【单选题】Beckett secured his position as a dramatist on April 3, 1957 when his second piece, _________, premiered (in French) at the Royal Court Theatre in London.
【单选题】如图所示,将木块放在粗糙程度相同的水平桌面上,用水平向右的拉力拉木块,使木块向右做匀速直线运动。在木块匀速直线运动的过程中,下列相关描述正确的是( )
D.
绳子对木块的拉力和木块对绳子的拉力是一对平衡力
【单选题】如图所示,将带钩的木块放在粗糙程度相同的水平桌面上,小明水平拉动木块,在木块匀速运动过程中,以下说法中正确的是 ( )
C.
绳对木块的拉力和桌面对木块的摩擦力是一对平衡力
D.
绳对木块的拉力和手对绳的拉力是一对相互作用力
【判断题】Beckett secured his position as a dramatist on April 3, 1957 when his second piece, Waiting for Godot , premiered (in French) at the Royal Court Theatre in London.