问题
单项选择题
血管扩张剂在心功能不全患者中的应用，下列哪项错误
A．先天性心脏病室间隔缺损患者宜应用
B．主动脉瓣关闭不全患者宜应用
C．严重冠状动脉狭窄患者应慎用
D．二尖瓣狭窄患者宜应用
E．血容量不足者应禁用
答案
参考答案：D
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血管扩张剂在心功能不全患者中的应用，下列哪项错误
A．先天性心脏病室间隔缺损患者宜应用
B．主动脉瓣关闭不全患者宜应用
C．严重冠状动脉狭窄患者应慎用
D．二尖瓣狭窄患者宜应用
E．血容量不足者应禁用
参考答案：D
It was the district sports meet. My foot still hadn’t healed(痊愈)from a(n) injury. I had whether or not I should attend the meet. But there I was, for the 3, 000-meter run. “Ready. . . set. . . ”The gun popped and we were off. The other girls rushed me. I felt as I fell farther and farther behind. “Hooray! ”shouted the crowd. It was the loudest I had ever heard at a meet. The first-place runner was two laps(圈)ahead of me when she crossed the finish line. “Maybe I should , ”I thought as I moved on. , I decided to keep going. During the last two laps, I ran and decided not to in track next year. It wouldn’t be it, even if my foot did heal. When I finished, I heard a cheer— than the one I’d heard earlier. I turned around and enough, the boys were preparing for their race. “They must be cheering for the boys. ”I was leaving several girls came up to me. “Wow, you’ve got courage! ”one of them told me. “Courage? I just a race! ”I thought. “I would have given up on the first lap, ”said another girl. “We were cheering for you. Did you hear us? ” Suddenly I regained . I decided to track next year. I realized strength and courage aren’t always in medals and victories, but in the we overcome(战胜). The strongest people are not always the people who win, the people who don’t give up when they lose.
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