为保障检测工作过程中人身和仪器设备安全,检测人员应如何操作?
参考答案:检测人员应严格遵守相应的检测操作规程的规定。
It was the other day that he happened to____________in the supermarket. [ ]
A. make her acquaintance
B. make her acquaintances
C. make acquaintance
D. make acquaintances
试管凝集试验常用于()
A.抗原定性
B.抗体定性
C.抗原定量
D.抗体半定量
E.抗体定量