一列简谐横波沿x轴传播,t=0时的波形如图所示,质点A与质点B相距1 m,A点速度沿y轴正方向;t=0.02 s时,质点A第一次到达正向最大位移处,由此可知 ( )
English is a language shared by several diverse cultures, _________ uses it differently.
---___________ everyone present at the meeting? ---No, all but one _________ there.
It was the boy, rather than his brothers, that _________ for what they had done.
What the sick child needs most now ______ love.
The family _____ fans of Jay Chow, whose songs all sound familiar to them.