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e longer thant before对应average life expectancy is increasing，回应题中全部内容。其次句用Although使句子更紧凑，回应了任务要求，negative consequences对应problems，measures对应steps，mitigate these potential problems对应reduce the impact of .
　　二、DG类
　　DG类的题目，在个人观点上有两种可能：一是A和B都有道理/都重要/对实现某一目标都有作用，二是A或B更有道理/更重要/更好。相应的开头段写法如下：

　　+我觉得都须要。
　　例1：Some people think that museums should be enjoyable places to entertain people, while others believe that the purpose of museums is to both views and give your own opinion.
　　开头段：People have different views about the role and function of museums. In my opinion, museums can and should be both entertaining and educational.
　　解析：第一句用套句开头，但对原题内容进行了改写和概括，本文用the role and function替换了原文的the purpose。其次句概括给出自己的观点，两者可以共存.
　　例2：Some people think that strict punishments for driving offences are the key to reducing traffic accidents. Others, however, believe that other measures would be more effective in improving road safety. Discuss both these views and give your own opinion.

　　开头段：People have differing views with regard to the question of how to make our roads safer. In my view, both punishments and a range of other measures can be used together to promote better driving habits.
　　组长解析：第一句用套句开头，并对有争议的问题进行了概括，用how to make our roads safer替换原文的reducing traffic accidents和improving road safety。其次句概括给出自己的观点，两种观点都能发挥作用。
　　(事实背景)+虽然A有道理，但我更倾向B。
　　例1：Successful sports professionals can earn a great deal more money than people in other important professions. Some people thin