英语作文---“保护环境,爱我家园” 大家看看有什么语法错误?演讲稿有什么英语演讲时应该注意的问题

英语作文---“保护环境,爱我家园” 大家看看有什么语法错误?演讲稿有什么英语演讲时应该注意的问题
Protect the environment love my home
As we all know,environment problem is more and more important in China even the whole world.We should make concerted efforts to meet the challenge confront all kinds of pollution problems.
Let me introduce you to a variety of pollution problems.
Air pollution
Beijing Olympic Games has been hold.But do you know?Before beginning,Beijing launched a single-double number measures that one car can only drive three times a week.This initiative madethe blue sky and we could smell pure air.
Water pollution
L can tell you a truth:Factor of safety of drinking water in China are not high.At present,the major cities in our country only 23% of the residents of drinking water meet the health standards.
To protect environment has no time to delay.Let'go!
我是初二的,请大家看一下有哪些语法上的错误?
对于主题“保护环境,爱我家园”有什么应该添加的内容?
结尾比较仓促,有什么更好的意见和建议?
因为这是我的演讲稿,有哪位好人可以告诉我一些演讲时应该注意的事项,