贝尔麻痹可能的病因有（）
A.风湿性面神经炎
B.血管压迫
C.冷风吹袭面部
D.半月神经节受压
E.病毒感染
参考答案：B, C, D, E
—Mr. Smith, would you please speak a little more ________?
—Sorry! I thought you could follow me.
A．clearly
B．politely
C．seriously
D．slowly
心理防御机制
