Answer the following questions, providing detailed explanations and specific examples with each response. 

1. What are 4 reasons for fear/nervousness? 2. Why would memorizing a speech be a bad method to use when presenting your speech? 3. What techniques can a speaker use to reduce excessive tension before a speech? 4. Give the 3 general purposes for speeches and provide an example for each purpose. 5. What is the central idea of a speech?