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【单选题】
（ 56 ）电子政务发展的三个阶段是A.
）面向对象、面向信息、面向知识
B.
）面向数据、面向信息、面向知识
C.
）面向数据、面向对象、面向知识
D.
）面向数据、面向信息、面向对象
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反馈参考答案：
举一反三
【单选题】What does the man suggest that the woman do?
A.
Go to another speech.
B.
Have lunch next door.
C.
Arrive for the seminar earlier.
D.
Wait until the speech is done.
【单选题】Why does the man have to go to work early this morning?
A.
He is working on a speech.
B.
He is leaving early to buy tickets for a ballgame.
C.
He is meeting with his boss.
D.
He is helping his cousin.
【简答题】某链条锅炉参数和热平衡试验测得的数据列于表3-8,试用正反热平衡方法求该锅炉的毛效率和各项热损失。
【单选题】What does the man want to do?
A.
Go travel．
B.
Go to the cinema．
C.
Have his hair cut．
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