12月英语四级作文热门话题5

　　As they are vulnerable to peer or adverse social impact, they are easy to develop bad habits.

　　旅游业的发展

　　1、 随着人们生活水平的提高，旅游业兴旺起来

　　2、 旅游业的兴旺也使自然环境遭到了破坏

　　3、 如何防止对自然环境的破坏

　　随着旅游的发展环境破坏的原因：

　　游客缺乏环境保护意识

　　Little attention has been paid to the negative impact of the tourists behavior on the environment.

　　开发过度

　　In order to gain more profits，people have overexploited the natural environment and then break the ecological balance .