激光亮度高，能量集中，可以在微米级的斑点内产生（）度的高温。A、几百～几千 B、几千

不能采用颞下颌关节造影术的是

A．关节骨质改变

B．关节间隙改变

C．关节局部皮肤感染

D．关节弹响

E．关节内占位性病变

Four Chinese models were _____ the 14 people awarded prizes on Friday at the World Supermodel Competition. [ ]

A. among

B. between

C. along

D. beside

—It's a wonderful way of getting to see Italy, and it also________cost very much.

— Terrific. [ ]

A. needn't  

B. mustn't  

C. couldn't 

D. shouldn't

现代护理观念扩展内容不确切的是()

A．由疾病护理向预防、康复扩展

B．由躯体护理向心理、精神护理扩展

C．由医院向家庭、社区扩展

D．由患者的护理向健康者保健扩展

E．由简单的护理手段向高技术护理方法扩展

治疗亚急性感染性心内膜炎，首选的抗生素是

A．庆大霉素
B．青霉素
C．红霉素
D．链霉素
E．阿米卡星