A、Some of them had once experienced an earthquake. B、Most of them lacked interest in the subject. C、Very few of them knew much a

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问题  
Juan Louis, a junior geology major, decided to give an informative speech about how earthquakes occur. From his audience and analysis he learned that only 2 or 3 of his classmates knew much of anything about geology. Juan realized then that he must present his speech at an elementary level and with a minimum of scientific language. As he prepared the speech, Juan kept asking himself, "How can I make this clear and meaningful to someone who knows nothing about earthquakes or geological principles?" Since he was speaking in the Midwest, he decided to begin by noting that the most severe earthquake in American history took place not in California or Alaska but at New Madrid, Missouri in 1811. If such an earthquake happened today, it would be felt from the Rocky Mountains to the Atlantic Ocean and would flatten most of the cities in the Mississippi valley. That, he figured, should get his classmates’ attention. Throughout the body of the speech, Juan dealt only with the basic mechanics of the earthquakes, carefully avoid technical terms. He also prepared visual aids, diagramming photo line, so his classmates wouldn’t get confused. To be absolutely safe, Juan asked his roommate, who was not a geology major, to listen to the speech. "Stop mc," he said, any time I say something you don’t understand. "Juan’s roommate stopped him four times. And at each spot, Juan worked out a way to make his point more clearly. Finally, he had a speech that was interesting and perfectly understandable to his audience.

选项 A、Some of them had once experienced an earthquake.
B、Most of them lacked interest in the subject.
C、Very few of them knew much about geology.
D、A couple of them had listened to similar speech before.

答案C

解析 细节题。文章第二句话提到From his audience and analysis he learned that only 2 or 3 of his classmates knew much of anything about geology.(根据听众和分析,他得知自己的同学中只有两三个人对地质学稍微了解。)选项C“几乎很少有人了解地质学”符合原文。其他选项文中均未提及,因此C是正确答案。
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