作者词汇基础扎实;可适当增加几条从句;文中衔接词丰富。
In the recent years, human activities have posed more and more severe threat to our environments, such as plants, animal species and so forth. Facing these series of environment problems, how should we do? some people think that it is too late to do anything about this problem, which is pessimistic and exerts a negative influence on others. I suppose we should avoid this negative point to tackle any problem. others believe the effective measures should be taken to improve this situation.