放松训练不包括（）
A.打篮球
B.生物反馈
C.瑜伽
D.医疗气功
E.散步
参考答案：A
-I joined the League _____ May 4th, 20ll. What about you
-I have been a League member ______ three years ago.
A．in; for
B．on; for .
C．in; since
D．on; since
巡检运行中的电动机应注意电流、电压、温度、声响、（）、轴承工作情况等方面。
