压力蒸汽灭菌生物监测指示菌株为()。
A.耐热的嗜热脂肪杆菌芽孢
B.耐热的嗜热脂肪杆菌
C.耐热的嗜热脂肪杆菌
D.枯草杆菌芽孢
E.短小杆菌芽孢
参考答案:A
根尖周囊肿最重要的诊断依据是()
A.根尖周X线透射区周边有白线围绕
B.根管内有浅黄透明囊液
C.囊液可见胆固醇结晶
D.牙髓无活力
E.以上各项均是
No thing fuels cynicism for watching two titanic institutions squabble over their reputations.
A.No... as
B.Something... like
C.Nothing... like
D.No... than