DLE患者正常皮肤处狼疮带试验阳性率为（）
A.0%
B.10%～30%
C.30%～50%
D.50%～70%
参考答案：A
根据句意和所给首字母，在句子空白处填入适当的单词。
小题1:China and India are both A__________ countries ,while Britain is a European country.
小题2:What’s the best gift Joe has ever r_________ .
小题3:Victor has been skating s_________ he was five.
小题4:Most of the children are afraid of m_________ .
小题5:Did your brother f_________ his math test? He looks so sad.
统一权限中有哪些角色（）
A、身份管理员
B、应用注册管理员
C、开发人员
D、超级管理员
