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问题 单项选择题

建设用地规划许可证是经( )部门依法确认其建设项目位置和用地范围的法律凭证。

A．城市人民政府

B．城乡规划设计

C．城乡规划行政主管

D．城乡规划审核

答案

参考答案：C

单项选择题

A multicast router may receive thousands of multicast （） every day for different groups. If a router has no knowledge about the membership status of the （） , it must broadcast all of these packets. This creates a lot of traffic and consumes （）. A better solution is to keep a list of groups in the network for which there is at least one loyal member. （） helps the multicast router create and update this list. For each group, there is one router that has the duty of distributing the （） packets destined for that group. This means that if there are three multicast routers connected to a network, their lists of groupids are mutually exclusive. A host or multicast router can have membership in a group.

A multicast router may receive thousands of multicast （） every day for different groups.

A. packets

B. errors

C. reports

D. alarms
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单项选择题

男性，35岁。车祸伤致右髋关节疼痛、活动不能3天就诊，经检查诊断为右髋关节后脱位。在硬膜外麻醉下行手法复位。伤后1年开始出现右髋关节疼痛，行走跛行。最可能的诊断是（）

A.右髋关节创伤性关节炎

B.右股骨头缺血坏死

C.右坐骨神经炎

D.右髋关节僵硬

E.右髋关节感染
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