activity 是可属名词吗？

activity
n.
1. 活动;活动力[U]
He once engaged in anti-government activity.
他一度从事反政府的活动。
2. 行动[U]
The store was a scene of great activity.
这家商店顾客盈门。
3. 活跃;敏捷[U]
4. (某一团体的)特殊活动;带消遣性的活动[P1]
The school offers many recreational activities for the students.
该校为学生提供了很多娱乐活动。
Many ended up in prison for terrorist activities.
许多从事恐怖活动的人最终被关进牢房。

因此，activity既可以做可数名词，也可做不可数名词，视实际情况而定。

是。。许多活动可以用activities.

因为activity的最后一个字母是Y,所以应该去掉Y,变成IES,最后是activities

n

是的。

是