正式会谈是双方交换意见，阐述各自立场，为求得某些具体问题的解决而进行的气氛随意的会谈。( )
参考答案：错
He _______ cards with his friends, but now he _______ a walk after supper.
A．used to play; is used to having
B．is used to playing, used to have
C．used to play; is used to have
D．is used to playing; is used to have
厌恶疗法的原理是（）
A.心理防御机制
B.交互抑制
C.人本主义
D.自我强化
E.条件反射
