下列检测艾滋病的方法中哪一种不属于HIV抗体检测法()。
A.明胶颗粒凝集法
B.ELISA法
C.HIVRNA检测
D.快速法
E.免疫印迹法
参考答案:C
The professor________at 8 o’clock,but he has not shown up yet,which worries all of us.[ ]
A.was supposed to arrive
B.must have arrived
C.might have arrived
D.was supposed arriving
由于他人在场,个体工作绩效降低的现象是()。
A.社会促进
B.社会抑制
C.社会懈怠
D.社会逍遥