DLE患者皮损处狼疮带试验阳性率为()A．30%～50% B．50%～70% C．7_爱下问搜题

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问题单项选择题

DLE患者皮损处狼疮带试验阳性率为()

A．30%～50%

B．50%～70%

C．70%～90%

D．90%以上

答案

参考答案：C

选择题

—When did you buy the computer?

—I have ______ this computer for 5 years, but it still works well.[ ]

A. bought

B. have

C. had

单项选择题

应行哪项生化检查最有诊断意义

A．AFP

B．四环素荧光试验

C．尿唾液酸

D．血癌胚抗原

E．细胞学检查