做早操 do morning exercises 还是do morning exercise我跟学生说do morning exercises,可题目上居然出现了一个do morning exercise...我孤陋寡闻了,Doing morning exercise is good to our healthexercise 在做体操来讲时不是可数么?

问题描述:

做早操 do morning exercises 还是do morning exercise
我跟学生说do morning exercises,可题目上居然出现了一个do morning exercise...我孤陋寡闻了,Doing morning exercise is good to our health
exercise 在做体操来讲时不是可数么?

对、对,作为“体操”应该是可数的,那应该是do morning exercises,还有do eye exercises做眼保健操!
作为“运动”才不可数.不好意思哈!