水肿治法主要有（）
A.发汗
B.利水
C.攻逐
D.健脾
E.温肾
参考答案：A, B, C, D, E
Many people are taking part in various outdoor activities ______themselves.
A．refreshed
B．to refresh
C．being refreshed
D．having been refreshed
当备自投动作于永久故障的设备上，应（）跳闸并只动作一次。
A.加速
B.延时
C.不动作
D.以上均不正确
