According to the article, how can people learn more about the insulation?A.By co

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问题 According to the article, how can people learn more about the insulation?

选项 A.By contacting their heating company
B.By attending a presentation
C.By calling Rase Chemical Corporation
D.By e-mailing Bernard Cho

答案B

解析文中最后一段指出,Rase化公司的CEO将会在会上讲关于化学绝缘体的一些知识。B符合。
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