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Huang Louise, a junior geology major, decided to give aninformative speech about how earthquakes occur. From his audience analysis, helearnt that only two or three of his classmates knew much of anything aboutgeology. Huang realized then that he must present his speech at an elementary level and with a minimum ofscientific language. As he prepared the speech, Huang kept asking himself:“ how can I make this clear and meaningful to someone whoknows nothing about earthquakes or geological principles？” Since he was speaking in the Midwest, he decided tobegin by noting that the most severe earthquake in American history took placenot in California or Alaska, but at New Madrid, Missouri in 1811. If such anearthquake happened today, it would be felt from the Rocky Mountains to theAtlantic Ocean and would flatten most of the cities in the Mississippi Valley.That, he figured, should get his classmates’ attention. Throughout the body ofthe speech, Huang doubt only with the basic mechanics of earthquakes andcarefully avoided technical terms. He also prepared visual aids diagramming photolines so his classmates wouldn’t get confused. To be absolutely safe, Huangasked his roommate who was not a geology major to listen to the speech. “Stopme”， he said, “Anytime I say something you don’t understand”. Huang’s roommatestopped him four times. And at each spot, Huang worked out a way to make hispoint more clearly. Finally, he had a speech that was interesting and perfectlyunderstandable to his audience。
Question 30: What did Huang Louise learn from theanalysis of his audience?
Question 31: How did Huang Louise start his speech?
Question 32: What did Huang ask his roommate to do whenhe was making is trial speech?
