A legacy network that is prone to errors may have issues with services that use UDP. Which of the following services could have problems in this case, due to the fact that UDP is used?（） ["DNS","Telnet","SMTP","SNMP","HTTP","TFTP"]
自疏现象
芦溪县重点推进“党建+网络微政”“党建+纪律挺在前面”“党建+电瓷产业集群建设”“党建+生态建设”“党建+现代旅游”（）等行动。 ["“党建+互联网新兴产业”","“党建+精准扶贫”","“党建+平安芦溪建设”","“党建+便民服务&rdquo"]
在道德规范体系中，居于主导地位并成为区别不同道德类型显著标志的最根本的行为准则的是（）。
柳宗元，唐代文学家、思想家，“（）”之一，与韩愈并称“（）”，著有《柳河东集》
溺死
