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问题 单项选择题

一种学习对另一种学习起到积极的促进作用的迁移称为( )

A．正迁移

B．负迁移

C．横向迁移

D．纵向迁移

答案

参考答案：A

单项选择题

.市场经济的基本特点是().

A．资本主义的

B．社会主义的

C．资源配置的一种手段

D．资源配置的唯一手段
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单项选择题

Communication protocols are (66) connection-oriented or connectionless, (67) whether the sender of a message needs to contact and maintain a dialog with the recipient or (68) send a message without any, prior connect and with the hope that the recipient receives everything. (69) .These methods (70) the two ways that communication is implemented on networks.

A．fulled

B．flooded

C．depending on

D．defined by
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