《高层民用建筑设计防火规范》规定,高层建筑电缆井、管道井与房间、走道等相连通的孔洞,其空隙应采用()材料填塞密实
A.难燃烧
B.不燃烧
C.易燃烧
D.阻燃处理
参考答案:B
She's got the job because she has the advantage ________ others of knowing many languages.
A.over
B.above
C.against
D.beyond