题目内容

— There were already people in the car, but they managed to take me as well— It______ a comfortable journey.

A. can't be
B. shouldn't be
C. couldn't have been
D. mustn't have been

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最有助于诊断的检查是

A. 咽拭培养
B. 痰培养
C. 白细胞检查
D. 皮疹涂片检查
E. 局部脓液培养

司可巴比妥的鉴别可使用

系统聚类分析法中，距离d可以取()。

患者男性，65岁，因头晕、活动时心前区疼痛、夜间阵发性呼吸困难就诊。血压130/70mmHg，主动脉瓣区第二心音减弱，胸骨左缘第3肋间、胸骨右缘第2肋间可闻及3～4/6级收缩期杂音，向颈部传导