对捻转补泻中补法的叙述，下列哪项是错误的( )
A．捻转角度小
B．用力轻
C．操作时间短
D．频率慢
E．拇指向后，食指向前(右转用力为主)
参考答案：E
26岁女性，3小时前摔伤左前臂，检查发现前臂肿胀、瘀斑、剧痛，并伴有短缩成角畸形，诊断首先考虑（）
A.前臂软组织挫伤
B.尺神经损伤
C.尺桡骨双骨折
D.桡骨骨折
E.尺骨骨折
The price of product Z decreased from $ 2.50 per unit to 2.00 per unit. Since the price decreased, demand has gone up from 3 million units to 4 million units. Calculate the price elasticity of demand and determine if the demand is elastic or inelastic.Price elasticity of demand Elasticity（）
A. -1.29 elastic
B. -2.00 inelastic
C. -1.29 inelastic
