For this part, you are allowed 30 minutes to write a composition on the topic A Letter to a Schoolmate. You should write at least 150 words according to the outline given below in Chinese.假设你是李明,你有一校友玩网络游戏成瘾,请给他写封信,劝告他戒掉这种游戏。你的信应包括以下内容:1.你得知他玩网络游戏成瘾的渠道及你的感受;2.过分玩网络游戏的危害;3.你对他的建议或忠告。