问题
单项选择题
B细胞表面的免疫黏附受体是（）
A.CD2
B.CD4
C.CD54
D.CD8
E.CD3
答案
参考答案：C
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B细胞表面的免疫黏附受体是（）
A.CD2
B.CD4
C.CD54
D.CD8
E.CD3
参考答案：C
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Lily: I 2_____________ at 7: 00 in the morning. What about you? May: I usually get up at 7: 30. When do you 3_____________? Lily: At 4_____________. 5_____________ you? May: Me, 6_____________. 7_____________ do you 8_____________? Lily: I 9_____________ at 8: 45. May: Oh, it's so late. |