胁痛易怒、抽搐惊悸等症当选用()
A.归心经的药物
B.归肝经的药物
C.归肾经的药物
D.归胃经的药物
参考答案：B
---The window must have taken you quite a lot of time that day.
--- You are right. They ________ for weeks.
A．haven’t been cleaned
B．hadn’t been cleaned
C．didn’t’ clean
D．haven’t cleaned
无线网络不可以和有线网络相连接。
