Where did Vera go ______ vacation? [ ]
A. for
B. in
C. on
答案:C
男,32岁,外伤后1天,CT检查如图,最可能的诊断是()
A.脑膜瘤
B.脑挫裂伤并颅内积气
C.脑出血
D.颅脑外伤
E.颅内积气
简述曹植诗歌的艺术特色。