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单选题
请注意，飞机的改装或修理工作必须由持照人员完成。
A
Please designate licensed personnel to do modification or maintenance to airplane.
B
Alterations or repairs to airplane shall be accomplished and noted by licensed personnel.
C
Please note that alterations or repairs to airplane must be accomplished by licensed personnel.
答案解析
正确答案：C
相关知识点：
飞机改装修理，须持照人员做
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