单选题：Paragraph 2

题目分类：理工类
题目类型：单选题
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题目内容：

Paragraph 2 A．What does the calorimeter look like inside?
B．What program was designed for the experiment?
C．What is a calorimeter?
D．What is the first impression?
E．How do the volunteers kill the time?
F．Why did Nicola join in the experiments?

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