Which of the following situations are not public speaking（）
A presentation at an international conference
B. A product demonstration to global buyers
C. A toast at a dinner
D. All of them
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When you discover most of your audience are showing no interest in your speech, you should:（）
A. Raise your voice to wake them up
B. Sing a song to attract them
C. Tell a small joke related to your speech
D. Accuse them of not listening to you
What is the proper way to clarify a subject that your audiences know little about（）
A. You can use simple and clear language and some rhetorical devices
B. You can use some very technical terms
C. You can use lots of gestures
D. You can use casual and random language to clarify
our catalogues for your reference（）
A. Enclosing
B. Please find enclose
C. Enclosed please find
D. Enclosure
It is strongly advisable thatwhen replying to an inquiry, the seller starts his letter by（）
A. directly informing about the prices
B. providing details of the product
C. telling honestly that the productis out of stock
D. thanking the inquirer for his interest
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