At present, no medical therapy is known to affect progressions of rheumatic mitral stenosis.

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问题 At present, no medical therapy is known to affect progressions of rheumatic mitral stenosis.

选项 A、deterioration
B、accumulation
C、expansion
D、promotion

答案A

解析 题干:现在,没有医疗手段可以阻止风湿性二尖瓣狭窄的恶化。划线词progression的意思是“进展”。要注意,“疾病的进展”言下之意是疾病恶化了。deterioration恶化;accumulation积累;expansion扩展;promotion提升。
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