HLA抗原抗体反应可引起()
A.非溶血性发热反应
B.超敏反应
C.溶血反应
D.输血后紫癜
E.感染
参考答案:A
The dichotomy postulated by many between idealism and realism is one of the standard cliches of the ongoing debate over international affairs.
A.division into two parts
B.combination of two parts
C.disparity
D.contradiction
导致根尖周病的主要感染途径是()
A.感染根管
B.深牙周袋
C.血行感染
D.邻牙疾病波及
E.体内其他病灶