exercise 与exercises 的区别及用法

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exercise 与exercises 的区别及用法
exercise 与exercises 的区别及用法

exercise 与exercises 的区别及用法
exercise 可以是动词“锻炼”,如 He exercises every day. 此时,exercises 是 exercise 的单三形式.
exercise 也可以是名词.
（1）“练习”,“操”可数名词 如 There are many exercises in the book.
We should do eye exercises.
（2）“锻炼”,不可数名词 如 Let's take exercise.

exercise 指的是做锻炼 做锻炼不可数
exercises 指的是做练习题 练习题可数

exercise 与exercises 的区别及用法:
1. exercise 锻炼；运动，不可数名词，如：
A balanced diet and regular exercise are beneficial to good health.
2. exercises 练习；操练，如：
You should do morning exercises every day.
You should do more exercises to improve your English.

exercise做锻炼讲是不可数名词
exercise做体操和练习讲是可数名词

当锻炼讲，exercise不可数
但是如果是具体的锻炼，如一节操，一道题，则exercise可数，就可以加s
exercise 一般用法： take exercise, do morning exercises
orning exercises

特殊用法： 表示体育锻炼时不可数；表示练习时可数
do exercise 是不可数...

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当锻炼讲，exercise不可数
但是如果是具体的锻炼，如一节操，一道题，则exercise可数，就可以加s
exercise 一般用法： take exercise, do morning exercises
orning exercises

特殊用法： 表示体育锻炼时不可数；表示练习时可数
do exercise 是不可数名词，表示进行体育锻炼，或锻炼身体
do exercises是可数名词，表示做练习或作习题，比如学习上或优育上或音乐等方面的练习
如：He always does exercise in the morning. 他经常晨练。
He always does some exercises in the morning. 他经常早上作练习（习题）

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exercise 做名词用时分可数名词与不可数名词
当“练习，操”讲时，是可数名词
例如： We often do some morning exercises
当“运动，锻炼”讲时，是不可数名词
例如： How do you exercise
还可以做动词用，是“运动，锻炼”的意思

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