Directions: The quiz is designed to test your knowledgeof business presentation and try to decide whether the following statements aretrue or false. Actuallyeveryone sells something in business.? 错误|正确

What does a successful speaker require? A: The skills or hobbies that you are good at. B: Knowledgeof both sources and the types supporting materials that speakerstypically use. C: Talk about a subject with which you had some personal experience. D: None of the above.