正确答案: C

Human error

题目：Which of the listed conditions can be considered as the single greatest cause of accidents?

解析：C

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举一反三的答案和解析：

[单选题]航行值班时，副班水手应做下列哪些工作？

以上都是

[单选题]Will we connect the motor with the fresh water pump? No, the pump is ( )_

out of order

[单选题]1211灭火剂具有______。

低毒性