下列不属于颞颌关节双侧前脱位症状的是（）
A.口张呈半开合状
B.流涎不止
C.口角歪斜
D.下颌骨偏斜
E.吞咽困难
参考答案：C, D
Jack was halfway back to the village where his mother lived _____ Mary caught up with him. [ ]
A. when
B. while
C. until
D. though
神经、肌肉、腺体受阈刺激产生反应的共同表现是
A．收缩B．分泌C．局部电位D．阈电位E．动作电位
