口眼干燥综合征患者血清中()
A.抗HIV抗体阳性
B.抗SS-A抗体阳性
C.抗IgGFc段抗体阳性
D.抗核抗体阳性
E.抗HLA抗体阳性
参考答案:B
将手表放在枕头的下面,隔着枕头,却能更清楚的听到手表“滴答”的声音.这说明______比______传声的能力强.
连词成句。
1. is she mother my (.)
2. I teacher am a are you students (.)
3. my friend this is (.)
4. evening good (!)
5. welcome school to (!)