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问题 单项选择题

能帮助了解病邪的轻重及病情的进退的是( )

A．舌苔的厚薄
B．舌苔的润燥
C．舌苔的腐腻
D．舌苔的有无与消长变化
E．舌苔的有根与无根

答案

参考答案：A

解析：[知识点] 望舌苔——舌质

填空题

北京菜中的沙锅羊头应跟用白胡椒粉、香菜、（）味碟。
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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．

A．distribution
B．guarantee
C．scheme
D．reservation
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