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
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
根据表格提示完成对话。 | ||
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. |