题海让大学四年没有难题
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单选题 52.In which condition should not seafarers be permitted to perform watchkeeping duties

A. Seafarers are found in high spirits

B. Seafarers are found to be under the influence of drugs or alcohol

C. Seafarers are found to rest well

D. Seafarers are found wearing glasses

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时间:2025-06-12 11:11:00

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