有特异性抗原受体的细胞是（）
A.B淋巴细胞
B.浆细胞
C.巨噬细胞
D.NK细胞
E.单核细胞
参考答案：A
We were shocked to hear the news that ________ two Chinese engineers were shot to death in Pakistan. Worse still, ________ third one died in hospital afterwards.
A．/; a
B．the; the
C．the; a
D．/; the
亚急性感染性心内膜炎皮肤表现
A．Osler结节B．Negri小体C．AschOff小体D．McCallum斑
