From the first paragraph we know that ______. Of the following, which is NOT the way TV signals travel?

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问题 From the first paragraph we know that ______.
Of the following, which is NOT the way TV signals travel?

选项 A、In a curve.
B、In a straight line.
C、In all directions.
D、Toward the horizon.

答案A

解析

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大学英语三级B级

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