急性心肌梗死早期特异性最高的酶是( )
A.CKB.CK-MBC.ASTD.LDHE.α-HBDH
参考答案:B
解析: CK-MB在急性心肌梗死时诊断特异性最高。
A few minutes earlier, and you would have seen the NBA star. But you ________. [ ]
A. didn't come
B. don't come
C. haven't come
D. won't come
免疫应答的特点不具有()
A.特异性
B.记忆性
C.识别自己、非己
D.可逆性
E.耐受性