问题
单项选择题 案例分析题
男性，30岁，风心病主动脉瓣狭窄10年，近3周出现乏力不适。查体：皮肤有少量瘀点，主动脉瓣区有收缩期和舒张期杂音，脾可触及。血红蛋白80g/L。
下列哪项化验检查最有助于确诊（）
A.抗链球菌溶血素"O"滴度
B.血培养
C.心肌酶
D.血细胞分类
E.血电解质测定
答案
参考答案：B
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男性，30岁，风心病主动脉瓣狭窄10年，近3周出现乏力不适。查体：皮肤有少量瘀点，主动脉瓣区有收缩期和舒张期杂音，脾可触及。血红蛋白80g/L。
下列哪项化验检查最有助于确诊（）
A.抗链球菌溶血素"O"滴度
B.血培养
C.心肌酶
D.血细胞分类
E.血电解质测定
参考答案：B
阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并从答题卡上将该选项涂黑。 I had been playing hockey（冰球）for about 10 years. I was always the one sitting at the end of the bench, and got into a game. I went to all the and showed up even when it was so that your ‘breath froze’ and when the other players had decided to stay home. I felt I had enough and thought of quitting. I finally decided to the news to my mom that I was leaving the team. My mom may have looked like a tiny and quiet lady but on my words, she said, “Remember, ‘A quitter never wins and a winner never quits.’ Your mother didn’t raise , so think about yourself in a way and see yourself as a winner!” So I worked harder than ever at getting in better shape, my shot accuracy and changing my . Once in a match, we our first game badly. What’s worse, one of our best players got hurt. I was sitting at my place, at the end of the bench, when the coach came over and told me I was going , I was nervous, excited and terrified all at the same time. The opposing team was fast and I had to admit I was a little . But my mom’s words out in my head like a church bell. Instead of being afraid, I was “pumped” and I very quickly found that all my work was paying off. I was as fast a skater as anyone else on the ice, and I seemed to get the to score. The crowd went quiet. All the time I spent on the ice when everyone had gone home had _____ me for this moment. Won! I won! The lesson I learned from my mom’s has stayed with me over the years. I hear them whenever I am faced with a challenge, or whenever I myself.
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