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【单选题】
__________________ , identified in 1913, was the first fat-soluble vitamin to be discovered.A.
Vitamin A
B.
Vitamin B
C.
Vitamin C
D.
Vitamin D
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反馈参考答案：
举一反三
【单选题】下列哪种电子构型 的原子 ,其 第二电离能最大
A.
1s 2 2s 2 2p 5
B.
1s 2 2s 2 2p 6
C.
1s 2 2s 2 2p 6 3s 1
D.
1s 2 2s 2 2p 6 3s 2
【单选题】What is the basic pathologic change of bronchopneumonia?
A.
Fibrinous exudative inflammation of alveoli
B.
Interstitial suppurative inflammation
C.
Acute suppurative inflammation of alveoli
D.
All of above
【单选题】The most basic pathophysiology of bronchopneumonia is:
A.
Hypoxia（低氧血症）;
B.
Hypercapnia （高碳酸血症）;
C.
Sepsis （败血症）;
D.
Toxinemia（毒血症）;
E.
Acidosis（酸中毒）
【单选题】Which of the following statements about bronchopneumonia is incorrect?
A.
Bronchopneumonia is an acute infection of the terminal bronchioles that extends into the surrounding alveoli.
B.
The patients of bronchopneumonia are generally young adults.
C.
Staphylococci and streptococci are common organisms responsible for bronchopneumonia.
D.
Chest radiograph shows multiple small nodular opacities separated by normal lung parenchyma.
【简答题】电动刀架刀位锁不紧的主要原因有()、()、()等 。
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