石材幕墙安装时，板材上沿水平度的检验方法是( )。
A．用1m水平尺和钢直尺检查B．用水平仪检查C．用垂直检测尺检查D．用钢直尺检查
参考答案：A
I really felt at his words . His words are really to me .
A．surprised ; surprising ; surprise
B．surprising ; surprised ; a surprise
C．surprised ; surprised ; surprising
D．surprised ; surprising ; a surprise
女性，26岁，右上后牙龈肿痛1周，口服消炎药治疗无效。检查：右上6牙体颊侧牙周脓肿形成，叩痛（+），冷测反应同对照牙，牙周袋8mm，应急处理应是（）
A.局部麻醉下开髓
B.龈上洁治
C.龈下刮治
D.脓肿切开引流
E.全身药物治疗
