Secure your safety harness when working （）.A、aloftB、outboardC、ABD、inboard
Secure your safety harness when working （）.
- A、aloft
- B、outboard
- C、A&B
- D、inboard
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I’m worried about the valuables I carry with me will be stolen.A.You are suggested to deposit your valuables in the safety deposit box in this hotel.B.I advise you to deposit your valuables in the safety box of the bank.C.I advise you to open an account to deposit cash in the bank.D.You may follow my suggestion to put your valuables in a safe box in your hom
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单选题A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when（）.Awearing a life jacketBwearing a safety harness secured to the stageCwearing both a life jacket and a safety harness secured to the stageDthe vessel is not making way
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