New safety standards approved last week______that all workers wear a mask and goggles in the factory.

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问题 New safety standards approved last week______that all workers wear a mask and goggles in the factory.

选项 A、assemble
B、mandate
C、investigate
D、organize

答案B

解析词汇：动词1．这是一道词汇题，选项均为动词。2．原文意思是“新安全标准要求工人必须戴面具和护目镜”，因此(B)mandate为正确选项。

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