肘关节后脱位的并发症哪项不正确
A．正中神经损伤B．关节强直C．尺神经损伤D．骨化性肌炎E．Volkmann前臂缺血性挛缩
参考答案：B
含有草酸钙簇晶的药材是（）
A.甘草
B.石菖蒲
C.人参
D.龙胆
E.黄芪
People try to avoid public transportation delays by using their own cars, and this _________ creates further problems.
A．in turn
B．in case
C．in result
D．in short
