exercise单复数使用During the last summer vacation,all the students had plenty of ______ and got a lot of practical ______ in the factory.A.exercises; experiences B.exercises; experienceC.exercise; experience D.exercise; experiences ..我想问ex

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exercise单复数使用During the last summer vacation,all the students had plenty of ______ and got a lot of practical ______ in the factory.A.exercises; experiences B.exercises; experienceC.exercise; experience D.exercise; experiences ..我想问ex

exercise单复数使用During the last summer vacation,all the students had plenty of ______ and got a lot of practical ______ in the factory.A.exercises; experiences B.exercises; experienceC.exercise; experience D.exercise; experiences ..我想问ex
exercise单复数使用
During the last summer vacation,all the students had plenty of ______ and got a lot of practical ______ in the factory.
A.exercises; experiences B.exercises; experience
C.exercise; experience D.exercise; experiences
..我想问exercise在这里指的是什么?..运动还是练习?..如果是后者的话为什么不能用复数?

exercise单复数使用During the last summer vacation,all the students had plenty of ______ and got a lot of practical ______ in the factory.A.exercises; experiences B.exercises; experienceC.exercise; experience D.exercise; experiences ..我想问ex
这里exercise的意思是锻炼,指社会实践方面的,和后面的experience（经验）是一样的性质,不是具体化的习题或sports exercises,所以用不可数形式

exersice在这是为了达到某种目的活动的意思，只能用作单数。

选C 前一空为练习(作业)为不可数名词 后面为运动 exercise 是可数名词

exercise
表示锻炼时 不可数
表示练习 如习题时 可数

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