下列肿瘤组织继发病变中，应除外（）
A.钙化
B.黏液样变
C.坏死
D.恶性变
E.出血
参考答案：D
Jim went swimming with his parents yesterday afternoon. _______. [ ]
A. So did Mary
B. So Mary does
C. So Mary was
D. So Mary did
“十朝古都”和“九朝古都”分别是指 。
A．西安和开封
B．西安和洛阳
C．西安和北京
D．北京和洛阳
