不定项选择题：一列间谐横波沿直线由A向B传播，A、B相距0.45m，右图是A处质点的震动图像。当A处质点运动到波峰位置时，B处质点刚好

题目内容：

一列间谐横波沿直线由A向B传播，A、B相距0.45m，右图是A处质点的震动图像。当A处质点运动到波峰位置时，B处质点刚好到达平衡位置且向γ轴正方向运动，这列波的波速可能是

A．4.5/s
B．3.0m/s
C．1.5m/s
D．0.7m/s

参考答案：

答案解析：

阅读下列文章，回答53～56题。DMy family and I lived across the street fro

阅读下列文章，回答53～56题。DMy family and I lived across the street from Southway Park sinc

分类：理综题型：不定项选择题

It can be learned from the passage that parents should.A．encourage children to p

分类：理综题型：不定项选择题

In his mother's eyes, the writer __________ .A．was a born artist B．always caused

分类：理综题型：不定项选择题

一I’m sorry．That wasn’t of much help．一Oh，_______________．As a matter of fact，it

分类：理综题型：不定项选择题

分类：理综题型：不定项选择题