试题与答案

发生炉炉煤气一氧化碳含量是（）%，所以极具危险性。A、23~30 B、27~31 C、5

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题型：单项选择题

题目：

发生炉炉煤气一氧化碳含量是（）%，所以极具危险性。

A、23~30

B、27~31

C、50~65

D、60~64

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D解析：本题主要考查学生运用所学知识解决问题的能力，京剧是在清代地方戏徽剧和汉剧的基础上糅合形成，与明清时期的传奇没有继承关系，答案选D，ABC三项存在继承关系。

考点：煤气站煤气操作考试煤气站煤气操作考试题库
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