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题目详情

单选题 Which of the following statements is TRUE about railway maintenance workers

A. A. They only work in spring and autumn

B. B. They don't need to work in extreme weather

C. C. They safeguard the railway's safety with their hard work

D. D. They don't have any responsibility

行业英语-铁路课程封面

学科:行业英语-铁路

时间:2025-06-17 04:43:10

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