钱某，男性，18岁。两天前感冒，现症见：无恶寒，咳嗽，痰黄稠，咳时汗出，口渴身热，恶风肢楚，舌苔薄黄，脉浮数。

如患者兼见咽燥口干，口渴，干咳无痰，舌红少津等热伤肺津症，在上述方剂的基础上可酌加 （）

A.黄连、石膏

B.石膏、生地

C.石膏、知母

D.黄连、黄芩

E.沙参、花粉

In low - speed network ,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high - speed networks, this approach often works poorly, because in the (71) between sending the notification and notification arriving at the source, thousands of additional (72) may arrive. In ATM network , a major tool for preventing (73) is (74) control. When a host wants a new virtual (75) ,it must describe the traffic to be offered and the service expected.

A．path

B．rout

C．circuit

D．way