2017GRE考试写作专题解析及作文提纲
1、环境破坏已经对生态平衡造成很大影响，环境破坏影响人类，迫切需要保护
since the humans arrived in Australia, the species there have decreased sharply The significance of preservation has already been seen in Australia, where lots of regulations have been set by the government to protect the wilderness areas, its wildlife have been preserved and thrived significantly.
2、边远地区的.环境破坏也会影响到更大环境(整体性)，
Take the depletion of ozone layer in Antarctica as example. Due to the wildly use of refrigerator, a lot of gases spread to the atmosphere and thus leads to a thinner Ozone Layer. The Ozone Layer helps prevent unwanted ultraviolet radiation ,hence the temperature of the world is not too high. However, because of the depletion of Ozone Layer in Antarctica, the temperature in this area rises ,therefore the iceberg in this area thaw out and consequently result in a higher level of Ocean, which means a disaster to human beings.
3、政府有责任 undeniable mission保护环境，个人的力量有限，政府可以采取更有效措施
Tibetan Antelope Tibetan pleatue There is a long-standing non-governmental organization called wild yak team. Although they do many thing to combat with those evil strugglers, their efforts are slim. The first difficulty is that they have no right to punish those evil strugglers. The only thing they could do is try to prevent those evil struggles. However their strength is too weak compared to the strugglers. Another difficulty they face to is that they even can’t ensure their survival. They can’t get money from the wild yak team, meanwhile most of their time are spent on protecting Tibetan Antelope and could not do other things to earn money.
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