题目内容
(请给出正确答案)
提问人:网友ttwinner
发布时间:2022-01-07
[主观题]
The high-pitched whistle can heard at a distance of ______.A.10kmB.5kmC.15kmD.8km
The high-pitched whistle can heard at a distance of ______.
A.10km
B.5km
C.15km
D.8km
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