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Exercise与exercises的区别

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Exercise与exercises的区别
解题思路: 此题是关于单词的词性、此意、用法的综合运用,屏设计要多积累、多锻炼,并灵活记忆
解题过程:
exercise 可以是动词“锻炼”,如 He exercises every day. 此时,exercises 是 exercise 的第三人称单数形式。
exercise 也可以是名词。
1.各种起到锻炼身体作用的活动是 exercise ,不可数。动词搭配用take.
You've put on weight! Better take exercise every day.
2.有规律的或有规则的操练只用exercises。如:眼保健操、广播体操等。动词搭配用do.
We do eye exercises during the break.
3.与知识学习有关的练习是可数名词,有单复数之分。动词搭配用do.
Today,I'll give three exercises to do.