患者女性，48岁，因“反复泡沫尿伴乏力、食欲减退2年”来诊。查体：慢性病病容，心率8

起自腕横韧带和舟骨结节，止于拇指第一节指骨底外侧缘及外侧籽骨的肌是（）

A.拇收肌

B.蚓状肌

C.拇短展肌

D.拇短屈肌

E.拇指对掌肌

凝血酶原时间延长，多见于下列哪种病人（）

A.脑出血

B.胆囊结石

C.梗阻性黄疸

D.输尿管结石

E.胃癌

真皮组织病变可有（）

A.炎症浸润

B.肉芽肿形成

C.组织坏

D.纤维蛋白样变性

E.淀粉样变性

Networks can be interconnected by different devices in the physical layer networks can be connected by (71) 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 (72) ，examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer，we have routers that can connect two networks，If two networks have (73) network layer，the router may be able to translate betweenthe 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 (74) ．As an example，gateways between Internet e-mail and X，400 e-mail must (75) thee-mail message and change various header fields．

A．reapers

B．relays

C．packages

D．modems

驾驶员运送金属贵重物品，应特别注意安全，并采取（）等有效措施，谨防货损货差，确保货物安全运达目的地。

A.防腐

B.防盗

C.防烂

D.防抢