胍基的化学修饰常用的修饰剂是（） ["丁二酮","水溶性碳化二亚胺","2，4－二硝基氟苯","DTT","碘乙酰胺"]
You need to recommend a solution for managing the public computers in the branch offices. What should you recommend？（） ["Create a GPO that is linked to the domain and configure security filtering for the GPO.","Create a GPO that is linked to the Public OU and configure security filtering for the GPO.","Create a GPO that is linked to the Public OU and enable loopback processing in the GPO.","Create a GPO that is linked to the domain and enable block inheritance on the Public OU."]
混凝土外加剂密度试验使用的试验方法为比重瓶法
混凝土外加剂含水率试验称取试样约3.0000克置于称量瓶中
特种设备作业人员违反特种设备的操作规程和有关的安全规章制度操作，或者在作业过程中发现事故隐患或者其他不安全因素，未立即向现场安全管理人员和单位有关负责人报告的，由特种设备使用单位给予批评教育、处分；触犯刑律的，依照刑法关于（）罪或者其他罪的规定，依法追究刑事责任。 ["重大责任事故","重大违法行为","严重事故隐患","渎职"]
简述美国有计划的废止制度的核心内容。
