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。
A. 对
B. 错
杆件的基本变形形式有:
A. 拉压变形
B. 扭转变形
C. 剪切变形
D. 弯曲变形
The ”Puzzle Box ” experiment of Thorndike demonstrates that learning is ( ).
A. a process to establish the relation of S-R.
B. a process of cognition assimilation.
C. a process to produce insight.
D. a process information.
Thorndike believed that learning should compose of a principle of motivation that is the learning law of ( ).
A. law of effect
B. law of exercise
C. law of readiness
D. law of contiguity (接近律)