总的ANA筛选试验常用（） A.ELISA B.免疫双扩散 C.对流免疫电泳 D.间

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问题单项选择题

总的ANA筛选试验常用（）

A.ELISA

B.免疫双扩散

C.对流免疫电泳

D.间接免疫荧光法（IIF.

E.免疫印迹技术

答案

参考答案：D

选择题

George couldn’t remember when he first met Mr. Anderson, but he was sure it was ___ Sunday because everybody was at _____ church.

A．/; the

B．the; /

C．a; /

D．/; a

单项选择题

A．Because he registered the".ch" for China and sent the first e-mail in China.

B．Because he set up China’s first online comic dialogue website.

C．Because be provided integrated online services.

D．Because he was regarded as the father of Internet in China.