下列哪个是精神分析常用的技术()
A．识别自动性思维
B．自由联想
C．逐级暴露
D．系统脱敏
E．应对技巧训练
参考答案：B
In communication, a smile is usually ________ strong sign of a friendly and ________ open attitude.[ ]
A. the; /
B. a; an
C. a; /
D. the; an
蚊香(非零售包装)( )
