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【多选题】
公民应履行的基本法律义务包括 ( )A.
遵守宪法和法律
B.
依法服兵役
C.
维护国家统一和民族团结
D.
依法纳税
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【简答题】The article is a piece of narration. what is the narration line of the story? and what is the narration point of view?
【单选题】Why we call software 'soft'?
A.
We call it 'soft' because we can change it and reshape it easily.
B.
We call it 'soft' because it is covered inside.
C.
We call it 'soft' because it is like our brain.
D.
We call it 'soft' because it is invisible.
【单选题】设关系模式R上函数依赖集F=A-＞B，B-＞C，C-＞A，则F的最小函数依赖集F1= ______。
A.
{A-＞B，B-＞C }
B.
{B-＞C，C-＞A}
C.
{ A-＞B，B-＞C，C-＞A}
D.
{A-＞B，C-＞A}
【单选题】What is restricted narration?
A.
It is the narration that withholds all of the story information from the audience.
B.
It is the narration that allows the audience to know more than any-or all-the characters
C.
It is the narration that creates a sense of objectivity for audience.
D.
It is the narration that withholds much of the story information from the audience.
【简答题】Office2016 剪贴板中最多可以保存 ( ) 个对象 ,能方便的从中选择需要的内容进行粘贴操作 。
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