结核杆菌试验的主要意义是
A. 检测机体有无抗结核免疫力
B. 检测是否过敏体质
C. 作结核病诊断
D. 了解是否接种过卡介苗
E. 检测机体体液免疫功能
关于结核杆菌的抵抗力正确的是
A. 耐热
B. 对紫外线敏感
C. 对酸、碱敏感
D. 对染料敏感
E. 不易产生耐药性
It is the ablility to do the job_____matters, not where you come from or what you are.
A. one
B. that
C. what
D. it
Was it at five o'clock ____the fire broke out?
A. when
B. that
C. which
D. in which