下列描述中属于脑内征象的是（）
A.邻近颅板增生
B.邻近颅板破坏
C.白质挤压征
D.瘤周水肿
E.脑沟增宽
参考答案：D
A—cost price F—sale price
B—factory price G—wholesale price
C—net price H—retail price
D—price free on board I—fixed price
E—purchase price J—guaranteed price
K—cash price O—price control
L—market price P—maximum price
M—preferential price Q—minimum price
N—piece price
（）批发价（）单位价格
