患者，女性，40岁，行甲状腺大部切除手术后出现失声、呼吸困难，是因为手术损伤了（） ["单侧喉返神经","双侧喉返神经","喉上神经内支","喉上神经外支","甲状旁腺"]
下述哪种是β1受体的主要效应（） ["舒张支气管平滑肌","加强心肌收缩","骨骼肌收缩","胃肠平滑肌收缩","腺体分泌"]
Which of the following statement is incorrect regarding RMAN？（） ["It detects corrupt blocks.","It performs only offline database backups.","It omits empty blocks during backups.","It performs tablespace point-in-time recovery （TSPITR）."]
当前教师队伍中存在着“以教谋私”和"有偿家教"的现象，这实际上违背了（）。
What happens if all CTI ports for the configured CTI Port Group are busy when a new call arrives?（） ["Caller will receive network busy treatment. ","Caller will receive ringing treatment. ","CallManager will forward the call to the directory number configured for forward-on busy for this CTI Route Point in CallManager. ","An exception is raised, but the call is accepted and processed. ","CallManager will forward the caller to the directory number configured in IPCC Express for overflow"]
瓦其保护的信号动作时，（）人员应立即处理，（）音响信号，对变压器进行（）检查。
