【判断题】A preview statement is usually necessary in the introduction even when a speaker is addressing an audience that is well-informed about the topic.
【简答题】What is a preview statement?
【单选题】药物不良反应的副作用是
E.
当-种药物具有多种药理作用时,除治疗作用之外的其他不利作用
【判断题】What is a preview statement? Preview statement is a statement that indicates when the speaker has finished one thought and is moving on to another.
【判断题】A preview statement tells an audience what to listen for in the rest of the speech.