。transmission意为“(信号、节目等)传送，传输”；transaction意为“办理，处理，业务，交易”；transition意为“过渡，转变”；transformation意为“完全改变，改观”。根据句意选择B。

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专业英语四级

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