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【单选题】
Every vessel receiving a distress call is obliged to go to aid the vessel in distress.A.
Every one receiving a distress call is obliged to go to aid the vessel in distress.
B.
Every vessel receiving a distress call needn 't go to aid the vessel in distress.
C.
Every vessel is obliged to go to aid the vessel in distress when she receives a distress call.
D.
Every vessel shouldn ' t go to aid the vessel in distress.
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【简答题】在建设工程项目的风险类型中，由损失控制和安全管理人员的能力方面带来的风险属于（ ）。
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