嗜铬细胞瘤的常见表现哪项不正确()
A.均有血清儿茶酚胺增高
B.90%发生于肾上腺区
C.CT及血管造影均有明显染色和增强
D.可有钙化
E.可有中心区坏死及瘢痕
参考答案:A
After class, Mr. Zhang’s extra instructions to the class helped _____ the assignment to his students.
A.classify
B.clarify
C.cater
D.compensate
发行人向中国证监会申请发行新股的,中国证监会收到申请文件后,在()个工作日内做出是否受理的决定。
A.3
B.5
C.10
D.15