A:与靶细胞密切接触使其裂解
B:与抗原结合使其失去活性
C:直接吞噬靶细胞将其分解
D:将抗原呈递给B淋巴细胞
—Wow! beautiful music! I like the concert very much.
—I think everybody will have wonderful time tonight.
在生物学上,成语“螳螂捕蝉,黄雀在后”描述的是 ( )
This shirt is____ you. ( )