功效活血调经，利水消肿，清热解毒的药物是( )
A．五灵脂
B．益母草
C．郁金
D．没药
E．艾叶
参考答案：B
We're trying to ring you back, Bryan, but we think we_________ your number
incorrectly.
A. looked up
B. took down
C. worked out
D. brought about
采用联合接地体时，接地电阻不应大于1Ω；单独设置接地体时，接地电阻不应大于4Ω。（）
