破裂后不易形成血肿（）
A.颈内后交通动脉瘤
B.前交通动脉瘤
C.大脑后动脉动脉瘤
D.大脑中动脉动脉瘤
E.椎基底动脉动脉瘤
参考答案：E
—Did you meet Tom at the airport?
—No. His plane ________ by the time I ________ there. [ ]
A. has taken off; got
B. took off; had got
C. took off; arrived
D. had taken off; arrived
停经后不规则 * * 流血且子宫迅速增大（）
A.子宫肌瘤
B.子宫腺肌病
C.葡萄胎
D.卵巢肿瘤
E.子宫畸形
