具有介导抗体依赖性细胞毒性(AD CC)作用的是
A.肥大细胞B.自然杀伤(NK)细胞C.树状突细胞(DC)D.嗜碱性粒细胞E.中性粒细胞
参考答案:B
与缺铁性贫血无关的表现是()。
A.舌炎与口角炎
B.吞咽困难
C.黄疸
D.小儿行为异常
E.反甲现象
Would you like _______ with us?[ ]
A. to have a cup of tea
B. have a cup of tea
C. to eat a cup of tea
D. having a cup of tea