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【单选题】
患儿8岁男性，生后即有发绀，哭闹时尤甚，逐年加重，喜蹲踞，1年前昏厥1次.查体：发育不良，明显发绀及杵状指，心前区搏动增强，胸骨左缘第3、4肋骨间3/6级收缩期吹风样杂音。X线片示心影增大，心尖圆钝上翘，心腰凹陷，主动脉增宽，肺野清晰，肺血少，肺小，心电图示右室、右。其诊断：（）A.
房间隔缺损
B.
心包炎
C.
肺动脉瓣狭窄
D.
法洛四联症
E.
法洛三联症
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【简答题】填充字段是用于保证IP数据报的报头长度为32比特的整数倍,若不足,由()补齐
【单选题】True statement about action of ethambutol:
A.
Inhibit mycolic acid synthesis
B.
Selectively tuberculocidal agent
C.
Increase the permeability of cell wall
D.
More active on slowly multiplying bacilli
【单选题】True statement about rifampicin EXCEPT:
A.
Bacteriostatic agent
B.
Acts by inhibiting DNA dependent RNA synthesis
C.
Resistance is due to rpo-B gene
D.
Can cause staining of soft lenses
【单选题】According to the passage, which of the following is a true statement about sectional conflicts in America between 1763 and 1789?
A.
These conflicts were instigated by eastern interests against western settlers.
B.
These conflicts were the most serious kind of confliet in America.
C.
These conflicts eventually led to openly expressed class antagonism.
D.
These conflicts contained an element of class hostility.
【单选题】True statement about lamotrigine
A.
It acts by blocking NMDA type of glutamate receptors
B.
It is a DA agonist used in Parkinson's disease.
C.
It has Broad spectrum of anti-seizure activity
D.
It doesn't have any adverse side effects
【单选题】The author suggests that which of the following is a true statement about people who typify the “old style. capitalist' referred to in line 23?
A.
They now rely on outdated management techniques.
B.
They seldom engaged in short-term trading of the stock they owned.
C.
They did not influence the investment policies of the corporations in which they invested.
D.
They now play a much smaller role in the stock market as a result of antitrust legislation.
E.
They were primarily concerned with maximizing the short-term profitability of the corporations in which they owned stock.
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