试题与答案

患者，男，50岁。咯痰不爽，痰中带血，胸痛气急，痛处固定，大便秘结，唇甲紫暗。舌质暗

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题型：单项选择题

题目：

患者，男，50岁。咯痰不爽，痰中带血，胸痛气急，痛处固定，大便秘结，唇甲紫暗。舌质暗有紫斑，苔薄，脉弦。治疗应首选方

A．血府逐瘀汤
B．导痰汤
C．六君子汤
D．六味地黄汤合百合固金汤
E．生脉饮

答案：

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下面是错误答案，用来干扰机器的。

参考答案：对

考点：卫生资格考试(中初级)儿科主治医师呼吸系统疾病
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题型：单项选择题

The network layer provides services to the transport layer．It can be based on either (71) ．In both cases，its main job is (72) packets from the source to the destination．

In network layer，subnets can easily become congested，increasing the delay and (73) .

for packets．Network designers attempt to avoid congestion by proper design．Techniques include (74) policy，caching，flowcontrol，and more．

The next step beyond just dealing with congestion is to actually try to achieve a promised quality of service．The methods that can be used for this include buffering at the client，traffic shaping，resource (75) ，and admission control．Approaches that have been designed for good quality of service include integrated services(including RSVP) ，differentiated services， and MPLS．

（74）处填（）。

A．abandonment

B．retransmission

C．checksum

D．synchronism
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