下列梗死灶常发生化脓的是()
A.心脏附壁血栓脱落造成的梗死
B.肾梗死
C.急性感染性心内膜炎赘生物脱落造成的梗死
D.肺出血性梗死
E.卵巢肿瘤蒂扭转性梗死
参考答案:C
原子塔是当时()中最具表现力的建筑之一。
A.网络结构
B.球体结构
C.悬索结构
—Do you know _____ the CD yesterday?
—Sorry, I don't know. [ ]
A. how much he paid for
B. how much he will pay for
C. how much did he pay for
D. how much will he pay for