题型:问答题 The fire, believed to due to illegal construction on the building’s roof, was brought under control after an hour.A.have occurredB.occurC.have been occurringD.be occurring 查看答案
题型:问答题 男性,50岁。发现右颈前包块1个月,出现声音嘶哑2周。超声检查:甲状腺右叶单发、边界不清的低回声结节,内有细点状强回声,伴有右颈部淋巴结肿大。首先要考虑的诊断是()A.甲状腺腺瘤B.甲状腺癌C.甲状腺囊肿D.结节性甲状腺肿E.桥本病 查看答案