头目眩晕，腰膝酸冷疼痛、畏寒肢冷、脉沉细无力的证候是（）。
A.肾阳虚证
B.肾虚水泛证
C.肾阴虚证
D.肾精不足证
E.肾气不固证
参考答案：A
—Sorry, I’m late. Has the meeting begun?
—It doesn’t matter. The meeting for several minutes.
A．has just begun
B．has just been over
C．has just been on
D．has just ended
导线、电缆多根并列或穿管敷设时，以及在空气中或在土壤中敷设时，其允许载流量需要用相应的校正系数进行校正。
