This book is _______Spring Festival.[ ]
A. in
B. about
C. at
答案：B
_______ from J.K. Rowling’s book series of the same title, the “Harry Potter” movies are universally acknowledged as classics.
A．Adapting
B．Having adapted
C．Adapted
D．To be adapted
厌恶疗法的原理是（）。
A.操作性条件反射
B.观察学习
C.经典条件反射
D.期待强化
