题目内容：

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号(∧ )，并在其下面写出该加的词。

删除：把多余的词用斜线(\)划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

We are encouraged to be nice to other people. However, most people forget to be nice to environment. It is widely acknowledged; the importance of environmental protection can't be ignored for the fact that we should make up the earth a good place to live on.

There are many ways to help reducing global warming. Walking is my preferring exercise, which I think is a good choice. If I had to go somewhere far away, I'll take the public transportations. Additional, I try to encourage friends and families to do the same. It's only when everyone does anything to help which we can hope to make a difference together.