Ⅳ.回顾话题

　　用本单元词汇或句式完成下列写作任务

　　格林先生现在的任务是决定防止疾病发展的方法。我们都知道，他的病是因为缺乏锻炼而引起的。首先，他应该承诺要先卸掉肩上的重负；其次，过度的工作加快了疾病的进程；更为重要的是，他总是感到不舒服了却还延迟去看医生。

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　　【参考范文】　

　　The task of Mr.Green now is to decide on the ways to prevent the disease from developing.As we all know, his illness arose from the lack of exercise.Firstly，he should promise to take the heavy load off his shoulders.Secondly, his overworking sped up the process of the illness.What's more, he would always postpone seeing the doctor even when he didn't feel well.