假定英语课上老师要求同桌之间交换修改作文, 请你修改你同桌写的以下作文。作文中共有10处语言错误, 每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧）并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线, 并在该词下面写出修改的词。
注意：
1. 每处错误及其修改均仅限一词；
2. 只允许修改10处, 多者（从第11处起）不计分。
Chengdu, the capital city of Sichuan province, when the 31st FISU World University Games took place, have become more popular since its opening. I am -lucky enough to act as the cheerleading team's captain then. I have gained a lot of from the event. As a group, unity is absolute important for our team of which a good spirit requires our efforts. In the process of serve as the cheerleader, I learned get along well with my classmates. I also learned why to lead them to shout slogans. After all, our encouragement enhances athletes' confidence, and inspires them greatly, either.
