【题目】
If you could change one important thing about your hometown, what would you change? Use reasons and specific examples to support your answer.

【范文】 Changing My Hometown
My hometown is a large city with a dense¹ population. Because it is crowded with people and their vehicles, the environment is not as clean as I would like it to be. Too many cars and buses pollute the air and people also create a lot of garbage that is not always disposed of properly. If I could change just one thing about my hometown, it would be the environment. I would make it a cleaner and less polluted place to live.

I believe that such a change is important because a person’s living environment can greatly affect both his physical and mental health. Bad air quality can contribute to many health problems such as asthma², and improperly³ discarded garbage can spread bacteria that are dangerous to health. In addition, the environment can greatly affect the way a person feels. When in clean, attractive surroundings we always feel more optimistic. For these reasons, I think the people of my hometown should work together to make it a cleaner place to live.

Insgroupsto accomplish this goal we have to not only enact⁴ laws to limit pollution, but also take personal responsibility for our own actions. Only when people realize the effect that the environment has on their well-being⁵ will they take such proposals seriously. Therefore, we must first inform people of the dangers of a poor environment. Then I believe we can all live happier, healthier lives.
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［参考译文］改变我的家乡
我的家乡是个人口密集的大城市。因为挤满了人和车辆，所以它的环境没有我所希望的那么干净。过多的汽车及公共汽车污染了空气，人们制造的许多垃圾也不一定能够得到妥善处理。如果我只能改变家乡的一样东西，那么我想改变的就是它的环境。我想使它成为一个更干净、污染更少的居住场所。

我认为这样的改变是很重要的，因为居住环境可能会大大地影响人们的身体及心理健康。不良的空气质量可能会导致许多健康方面的问题，例如哮喘；而随意丢弃的垃圾也会传播有害健康的细菌。此外，环境对于人们的感受会有相当大的影响。在干净而宜人的环境里，我们一定会觉得更乐观。因此，我认为家乡的居民应该共同合作，让它成为更干净的居住场所。

为了达到这项目标，我们不仅要制定法律来限制污染，还必须为自己的行为负责。只有了解环境对健康的影响，人们才会认真考虑这些提议。因此，我们必须先让大家知道不良环境可能造成的危险。我相信这样一来，我们都能过着更快乐、更健康的生活

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