建筑面积8000m2的火车站候车室顶棚部位装修材料燃烧性能等级应不低于()。
A、A
B、B1
C、B2
D、B3
参考答案:B
The nurse is caring for a client with otosclerosis scheduled to undergo a stapedectomy. The client asks the nurse when her hearing will improve. Which response by the nurse is most appropriate ?()
A.Your hearing may not improve but you'll no longer be bothered by tinnitus.
B.Your hearing may be dramatically improved right after surgery.
C.You may notice improved hearing within 1 to 2 weeks.
D.Your hearing may improve 3 to 6 weeks after surgery.
在下列哪种情况下,可以排除骨折的可能性()
A.无骨擦音及畸形
B.无骨擦音及反常活动
C.无畸形及反常活动
D.无骨擦音,畸形及反常活动
E.以上均不是