In everyday usage, "hot" means ______. Which of the following is true?

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问题 In everyday usage, "hot" means ______.
Which of the following is true?

选项 A、Without engines civilization is impossible.
B、Without engines we have no industrial civilization.
C、Engines came before civilization.
D、Engines came before man knew how to use heat.

答案B

解析 本题为细节题。根据第四段可知,heat才是一切文明的前提。再根据本段最后一句“没有发动机,工业文明是不可能的”,可以推断选项B)是正确的。
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