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问题
名词解释
强化
答案
参考答案:
伴随着条件刺激的呈现给予无条件刺激,让目标行为出现的频率得以增加。
选择题
At the end of the meeting, it was announced that an agreement
.
A. has been reached
B. had been reached
C. has reached
D. had reached
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问答题 简答题
初步发展阶段的起止时间和基本特征。
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