1. (2020高二下·南充期末) 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处错误，每句中最多有两处。错误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。

3）错误类型不涉及单词拼写。

The environment pollution was more and more serious today. We have no clean water to drink it because of water pollution. And when trees cut down, some animals disappear. There is more and more dirty smoke in the air. People's health has been great affected by air, noise and water pollution. Many people have died of diseases causing by pollution. In order to live the better life, it's time for us to protect our world.

Firstly, we shouldn't throw away rubbish everywhere. And we should recycle, reduce and reuse things, that saves money and reduces pollution. Use things so long as possible. Don't use plastic bag. Besides, we must plant more trees and stop people cutting it down. We hope our world will be more and more beautiful.