37 By regulation, it is ________ for all workers to wear protective clothing when they are operating the machine.
(A) diligent
(B) overwhelming
(C) industrious
(D) obligatory
詳解 (共 3 筆)
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解析: 這道題目測試的是對形容詞的理解...
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(A) diligent:意指「勤勉的」...
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The correct answer ...
私人筆記 (共 1 筆)
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By regulation, it is...