根据以上情况，为明确病变性质诊断，应首选下列哪种检查方案（）.
A.内镜活检
B.CT
C.MRI
D.DSA
E.USG
参考答案：A
She seems to ____ languages-whatever language she learns, she learns it well. [ ]
A. take an interest in
B. have a gift for
C. take advantage of
D. play a role in
行政监察它有哪些主要特征？
