2. 外语
  3. Radio signals are waves that are used to ______ music or speech.

Radio signals are waves that are used to ______ music or speech.

admin2012-03-02  48
问题 Radio signals are waves that are used to ______ music or speech.
选项 A、transfer
B、transmit
C、transport
D、transform
答案B
解析 transfer“转移”；transmit“传送”：transport“运输”：transform“转变”。
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大学英语四级

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