重点应检查患者的项目是

A．牙周袋及X线片

B．龋齿的深度

C．体温、血常规

D．患牙松动度、叩痛情况

E．患牙温度测验

The disinfection of various compartment in a vesel by filling them with a gaseous agents to destroy rats ect.means（）.

A.fire drills

B.washing and cleaning

C.fumigation

D.quarantine