.

______is mentioned above, the number of the students in senior schools is increasing.

A．Which

B．As

C．That

D．It

拔牙时晕厥的处理下列哪项是不正确的

A．立即停止手术保持呼吸道畅通

B．嗅闻刺激性气体

C．吸氧

D．输液纠正酸碱平衡紊乱

E．必要时静脉输注高渗葡萄糖