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作者学术词汇使用比较准确，词汇表达较丰富，但仍需增加词汇积累；能够很好的使用长难句且句法很棒；语言不流畅；连词使用偏少；请注意分段。
Human beings have made variety of technology breakthroughs and lots of devices have been invented, and all of those have facilitated our lives.In contrast,our living environment is getting worth. First of all,the habitats of many species are losing,although it is unknown exactly that how many species have been wiped out on earth since Industrial Revolution.In many nations practical solutions like prohibition of trade in endangered animals and plants to protect wildlife do exist,but they can not be useful without enforcing legislation word-wide.Penalties for violation used to be to minimal to stop such destructive human activities as illegal hunting and deforestation and pollution.
