Composition 正反观点对比作文 首段：阐述现象。There is a discussion about/on _. 二段：正方观点列举。通常使用： firstlysecondlythirdly 三段：反方观点列举。通常使用：however/ every coin has two sides 等进行衔接。 观点列举时，常使用： First of all,_. Moreover/ besides , _. Most important of all, _. 最后一段阐述个人观点。常使用：In my opinion/ As far as I am concerned, _. Dear Editor , Im a senior 1 student . Now MP3 are very popular among us middle school students . There are many advantages . Firstly , its so small that its convenient for us to carry . Secondly , it can help to improve our English listening . Thirdly , it can download music , songs and even films , which can thus enrich our life . However , there are some disadvantages ,too . Scientific researches discover that overusing it can influence our hearing , which is harmful to our health . Besides , some students are addicted to pop music and songs , both in and out of class and other students even listen to it on the way , which is thought very dangerous . In my opinion , we should make good use of MP3 and MP4 in our study and on the other hand we should learn to use them properly and safely . Yours, LiHua 下面是你班班会上以“中学生是否能佩带手机”为题进 行讨论的情况。请你写一封信给21st Century报的编 辑说明该情况，并表明你自己的观点。 比例 40%学生赞同 60%学生不赞同 正方： 1.便于同亲友联系； 2.可以上网查资料； 3.储存有用信息。 反方： 1.手机辐射对人健康有害； 2.响铃影响自己和他人学习； 3.容易引起相互攀比。 注意：1.要包含所有的要点，但不要逐条翻译；2.字 数约100字。3.信的开头和结尾已写好 参考词汇：辐射radiation