谁能用英语表达一下活动的目的是为了练习口语，提高英语水平，2 广交朋友包括一些外国朋友3丰富知识

Firstly, the aim of the activity is to practice our oral English, and to improve the English level.
Secondly,we can make friends including some foreign friends.
Thirdly, we can enrich our knowledge

Firstly,the purposes of the activities are to improve our spoken English.Then,we can also make many friends ，even some foreigners included。Thirdly,we will learn a lot from these activities.本回答被提问者采纳