______using protective equipment, please read the basic safety regulations.A、Whe

游客2025-06-13 19

问题 ______using protective equipment, please read the basic safety regulations.

选项 A、When
B、Because
C、Although
D、Rather than

答案 A

解析词汇：连词1．选项均为连词。2．连词when后接句子，很多情况下也会接分词。原文意思是“使用保护设备时要注意阅读安全守则”，因此(A)为正确选项。

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