修改病句：参加课外小组活动以后，我们的知识提高了. 搭配不当：知识提高”改为：”知识增长”．参加课外小组活动以后，我们的知识增长了.
辩论：参加课外活动的利与弊 我方观点是高中生应该多参加课外活动。课外活动是指在课堂教学之外，由学校组织指导或由校外教育机关组织指导的，用以补充课堂教学，实现教育方针要求的一种教育活动，是。
课外活动可以让我们增长知识，发展智力，开阔视野和塑造性格．许多学校创造性地开展了课外活动，如朗诵、唱歌、讲故事、演话剧、办刊物以及举办各种体育活动等． After-class ActivitiesNowadays，after-class activities are becoming and popular in junior schools．【总领全文】In our school there are various kinds of activities，for example，arts and sports．We enjoy them very much．Playing football and reading are my favorites which do me lots of good．Besides building my body and improving my skills，they also free me from the heavy work of study．【介绍学校及你参加的课外活动及益处】Here I have some suggestions．To students，we’d better choose the activities which interest us and suit us；Schools should organize activities for students and leave time for activities by giving us less homework．【提出建议】Dear friends，please actively take part in after-activities，which will not only make your school life colorful，but also improve your learning．【发出号召，总结全文】
