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【多选题】
在数据管理技术发展的三个阶段中,数据库系统阶段的特点有( )。
A.
数据存储粒度大
B.
数据结构化
C.
用户接口不友好
D.
数据独立性好
E.
数据共享性好
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参考答案:
举一反三
【单选题】I have a _________ daughter, she is a middle school student. [     ]
A.
thirteen years old
B.
three-year-old
C.
twelve-year-old
D.
fourteen-year old
【单选题】生产上控制葡萄新梢生长的是( )
A.
吲哚乙酸
B.
萘乙酸
C.
多效唑
D.
乙烯利
【单选题】Dr. Hausman is a hair detective. Once a mountain lion killed a thirteen-year-old boy, The town offered a reward of one thousand dollars for anyone who would kill the lion. One day an excited hunter ca...
A.
what the weather was like the year Columbus landed in America
B.
what the weather was like last year in the mountain
C.
what the weather was like last month in your hometown
D.
what kind of tree the piece of wood came from
【简答题】Police in America were looking for a thir-year-old boy, Ben. He was a middle school student. He was lost last Friday night. Ben’s mother went to bed early that evening because she had a bad cold. ...
【简答题】下列各句均有错误,请将错误画出并将其正确的形式改写在横线上。 1. Jim is thir year old.                        __________ 2. The nineth month is September.            __________ 3. I am born in November.                       __...
【判断题】A thirteen-year-old girl is being treated after breathing in smoke
A.
正确
B.
错误
【简答题】Mary is a thir-year-old girl. She had a bad cold yesterday. She didn’t want to eat anything. Her mother took her to see the doctor. The doctor gave her a bottle of medicine and told her to take it...
【单选题】画圆需要的工具是以下哪个
A.
圆规
B.
丁字尺
C.
三角板
D.
曲线板
【简答题】微机型继电保护与自动装置堂上作业
【单选题】葡萄新梢的生长是()
A.
单轴生长
B.
合轴生长
C.
单轴生长与合轴生长交替进行
D.
以上都不是
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