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【单选题】
工艺过程中所产生的静电有多种危险，必须采取有效的互相结合的技术措施和管理措施进行预防。下列关于预防静电危险的措施中，错误的做法是( )。
A.
降低工艺速度
B.
增大相对湿度
C.
高绝缘体直接接地n应对抗静电添加剂
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【单选题】According to the text we know that ______.
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the tired and discouraged author went up to his study to look for his father's card
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【单选题】The author of the text makes a contrast in______.
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【单选题】It can be inferred that the author ______.
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tries to sound persuasive and convincing in his opinions about career blues
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can hardly tolerate one's complete enjoyment of life
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