do morning exercise可数吗

　　For maximum effect do the exercises every day.

　　每天锻炼以取得最佳效果。

　　He was a man who exercised considerable influence over people.

　　他是个对别人有相当影响的人。

　　Regular exercise has a direct bearing on fitness and health.

　　经常性锻炼对于身体健康有直接影响。

　　Repeat these five steps, as in the last exercise.

　　照前面的练习一样，重复这五个步骤。

　　Each exercise focuses on a different grammar point.

　　每个练习各有不同的语法重点。