将抗原或抗体固相化的过程称为
A．吸附B．包被C．封闭D．标记E．交联
参考答案：B
There are many page replacement algorithms in page management. The most frequently used algorithm is( ).
A．FIFO
B．LRU
C．OPT
D．PPT
.胆石症患者出现胆绞痛时禁用
A．吗啡
B．亚硝酸异戊酯
C．阿托品
D．硝酸甘油
E．33%硫酸镁溶液
