【单选题】【消耗次数：1】
心绞痛预后最为严重的冠状动脉病变是
①
右冠状动脉后降支
②
左冠状动脉回旋支
③
右冠状动脉
④
左冠状动脉主干
⑤
左冠状动脉前降支
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相关题目
【单选题】
冠状动脉CTA的优势是
①
显示冠脉的起源、走行及相邻组织结构相互之间的解剖关系
②
显示冠脉先天性解剖变异和畸形
③
显示冠状病变部位
④
显示冠脉病变的形态及病变程度
⑤
以上都正确
【单选题】
右冠状动脉阻塞引起的梗死区域为（ ）
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右心房、右心室
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左心室后壁、室间隔后1/3及右心室
③
左心室侧壁及右心室
④
室间隔后2/3及右心房、室
⑤
室间隔前2/3、心尖及右心室
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She plays the piano better than she does the guiter.此句中的“does”替代了谓语动词“plays”
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正确
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Anewtechnique______,theyieldsasawholeincreasedby20percent.
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working out
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having worked out
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having been worked out
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to have been worked out
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to be informed
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on informing
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informed
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The match was canceled because most of the members______a match without a standard court.
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objected to having
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were objected to have
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objected to have
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were objected to having
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In Australia，_____ the Asians make their influence in businesses large and small.
①
feeling
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feel
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felt
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to be felt