题干
These clothes are _______. I don't like them.
A：in style
B：out of date
C：out of order
D：nice
答案(点此获取答案解析）
B
These clothes are _______. I don't like them.
A：in style
B：out of date
C：out of order
D：nice
＜
，某时刻在P点为两列波的波峰与波峰相遇，则以下叙述正确的是（ ）
