所有煤矿企业必须有矿山救护队为其服务。矿山救护队员是井下一线特种作业人员

输卵管卵巢脓肿约半数是在_______初次发病后形成，另一部分是在_______屡次急性发作或重复感染后形成，脓肿多位于_______或_______及_______处，可破入_______、_______或_______。

清营汤的组成药物不包括

A．水牛角、生地黄
B．银花、连翘
C．黄芩、黄柏
D．元参、丹参
E．麦冬、竹叶心

The Border Gateway Protocol (BGP) is an interautonomous system. （1）protocol. The primary function of a BGP speaking system is to exchange network（2）information with other BGP system. This network reachability information includes information on the list of Autonomous System (ASs) that teachability information traverses. BGP-4 provides a new set of mechanisms for supporting （3） interdomain routing. These mechanisms include support for advertising an IP （4）and eliminate the concept of network class within BGP. BGP-4 also introduces mechanisms that allow aggregation of routes, including（5）of AS paths. These changes provide support for the proposed supernettting scheme.

3（）

A.confirmless 

B.connectionless 

C.answerless 

D.classless

请用简洁的语言描述你生活的社区的邻里关系，并说出你心目中和谐友好的邻里关系是什么样的？怎样才能营造和谐友好的邻里关系？

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若轴瓦前后的顶部间隙不一样应如何检查？