尊重学生（）的地位，重视学生（）的教育，现在越来越成为中外教育人士的普遍共识和实践信条。
接触变质矿床：
下述概念哪项是错误的（） ["抗HEV阳性可诊断为戊型肝炎病毒感染","抗HBe是保护性抗体","抗HAV-IgM阳性可诊断为急性甲型肝炎","HCV-RNA阳性时可诊断为丙型肝炎病毒感染","HBsAg和HDAg均阳性可诊断为丁型肝炎和乙型肝炎病毒重叠感染"]
Which statement is true about the Call Admission Control （CAC） feature in VoIP networks？（） [" CAC is used to allocate enough bandwidth for the number of calls that are allowed on the VoIP network."," CAC is used to protect the quality of the voice calls by preventing call establishment if enough resources are not available on the network."," CAC provides queuing mechanisms for voice calls if the packets exceed the configured or budgeted rate."," In a VoIP network the CAC can be replaced with the LLQ QoS mechanism if it has been properly implemented."]
加气混凝土是含（）材料加水并加适量的发气剂和其他外加剂，经混合搅拌，经蒸压养护制成。 ["硅","锰","砂","水泥","尾矿粉"]
“近视”本义指看不清远处的东西，派生义指目光短浅，词义派生方式是（）。
