TPN（LCN）的网络拓扑结构是（）
A.树形
B.星形
C.混合型
D.总线型
参考答案：D
--- Who _______________ the question?
--- The girl who was standing beside me. We were ____________ in the question.
A．came up; interesting
B．came up with; interesting
C．came up; interested
D．came up with; interested
动脉粥样硬化导致器官病变最常见于（）
A.冠心病
B.高血压
C.高血脂
D.糖尿病
E.脑血栓
