静脉注射能够迅速改善重症肌无力症状，有助于诊断重症肌无力（）.
A.依酚氯铵
B.阿托品
C.糖皮质激素
D.免疫抑制剂
E.溴吡斯的明
参考答案：A
某患者跌倒，手掌撑地，肩外展外旋，出现肩痛，肿胀，活动受限，体检Dugas征阳性。该病人肩部的畸形是
A．方肩
B．肩过度后伸屈曲
C．肩过度膨隆
D．屈曲外展，外旋
E．内收，内旋
The number of the students in our school _________ 600, but a number of students _________ living in the school.
A．is, like
B．is, likes
C．are , like
D．are, likes
