高三英语作文：make a short speech 550字

Dear classmates:
　　It’s a pleasure for me to have a chance to make a short speech today. Recently, I have found that some of our classmates study late into the night and do not spare any time to take a rest during the day either, but they often cannot help falling asleep in class. And some classmates seldom have breakfast, which is also a bad habit and will surely do harm to their health.
　　In my opinion, it’s extremely important for us to have enough sleep and a proper diet. We must learn to make wise use of our time, and only in this way can we keep fit and study well. I wonder if you agree with me.
　　Thank you for listening!