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语句间的衔接成分用的不错，同时文章中的过程性词汇很丰富；文中一些从句的使用为文章增色；作者词汇基础不错，在学术词汇的积累上还要再接再厉，要加强拼写。
In last couple of decades, the nagetive effect on this planet which was due to human activites has became an issue for every one of us. Some people believe that it is too late to change this situation, while some others claim that we still have chance to revers this situation. In my point of view, I think there are many things we can do to improve this problem. Certainly, in last half centary, human activities has impact the whole environment which includes plants and animals, for instance, some species went extinct because of the pollution. Of course, there is no way to bring these extincted species come back to real life again, which are real lose for us. However, there are many things we can do to save more lives and keep the diversity on earth. First of all, with the develop of the technology and science, we are be able to find some clean energy and widly use them, such as wind power, sorlar, water, tides. Moreover, even if use animals on experiments for medication purpose is important, we still could save some lives by limite such experiments. Last, the governments should educate people how to save this planet and love the nature environment. Surely, this planet is everyone's place, so if we want to save it and make it more beautiful, we need all man to protect it, and then, we would be able to save our family. In conclusion, there are many ways for us to save this world, by less pollution and more protection, so we can slow down the pollution speed, and with time, we can reverse this situation in the end.
