精选优质文档-倾情为你奉上大学英语四级写作十种常考类型作文及范文:1、致辞2、求职信/求学信3、邀请信4、个人简历5、告示6、就业7、考试8、读后感9、难忘的人10、论述文框架1、致辞Directions: Write a speech on the opening of a conference of no less than 120 words. In your speech, you s hould :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 intro duction to myself. I am the president of Motorola (China Electronics Ltd.The following is my introduction to the conference. Fir