男,60岁,左股骨痛1年余,结合图像,最可能的诊断是()
A.骨纤维异常增殖症
B.Paget病
C.髋关节结核
D.股骨头缺血坏死
E.化脓性骨髓炎
参考答案:B
Your brother _____ be hungry now—he had lunch only two hours ago! [ ]
A. wouldn't
B. can't
C. mustn't
D. needn't
小儿惊风的特征性证候为
A.抽搐神清B.高热抽搐伴神昏C.四肢抽搐,口吐涎沫D.四肢抽搐或作猪羊叫E.突然仆倒,昏不知人