对丹毒病人治疗护理措施应包括
A．抬高患肢
B．切开引流
C．呼吸道隔离
D．应用抗生素
E．50%硫酸镁湿敷
参考答案：A,D,E
路由器工作在OSI模型的( )。
A．网络层
B．传输层
C．数据链路层
D．物理层
We have drawn on you for this amount at sight through the Bank of China who has been instructed to produce the document_______ payment of the draft．
A. with
B. to
C. against
D. on
