—Are they your pens?
—Yes, ______. [ ]
A. they're
B. they are
C. they aren't
答案:B
人禽流感的表现是()流脑的表现是()
A.高热、咳嗽、呼吸困难
B.高热、腹痛、脓血便
C.高热、抽搐、意识障碍
D.高热、头痛、皮下出血
E.高热、表情淡漠、相对缓脉
患者男性,55岁,因“咽部不适6个月,吞咽阻挡1个月”来诊。无声音嘶哑及吞咽困难。查体:左颈部一肿大淋巴结,直径约2cm,质硬。首先考虑的诊断为()
A.慢性咽炎
B.会厌囊肿
C.喉癌
D.下咽癌
E.甲状腺癌