假如你叫李華，你校初三年級同學(xué)正在開展一場討論，主題是“初三學(xué)生要不要參加體育鍛煉”。請根據(jù)下面所提供的信息，用英語總結(jié)出討論情況。

　　提示：

　　70%的學(xué)生

　　30%的學(xué)生

　　應(yīng)該每天進(jìn)行體育鍛煉，但不要時(shí)間過長

　　鍛煉浪費(fèi)時(shí)間、使人疲勞

　　鍛煉能增強(qiáng)體質(zhì)，保持健康

　　鍛煉以后很興奮，較長時(shí)間不能投入學(xué)習(xí)

　　鍛煉能使大腦休息，使學(xué)習(xí)效果更好

　　鍛煉中可能會(huì)受傷

　　要求：語句通順，句意連貫；詞數(shù)為80詞左右；發(fā)言稿的開頭已寫好，但不計(jì)入總詞數(shù)。

　　Dear classmates:

　　I’m Li Hua After the discussion we found that 70% of the students think they should take all kinds of exercise every day but not spend too much time. They think exercise builds body and can keep them healthy. Sports also let them have a good rest so that their study will be more effective.

　　On the other hand 30% students believe taking exercise is tiring and it’s a waste of time. They say that after having sports they are too excited for a long time to focus on their lessons. And it’s possible to be hurt while doing sports.