下列用免疫荧光法诊断SLE时,抗原片的敏感性最高的是()
A.小鼠肝细胞
B.Hela细胞
C.Hep-2细胞
D.绵羊红细胞
E.小鼠腹腔积液癌细胞
参考答案:C
The child asked his mother ________ go out to play tennis.
A.that he could
B.if he could
C.if could he
D.that could he
当企业侧重于了解薪酬市场的宏观信息时,适宜采用的薪酬调查方法是()。
A.企业之间相互调查
B.委托调查
C.采集社会公开的信息
D.问卷调查