Answer: this is true
Explanation: one word that i can think of is “fast”
ex: noun: she is on a fast
Verb: she will fast tomorrow
Adverb: she is fast
so there you can see that a word can in fact be all three at the same time, depending on the context of course
Answer:
All of the above logically could be applied in this context; however, if you are to choose one, I would think your best bet is "Vary Tone and Emphasis."
Explanation:
There's a lot that goes into making a speech more enthralling for the audience, especially depending on what kind of presentation you're giving. Generally speaking, I believe the tone and emphasis are most important for all speeches, so that probably sounds like your best bet.
Cultural diversity, hope this helps!
