女,17岁,鼻阻塞、头痛两年.如图所示符合筛骨病变最可能的诊断是()
A.成骨肉瘤
B.纤维异常增殖症
C.软骨瘤
D.骨瘤
E.骨化性纤维瘤
参考答案:E
He was a good student and scored _____ average in most subjects. [ ]
A. below
B. of
C. on
D. above
治疗血吸虫病的有效药物是()
A.青霉素
B.呋喃唑酮
C.驱虫康
D.吡喹酮(又称8440)
E.头孢类