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一艘货船，机舱内有一油管布置在主配电箱上方。航行途中，油管泄漏，油滴到主配电板上，造成供电故障。问按法规，可以采取以下哪些措施，避免这种情况再次发生。A.
油管改路，不从主配电箱上方及后面通过。
B.
油管改路，不从主配电箱上方及前面通过。
C.
油管加厚。
D.
主配电箱上安装足够大的油密的防护板。
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【简答题】A．Because of his age. B．Because of his major. C．Because of his family. D．Because he liked the job.
【简答题】A．Because she is an English major. B．Because all the companies need people with other skills. C．Because she speaks English well and good at computing as well. D．Because her brother recommended her.
【单选题】Conversation Two 6. A Because he has a hard time choosing courses. B. Because he has difficulty choosing his major. C. Because he doesn't have time to declare a major D. Because he wants to extend the...
A.
A Because he has a hard time choosing courses.
B.
Because he has difficulty choosing his major.
C.
Because he doesn't have time to declare a major
D.
Because he wants to extend the deadline
【简答题】礼仪的特征主要表现为具有 ____________ 、 ____________ 、 ____________ 和 ____________。
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