：When an argument is used for persuasion, its purpose is to cause its audience to believe its conclusion.A:对B:错答案: 对10、
：When an argument is used for persuasion, its purpose is to cause its audience to believe its conclusion.A:对B:错答案: 对10、
：When an argument is used for persuasion, its purpose is to cause its audience to believe its conclusion.A:对B:错答案: 对10、