民用建筑内火灾应急广播扬声器设置在走道和大厅等公共场所时,每个扬声器的额定功率不应小于3W,其数量应能保证从一个防火分区内的任何部位到最近一个扬声器的距离不大于()m。
A、15B
暂无解析
WilliamFaulknersetmostofhisworksintheAmerican(),withhisemphasisonthe()subjectsandconsciousness.
英语翻译:comeintoforce
Amongthefollowingwords,“______”containsanegativeprefix.
WilliamFaulkneroncesaidthat()isastoryof“lostinnocence,”whichprovesitselftobeanintensificationofthethemeofimprisonmentinthepast.
Neverbefore_______sorapidlydevelopingasitistoday.