—_____ is he?
—_____ my brother. [ ]
A. What, He's
B. Who, His
C. Who, He's
答案:C
风湿热的皮肤表现是( )
A.出血点
B.瘀斑
C.蝶形红斑
D.环形红斑
E.紫癜
简述CRP的临床意义。