I'm wangNan,a student of No.1 Middle School. I have a gooa friend,Jim.He' an USA girl.We are both in Class Two,Grade Eight.She is 15 years old,one year older than me. We both study hard.I'm good at physices,but she's good at math.We often help each other with lessons.Both of us like helping others. We both like sports very much.Jim enjoy playing basketball.but Ilike palying soccer. She likes green but Ilike red. Tough we are different in my ways,we are good friends

关于弹跳的新概问题

17岁~应该还有提升空间~但可能不大！

不过你可以尝试加大训练量！念英或许还能激发你还没激发出来的语语潜质！

最好的法精练习弹跳方法是绑沙袋摸高~蛙跳和跑步！

最好就是讲精制定一个计划~每天都练~每天的训练量只能多不能少！