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【单选题】
数据库管理系统允许用户把一个或多个数据库操作组成( ),它是一组按顺序执行的操作单位。A.
命令
B.
事务
C.
文件
D.
程序
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【单选题】The ship’s _______ broke down, and the pumps had to be operated by hand without the help of electricity.
A.
generator
B.
generate
【简答题】可控性原因表明个体通过主观努力可以改变行为及其后果,对可控性因素的归因,使人们更可能对行为做出()的预测. (A)准确 (B)变化 (C)稳定 (D) 系统
【多选题】Para.1 Para.3 Para.4 Para.5 Para.7 Para.8 Para.10 Para.12 Para.13
A.
Infecting a ship’s computer system is not easy.
B.
Different strategies to deal with pirates.
C.
We cannot be sure if an internet attack will make a ship sink. Hijackings made by Somali pirates is a top risk for shipping. Many underwriters have made coverages for those shipping to the Arctic. F. Experts is uncertain if an autonomous ship is safer than a manned ship. G. Neil Roberts believes a cyber attack can cause a ship to sink. I. Lloyd’s experts explored several top risks in shipping today. J. The use of autonomous technologies in shipping industry is a tendency. K. Insurance companies need to evaluate the feasibility of covering the Arctic ships L. Chances that attack a ship’s navigation system still exists.
【单选题】The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.
A.
a continuous ringing for 10 seconds
B.
one short ring followed by one long ring
C.
two long rings of at least 20 seconds
D.
a continuous ringing until the fire is extinguished
【简答题】Management of human resources is a key to success in any (operate) ________________, particularly a family operation. 10.Even at full speed the ship’s engines cause very little (vibrate) ____________...
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