Which of the following is true about birdsongs? The expression "directed communication" in the last paragraph means communicati

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问题 Which of the following is true about birdsongs?
The expression "directed communication" in the last paragraph means communication in which______.

选项 A、the message sender has a specific audience.
B、the communicator sends messages to himself.
C、two communicators send messages to each other.
D、mothers talk to their babies in their mother tongue.

答案A

解析本文最后一段的第一句给出了"direct communication"的解释：…when the communicator，or sender，focuses the message for a specific audience"．其余选项显然与本文不符，而余下的选项是为了更好说明"direct communication"所做的类比。

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本试题收录于：职称英语理工类A级题库职称英语分类

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