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【单选题】
在Excel2010中,下列关于单元格地址引用不正确的是()
A.
C6$6
B.
$C66
C.
C$66
D.
$C$66
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【单选题】在数据库中,下列关于数据库叙述错误的是
A.
数据表时实际存放数据的地方
B.
每张数据表中应该包含重复的数据
C.
每张表只包含一个主题信息
D.
设计数据表时,最重要的是规划好字段的类型
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【简答题】Most people have no idea of the hard work and worry that goes into the collecting of those fascinating birds and animals that they pay to see in the zoo. One of the questions that is always asked of m...
【单选题】下列关于数据库表的叙述中,错误的是( )
A.
一个数据库表只能属于一个数据库
B.
一个数据库表可以属于多个数据库
C.
数据库表可以移出数据库成为自由表
D.
自由表可以添加到数据库中成为数据库表
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A.
一个数据库表只能属于一个数据库
B.
一个数据库表可能属于多个数据库
C.
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D.
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A.
自由表可以添加到数据库中称为数据库表
B.
一个数据库表只属于一个数据库
C.
数据库表可以移出数据库称为自由表
D.
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【单选题】The ______ occurs in the first eight weeks of pregnancy, though no one understands cause of the disease.
A.
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B.
anxiety
C.
homesickness
D.
defect
【单选题】The last sentence in the first paragraph, 'Mayoral knew no one who had been close to a healthy gray whale and lived' means ______.
A.
nobody had ever approached a living whale
B.
among his friends no one saw any whale that was still alive
C.
no one he knew had ever touched a living whale
D.
whales would eat up anyone they catch without exception
【单选题】下列关于数据库中表的叙述,错误的是( )。
A.
每个表绝对不可以包含多个主题的信息
B.
每个表应该只包含关于一个主题的信息
C.
表中可以包含重复信息
D.
信息可以在多个表之间复制
【简答题】Most people have no idea of the hard work and worry that go into the collecting of those fascinating birds and animals that they pay to see in the zoo. One of the questions that is always asked of me ...
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