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【单选题】
Ships sailing in()are able to receive and print out EGC messages.
A.
a fixed area or Navarea in any ocean region
B.
a Navarea or weather forecast area
C.
the designated area or given geographic position
D.
anywhere of the world
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【单选题】E-R 图用于描述数据库的
A.
概念模型
B.
数据模型
C.
存储模型
D.
逻辑模型
【简答题】If p is a positive integer, and p≠0, is an integer? (1) p is an even number (2) p is a multiple of 3
【单选题】E-R图用于描述数据库的:
A.
概念模型
B.
数据模型
C.
存储模型
D.
逻辑模型
【单选题】SWOT法又称为态势分析法,这四个字母分别代表优势Strength、劣势Weakness、(  )
A.
机会Opportunity、威胁Threat
B.
乐观Objective、信任Trust
C.
机会Opportunity、信任Trust
D.
乐观Objective、威胁Threat
【简答题】When a population is said to be aging,_______.
【单选题】Slowing Aging: Way to Fight Diseases in 21st Century A group of aging experts from the United States and the United Kingdom suggest that the best strategy for preventing and fighting a multitude of di...
A.
is the best strategy for fighting diseases.
B.
focuses on slowing aging processes.
C.
has gone out of date.
D.
needs to be improved.
【简答题】For this part, you are allowed 30 minutes to write a com position on the topic The Aging Problem In China. You should write at least 120 words following the outline given below in Chinese: 1.人口老龄化问题正困...
【单选题】E-R图用于描述数据库的( )
A.
数据模型
B.
概念模型
C.
存储模式
D.
外模式
【简答题】Even with an aging population, many Japanese are opposed to foreigners working in some industries.
【单选题】E—R 图用于描述数据库的( )
A.
概念模式
B.
数据模式
C.
存储模式
D.
外模式
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