正常的寰枕关节可以伸展25°。()
参考答案:对
The computer doesn’t work well and it requires _____ but the manager requires me _____ to use it.
A.to change; to continue
B.changing; continuing
C.changing; to continue
D.to change; continuing
女性,50岁,因吞咽困难半年,加重2周且体重3个月减轻5kg来院就诊。体格检查:消瘦,贫血貌,左锁骨上扪及一约0.8cm肿大淋巴结,经X线检查明确为食管癌。试问食管癌的典型症状是()
A.持续性胸背痛
B.声音嘶哑
C.进行性吞咽困难
D.消瘦、乏力
E.锁骨上淋巴结肿大、转移