1假如你是李晓，明天上午该你做值日，你准备给全班同学介绍你买的新书《Man and Nature》,书价12元，内容保护环境，适和中学生阅读
2六月六日是全国爱眼日，以爱眼日为主题写一篇短文
Love Yourself Love Eyes
3以如何度过周末写一篇英文短文
4Knowledge of traffic lights 以不闯红灯为主题

Hellow every one;
I'm Li xiao and I'm on duty today. I'm going to introduce you a book "Man and Nature". It cost me 12 yuan. It is about the envirenmental protection and suitable for us middle school students. I think it will be sure to help our study.

只写一个吧，时间有限。你最好拆成几个问题提出。