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【单选题】
患儿，11个月，因咳嗽、呼吸困难1天入院。有受凉史，微咳，声音轻度嘶哑，呼噜声，偶尔呕吐，无犬吠样咳嗽，口服头孢氨苄及止咳药，半天来憋气明显，有时张口呼吸，流涕，流涎拒吞咽，哭闹不安，查体：T39℃，P164次／分，R48次／分，发育营养好，张口呼吸，前囟2cm×2cm，眼耳鼻无异常，咽部充血，有轻度喉鸣及吸气性三凹征，口唇轻度发绀，可闻喉鸣音，心腹（-）。辅助检查血常规：Hb101g/L，RBC3.88×10 9 /L，WBC14×10 9 /L，N63%，L30%，大小便（-），胸部X线可见两肺纹理粗厚，心膈未见异常。从咳嗽、喉鸣、呼吸困难考虑，应与下列哪项进行鉴别诊断（）A.
咽后壁脓肿
B.
支气管炎
C.
细菌性肺炎
D.
毛细支气管炎
E.
支气管异物
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举一反三
【单选题】Which of the following costs could be being shown in the following diagram?【图片】
A.
Total semi-variable costs
B.
Total variable costs
C.
Variable cost per unit
D.
Fixed cost per unit
【单选题】10 Which of the following costs should be included in valuing inventories of finished goods held by a manufacturing company, according to IAS2 Inventories? 1 Carriage inwards. 2 Carriage outwards. 3 D...
A.
All four items
B.
2 and 3 only
C.
1, 3 and 4 only
D.
1 and 4 only
【单选题】Which of the following costs belongs to directlabor costs?
A.
Wages paid to automobile assembly workers
B.
Salaries paid to maintenance workers
C.
Salaries paid to janitors
D.
Salaries paid to security guards
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