你校将举办一次关于生态保护的英语演讲比赛, 你代表你班去参赛, 请你以 “Clear waters and green mountains are as valuable as mountains of gold and silver” 为题写一篇演讲稿内容包括:
1.题目含义;   2.生态保护的意义;        3.具体措施.
注意︰
1. 词数80左右; 2.可以适当增加细节,以使行文连贯.
Ladies and gentlemen,

I am honored to stand here to deliver a speech.

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