关于Ⅱ级星形细胞瘤(WHO分类)CT表现的描述,错误的是()
A.肿瘤与水肿区不易区分
B.病灶几乎不强化
C.病灶呈不均质环样强化
D.病灶边缘清楚
E.占位效应较轻
参考答案:C
—_____ did it ______ to get to the nearest clothing store?
—20 minutes [ ]
A, How often, take
B. When, took
C. How far, took
D. How long, take
判断下面关于分页系统的页面大小的说法是否正确:
页面大的好处是页表较小。