问题
单项选择题 案例分析题
某一青年学生健康体检时，心电图示心室率65次／分，PR间期为0．26秒，QRS-T波群未见异常
心电图的诊断为（）
A.一度房室传导阻滞
B.窦性心动过缓
C.二度Ⅰ型窦房传导阻滞
D.三度房室传导阻滞
E.二度Ⅰ型房室传导阻滞
答案
参考答案：A
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某一青年学生健康体检时，心电图示心室率65次／分，PR间期为0．26秒，QRS-T波群未见异常
心电图的诊断为（）
A.一度房室传导阻滞
B.窦性心动过缓
C.二度Ⅰ型窦房传导阻滞
D.三度房室传导阻滞
E.二度Ⅰ型房室传导阻滞
参考答案：A
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Student's life in America | ||||
| From Monday to Friday students usually get up at seven. Then they wash their faces and have breakfast. They usually have eggs, bacon (熏肉), bread, fruit and a glass of milk. After breakfast they go to school on foot or by yellow school 1 .Some students ride bikes. They get to school at about half past eight. Then they put their 2 in their lockers( 柜子) and take only one book, a notebook and a pencil to each class. In middle school students have 3 for six hours. Their classes are English, writing, math, 4 and so on. At noon students have lunch at school. They usually 5 meat, fruit, vegetables, bread and a drink. 6 most students like pizza, hot dogs and hamburgers better. Students don't have a short 7 . They go back to have classes 8 lunch until three o'clock. Then they go home. Students usually play or watch TV before 9 .They have supper at six in the evening. The supper usually has soup, meat, 10 , rice or pasts (面食). After supper they do their homework. Sometimes they play or talk with their parents. | ||||
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