多项选择题
A． B． C． D．
单项选择题
演讲稿不应留有伸缩的余地，而应完全固定下来，以便演讲顺利进行。
判断题演讲稿不应留有伸缩的余地，而应完全固定下来，以便演讲顺利进行。
If the specific purpose of your informative speech is t...
单项选择题If the specific purpose of your informative speech is to recount the history of an event, you will usually arrange the speech in chronological order. A. 对 B. 错
