题目内容

指出下列正确的

A. 桔梗开提肺气，性属沉降
B. 病位常表现为向上、向下、向里、向外
C. 白前降气祛痰，性属升浮
D. 病势趋向常表现为在上、在下、在内、在外
E. 药物的临床效用是确定升降浮沉的主要依据

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下列哪味药一般不用治热淋涩痛

A. 白薇
B. 鱼腥草
C. 芦根
D. 白花蛇舌草
E. 鸦胆子

Networks can be interconnected by different devices. In the physical layer, networks can be connected by 20 or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data link layer. They can accept 21 ,examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks. If two networks have 22 network layer, the router may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message 23 . As an example, gateways between Internet e-mail and X.400 e-mail must 24 the e-mail message and change various header fields.

A. analyze
B. parse
C. delete
D. create

功能凉血止血，解毒敛疮的药物是

A. 白茅根
B. 大蓟
C. 小蓟
D. 槐花
E. 地榆

麻黄的归经

A. 肺、肝
B. 肺、心包
C. 肺、脾
D. 肺、小肠
E. 肺、膀胱经