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【单选题】
患者女性,35岁,因活动后有呼吸困难,近半年有进行性加重,并伴有咳嗽、声音嘶哑。患者既往有风湿热10年,常有扁桃体炎发生,诊断为慢性风湿性心瓣膜病。 <1> 、慢性风湿性心瓣膜病最常受累的瓣膜是A.
二尖瓣
B.
三尖瓣
C.
肺动脉瓣
D.
主动脉瓣
E.
静脉瓣
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【单选题】Noxious emissions amount to 0.25~0.4 percent by volume of the___ ,depending on the amount of sulphur in the fuel and its lower heat value, and the engine type, speed and eficiency Noxious emissions有毒排...
A.
sulphur
B.
suction air
C.
exhaust gas
D.
discharging air
【简答题】Many nations are restricting emissions of noxious gases. The noxious gases threaten the atmosphere.
【单选题】Although recent years have seen substantial reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been steadily increasing. Consequently, more than 100 citie...
A.
countering a flawed argument that dismisses a possible solution to a problem
B.
reconciling contradictory points of view about the nature of a problem
C.
identifying the strengths of possible solutions to a problem
D.
discussing a problem and arguing in favor of one solution to it
【简答题】Identify from which paragraph the information is derived. China is adopting European standards in controlling the emissions of noxious car exhausts.
【单选题】By ( ), besides burning coal, other noxious emissions from industry and vehicles were added to the mix of London’s air pollution.
A.
The mid-19th century
B.
The mid-20th century
C.
The end of 19th century
D.
The beginning of 21st century
【单选题】不同零售业态的区域选址策略各不同,一般情况下,卖场面积在6000平方米以上,大众化衣、食为主,自有品牌的开发比例较大,商品品种4000种左右,低价批量销售,这是什么业态?
A.
超市
B.
大型超市
C.
仓储会员店
D.
百货店
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