Sound travels in the form(形式)of . When you talk, other people hear your voice .

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问题 Sound travels in the form(形式)of ______.
When you talk, other people hear your voice ______.

选项 A、through the bones of your head
B、from the outside
C、from the inside

答案B

解析根据原文选[B]。

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公共英语一级笔试

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