由我国首倡，现已被国际社会普遍接受的处理国家关系的重要原则是（）。 互相尊重主权和领土完整。 平等互利。 和平共处。 互不干涉内政。 互不侵犯。
（）组句子词语音节配合失当。 他那样做，既得名，又得利益，真是名得双收。。 旧社会把人变成鬼，新社会把鬼变成人。。 这样死啃书本，结果是学生高分低能。。 这排排串串的珍珠，使天上银失色，叫满湖碧水生辉。。
杆塔两侧档距的平均值称为该杆塔的（）档距。 水平。 垂直。 临界。 极大。
Which three practices are important to the implementation of a DiffServ QoS architecture？（） Because services are allocated throughout the network before the transmission of data begins， traffic classes can be guaranteed QoS services.。 Traffic classes are marked with Layer 2 markings to allow for more granularity in identifying traffic classes.。 Traffic classes are marked with Layer 3 markings to allow them to traverse different network types without loss of QoS information.。 Traffic classes allow networks to provide proper QoS treatment of packets without applications having to request services.。 Based upon the network capabilities， QoS markings are placed on packets as needed throughout the network to allow for proper QoS treatment of packets.。 QoS markings are placed on packets as close to the network edge as possible to allow distribution and core devices to determine QoS actions as quickly as possible.。
合作创新是指企业间、科研机构、高等院校之间的联合创新行为。合作各方有明确的合作目标、合作期限、合作规则，在技术创新的全过程或某些中间环节共同投入、共同参与、共享成果、共担风险。
常见的校园学习环境包括（）
