风疹的流行季节是:
A.夏秋
B.冬春
C.秋冬
D.春夏
E.春秋
参考答案:B
—He didn’t devote his time to his study,did he?
— .As a result,he failed all the final exams.
A.Yes,he did
B.No,he didn’t
C.Yes,he didn’t
D.No,he did
男性,12岁,近期有上呼吸道感染病史,否认外伤史,最近出现右大腿根部(股骨)疼痛,伴有发烧,体温38~39℃,右侧股骨X线检查未发现异常。
该患者常常要考虑的鉴别诊断是什么()。
A.蜂窝组织炎
B.肝炎
C.肾炎
D.淋巴瘤
E.原发性骨肿瘤
F.骨转移瘤