搜题请搜索小程序“爱下问搜题”
问题 单项选择题

系统性血管炎的血清标志性抗体是()

A．ANA

B．ENA

C．APLA

D．ANCA

E．ASMA

答案

参考答案：D

单项选择题 B型题

尿渗透克分子浓度（）

A.Posm

B.mOsm/kg

C.mOsm/L

D.COP

E.ECF
查看答案
改错题

下列句中各有一处错误，指出并改正。

1. He lives nearest to the school,so he has the short journey.

                                                  

2. Betty is friendly with us.

                                                  

3. He is born in Shanghai in 1998.

                                                  

4. Do you see the chair have three legs?

                                                  
查看答案