在河里游泳时最怕遇到漩涡。当人进入漩涡边沿后，往往不由自主地被吸入漩涡中心，造成事故。这是因为相对于漩涡边沿，漩涡中心流速较____，压强较____，从而形成指向漩涡中心的压力差，把人吸进去。

2CO（g）+O₂（g）=2CO₂（g）△H=﹣566kJ/mol；

Na₂O₂（s）+CO₂（g）=Na₂CO₃（s）+ $\frac{1}{2}$ O₂（g）△H=﹣226kJ/mol

根据以上热化学方程式判断，下列说法正确的是（   ）

    As a student, my school life is boring. Every day I have to do the same things, such as having lessons, taking exams and doing exercises. But my hobby is playing basketball and I always play basketball whenever I'm free. I always forget to finish my homework and I am not doing as well as others. My parents are angry with me and I am worried about my study. What can I do? Should I stop playing basketball?

请你给Allan写个回帖，分析他的情况，谈谈你的看法，并结合自己的学习生活为他提出几条合理的建议。

要求：(1) 开头部分已经写好，你只需接着写就可以；(2) 文章必须与上面的内容呼应；(3) 词数：80词左右。

Hi Allan,

    I know you feel bored with the school life and you spend all your free time playing basketball.……

Yours,

Lin Hai