What is the most obvious difference among informative presentation, persuasive presentation, and goodwill presentation? ( )
A.the audience
B.the information
C.the purpose
D.the language
正确答案:the purpose
What is the most obvious difference among informative presentation, persuasive presentation, and goodwill presentation? ( )
A.the audience
B.the information
C.the purpose
D.the language
正确答案:the purpose