People working in the office should have more e____ every da

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/16 14:46:58

People working in the office should have more e____ every day.

应该是exercise!
楼上都错了!
exercise的意思是“练习”时是可数的.
例如：Let's do some exercises.
做操之类的也是可数的.
例如：Let's do morning exercises.
意思是“锻炼,训练”的时候,它是不可数的.
例如：enough exercise
exercise这个词既是可数名词,同时也是不可数名词.倒底什么时候用可数,什么时候用不可数给很多学英语的人带来了困惑.在此特作一下说明.
★不可数
朗文词典的定义是：physical activities that you do in order to stay healthy and become stronger.意思是“为了健康或更强壮而从事的身体活动.”
例句也是来自该词典：Most people need to do more exercise.（大多数人需要更多的锻炼）
★可数
朗文词典的定义是：a movement or set of movements that you do regularly to keep your body healthy.（一项或一系列经常所做的,用来保持身体健康的活动）
例句：You can do exercises to strengthen your stomach muscles.（你可以锻炼你的腹部肌肉）
由上面的两个例子我们可以看到：当exercise用于“广义上的锻炼”时它被当作不可数名词在用.而当exercise用于“具体的某项活动或锻炼时”它则是可数名词.

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