( )是一种无声的语言，具有强化有声语言、沟通情感的功能。
A．微笑
B．手势
C．形体
D．表情
参考答案：A
肺胀发作的常见诱因有:
A．寒邪
B．劳累
C．暴怒
D．炎热
E．酗酒
He accidentally ________ he had quarreled with his wife and that he hadn't been home for a couple of weeks.[ ]
A. let out
B. took care
C. made sure
D. made out
