A:日内瓦会议的圆满成功
B:美苏争霸局面的出现
C:万隆会议的圆满成功
D:北约的成立
小球从斜面的顶点,以v0=2m/s,a=2m/s2向下做匀加速滑行,在到达底端前一秒内所通过的路程是斜面长度的 715 ,求:
Our teachers do whatever they can for us. They think that's their duty.