单项选择题All of the following are presented in your textbook as guidelines for ethical speechmaking except ( ). A. explain your motives for speaking to the audience. B. put your ethical principles into practice. C. avoid name-calling and other forms of abusive language. D. make sure your goals are ethically soun E. be fully prepared for each speech.
单项选择题结构分明,运行良好的组织将会一直生存下去。()