问题
单项选择题
When hitting a solid object such as ship or an airplane,the radar waves are reflected back（）they came.
A.in the way
B.the way
C.by the way
D.through the path
答案
参考答案：D
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When hitting a solid object such as ship or an airplane,the radar waves are reflected back（）they came.
A.in the way
B.the way
C.by the way
D.through the path
参考答案：D