大学英语四六级写作十大必背范文1、致辞：Directions: Write a speech on the opening of a conference of no less than 120 words. In your speech, you should:1）进行自我介绍，2）详细介绍大会内容，3）结束语。 Good morning, ladies and gentlemen, welcome to Beijing! To begin with, I would like to make a brief introduction to myself. I am the president of Motorola (China) Electronics Ltd. The following is my introduction to the conference. First, it is my great honor to be here with all of you and declare open the Con
