exit可数吗
1、exercise泛指“锻炼”时，做不可数名词。
2、exercise表示“体操”或“练习（题）”时是可数名词，要用复数形式。（仅供参考）
There was a stampede for the exit.
出现了人群向出口的狂奔。
The crowd made a mad rush for the exit.
人群疯狂地冲向出口处。
He made a quick exit to avoid meeting her.
他迅速离去以避免见到她。
Where\'s the exit?
出口在哪儿？
The heroine made her exit to great applause.
女主角在热烈的掌声中退场。