1 Sip water or sugarless drinks often. 2  Avoid drinks with caffeine, such as coffee, tea, and some sodas. 3  Caffeine can dry out the mouth. 4  Sip water or sugarless drinks during meals.
persuasive - intended or having the power to induce action or belief; persuasive eloquence; a most persuasive speaker; a persuasive argument. convincing - causing one to believe the truth of something; a convincing story; a convincing manner.
Every speech from a politician or editorial in the newspaper is an example of a persuasive form of writing. For these types of pieces, you need to be able to identify the main idea, purpose and the intended audience in order to be able to effectively evaluate the author's argument.