What are all the attitude to become an successful public speaker?
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Know your material well. Be the expert. Practice your presentation.
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Get the audience to participate Establish rapport by using names and eye contact.
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Always check the facilities and audiovisual equipment in advance.
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All of the above
Successful public speaking requires mastering multiple practices: knowing your material and practicing (A), engaging the audience through participation and rapport (B), and preparing facilities and equipment in advance (C). Option D 'All of the above' is correct because effective speaking combines content mastery, audience connection, and logistical preparation.
Being a successful public speaker requires multiple complementary skills: thorough knowledge of the material, engaging the audience through rapport and eye contact, and being prepared logistically by checking equipment in advance. Since all three listed behaviors genuinely contribute to effective public speaking, "all of the above" is the most complete and correct answer.