局域网最主要的拓扑结构有()。
A.星型
B.总线型
C.环型
D.星型/总线型结构
参考答案:D
—The trip must have been terrible, wasn't it?
—No.________, I enjoyed every minute.[ ]
A. On the other hand
B. At one time
C. At the same time
D. On the contrary
糖尿病患者并见视物昏蒙,耳鸣耳聋,舌红少苔,脉细数。治疗应首选()
A.六味地黄汤
B.知柏地黄丸
C.明目地黄汤
D.七味都气丸
E.金匮肾气丸