在船舶机动状态下的安全职责中，下列说法错误的是（）。
A．在离靠码头等操作前，事先做好发电机组的并联运行工作，保证有足够的电力供应船舶在各种机动状态下的要求
B．检查舵机控制系统的运行情况，保证舵机的可靠工作
C．对于自动化程度非常高的船舶，管理人员不必值班
D．保证发电机组与主配电板的正常工作，防止意外事故发生，一旦发生跳电情况，立即采取应急措施恢复对航行设备的供电
参考答案：C
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| A Fool's Day falls on 1st of April. People 1 forget the significance (意义) of the day. In March 1980, I was 2 at Durham University with seven other Chinese students. I had 3 to go to another university after graduation and had 4 application (申请) forms to several 5 . Every morning I arrived at the porter's office (传达室) and waited my fate. But no 6 came. On April 1st, as I was eating my 7 , Huang came in, with a toothbrush (牙刷) 8 in his hand. 9 fearing that he might forget the important news, he passed me the 10 . "Morning, Wu," he said, "I saw Mr. G this morning. He told me that a letter had arrived in his office for you from Manchester University, and asked you to go and get it 11 possible." I jumped with 12 . I even didn't 13 my breakfast and rushed to Mr. G's office but he wasn't 14 . I then went to the secretary's room and 15 everything to her. She opened Mr. G's room. I looked at everything. There didn't seem to be a letter for me. "If he had asked you to pick it up from here," said the secretary, " he would have put it in 16 or simply left it to me." Greatly 17 , I walked out of the room and 18 the secretary lock it. 19 the secretary's eyes 20 . "Sorry," she said. "It's April Fool's Day!" | ||||
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