题目内容
地地战略导弹是从陆地发射，主要打击陆地战略目标，射程在1000公里以上的导弹。
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杆件的基本变形形式有：
The ”Puzzle Box ” experiment of Thorndike demonstrates that learning is ( ).
Thorndike believed that learning should compose of a principle of motivation that is the learning law of ( ).
In the case “the little boy is afraid of the doctor”, which is the unconditioned stimulus(US) ( ).
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