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问题 单项选择题

患者，女性，43岁，偶有心悸，气短，查体心尖内侧可闻及开瓣音，该患者是

A．二尖瓣狭窄，瓣膜弹性及活动良好

B．二尖瓣狭窄伴关闭不全

C．二尖瓣狭窄分离术的禁忌证

D．二尖瓣狭窄，瓣膜钙化

E．二尖瓣狭窄，瓣膜粘连

答案

参考答案：A

改错题

My mother is a teacher work in a key high school. She is too busy that she often has to get up early and stay up late. In addition to this, she hardly has any times to take exercise. She has been on poor health for some time. My father and I are worried that she may fall itl if she works too hard. These days I’m thinking why to develop my mother’s interest in playing sports. Considered that today is Mother’s Day, I decided buy a pair of jogging shoes for her. I secret put them on the desk in her study. When my mother entered into her study this evening, she looked surprised, but she immediately realized my intention. She promises that she would go jogging every evening.
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单项选择题

( )组合可以用来治理需求膨胀与通货膨胀，但调控力度过大、过猛，也可能造成通货紧缩、经济停滞甚至滑坡。

A．紧的财政政策与紧的货币政策

B．紧的财政政策与松的货币政策

C．松的财政政策与松的货币政策

D．松的财政政策与紧的货币政策
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