题目内容：

There are two faces of nature. One is good while the   1.  is bad. It all depends on   2.you look at it. I believe that nature is man’s friend and we should treat it with a great deal of respect. 3.  trip to the mountains on the weekend will give a glimpse  4.  how beautiful nature is and can be.

Unfortunately, due to our busy lives, many of us take this beauty for granted. We keep spoiling our environment instead of protecting  5.. Because of the harm  6.  was caused by humans, nature has turned on (attacked suddenly) us.  7.  a result, storms and landslides are taking place more than ever before. If we don’t take the time to protect our environment, nature will no longer be our friend,   8.  our biggest enemy.