火灾探测器布置时，当梁突出顶棚的高度超过（）mm时，被梁隔断的每个梁间区域至少应设置一只探测器
A、200C
暂无解析
Weneedfriendsto________,orwewillfeellonely.
Thesignattheentrancetothebuildingsays“Thepets_____________!”
Youlooknotabitolderthanyoudid5yearsago.Howdoyou__________soyoung?
Thereareoversix________students_____partintheentranceexaminDongchengonMaythesecond.
What_________inIraq?Haveyoureadthe_________news?
