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【单选题】
女，65 岁。间断咳嗽、咳痰10 年。1 前受凉后症状加重，咳少量脓性痰，伴呼吸困难，逐渐加重，近2 日夜间平卧困难，急诊就诊。既往糖尿病病史5 年，血糖控制良好。查体：半坐位，球结膜水肿，口唇发绀。颈静脉怒张。双肺可闻及哮鸣音，肺少量湿性啰音，延长。心界不大，心脏各瓣膜区未闻及杂音。肢轻度水肿。该患者首先考虑的诊断是A.
慢性阻塞性肺疾病
B.
肺血栓栓塞
C.
支气管扩张
D.
衰竭
E.
支气管哮喘
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【单选题】用0.1 mol/L HCl溶液与0.1 mol/L NH3•H2O溶液等体积混合后,pH应该 ( )
A.
等于7.0
B.
小于7.0
C.
等于8.0
D.
大于7.0
【简答题】Here is a story told about an American general who was a very important figure in the American army during the First World War. Everybody in the United States knew him and many people wished to have a...
【简答题】阅读理解 Here is a story told an American general (将军) who was a very important figure in the American army during the First World War. Everybody in the Untied States knew him and many people wished to ha...
【简答题】阅读理解。 Here is a story told an American general (将军) who was a very important figure in the American army during the First World War. Everybody in the Untied States knew him and many people wished to h...
【单选题】Must I finish my homework now?
A.
No, you needn’t.
B.
No, you mustn’t.
C.
No, you can’t.
D.
No, you don’t.
【单选题】– Must I finish my work today? -- No, you _______.
A.
mustn’t
B.
can’t
C.
needn’t
D.
must
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