选择填空。
What do you have ______ dessert? [ ]
A. for
B. of
C. with
D. in
答案：A
Come and meet ___________ family. [ ]
A. my
B. I
C. me
诊断早期RA较有意义的抗体（）
A.ANCA
B.高滴度抗RNP抗体
C.抗角蛋白抗体
D.抗Scl-70抗体
E.抗Sm抗体
