周期性瘫痪不应出现的症状是（）
A.松弛性瘫痪
B.神经传导速度正常
C.腱反射减弱
D.排尿、排粪障碍
E.肌肉疼痛
参考答案：D
I don't think the girl is right, _____? [ ]
A. do I
B. is she
C. isn't she
D. does she
食管第二个狭窄距中切牙约（）
A.15cm
B.25cm
C.30cm
D.40cm
E.45cm
