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单选题
在高压电环境下工作时，请遵守安全注意事项。
A
A.Obey the safety precautions when you do work with high voltages.
B
B.Obey the safety warnings when you do work with high impedance.
C
C.Obey the safety cautions when you do work with high capacitance.
答案解析
正确答案：A
相关知识点：
高压电下工作，遵安全注意
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