行针的辅助手法中,弹法的作用为( )
A.行气、催气B.加强针感的传导C.扶助正气D.祛除邪气
参考答案:A
用直接免疫荧光法检测T细胞上CD4抗原,荧光素应标记在()
A.CD4抗原上
B.CD4单克隆抗体上
C.固相载体上
D.抗人Ig抗体上
E.某种动物红细胞上
Is this book _____ popular than that one this year?[ ]
A. more much
B. more more
C. much more
D. many more