题目内容

如果a（－1 to 2），则函数UBound（a）的返回值是（）

A. －1和－2
B. －1
C. －2
D. 2

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When accepting vehicles for shipment，the Master should ensure that（）.

A. all decks intended for the stowage of vehicles are，in so far as is practicable，free from oil and grease
B. the ship has on board an adequate supply of cargo securing gear，which is maintained in sound working condition
C. vehicles are in apparent good order and condition suitable for sea transport，particularly with regards to securing
D. All of the above

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