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When we speak, sound waves begin to travel and go in all directions.A、当人们说话时,声音向
When we speak, sound waves begin to travel and go in all directions.A、当人们说话时,声音向
游客
2023-10-08
70
管理
问题
When we speak, sound waves begin to travel and go in all directions.
选项
A、当人们说话时,声音向四面八方传开。
B、当我们说话时,声音就开始传播,并且向四面八方传开。
C、当我们说话时,声波开始传递,而且向四面八方传播。
D、当说话时,声波就开始旅行,并且走向四面八方。
答案
B
解析
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