____can be regarded as a vessel restricted in her ability to maneuver. A. Any aircraft designed to maneuver on the water B. A vessel engaged in dredging, surveying or underwater operations C. A vessel under sail provided that propelling machinery is not used D. A small vessel sailing at night

单选题

____can be regarded as a vessel restricted in her ability to maneuver.A. Any aircraft designed to maneuver on the waterB. A vessel engaged in dredging, surveying or underwater operationsC. A vessel under sail provided that propelling machinery is not usedD. A small vessel sailing at night

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单选题

The appliance shall be so constructed that the end from which the rocket is ____can be positively identified by day or night. A. rejected B. objected C. ejected D. injected

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单选题

____can you expect to get a rise.

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单选题

Friends might not be always trust-worthy, but dogs are; they have long been regarded as the most _______ company of human beings.

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