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心房纤颤病人心室率在每分钟100次以上者手术前

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Mr Richards has worked in a small seaside town for about ten years and he and his wife have a comfortable house near the sea. During the winter they would be quite happy, but every summer a lot of their relatives used to spend holiday in their house, and it was much cheaper than staying in hotel. Finally one day in June Mr Richards complained to a clever friend of his who lived in the same place. "One of my wife's cousins is going to bring her husband and children and spend ten days with us next month again. How have you prevented all your relatives from coming to live with you in summer？" "Oh," the friend answered, "that is not difficult. I just borrow money from all the rich ones, and lend it to all the poor ones. After that, they seldom come again." Hearing this Mr Richards smiled.
The relatives preferred to stay in Mr Richards's house because

A. it was cool in summer
B. they might spend less money
C. they were more welcome
D. it was a comfortable place

在现有的社会正常的生产条件下，在社会平均的劳动熟练程度和劳动强度下制造某种使用价值所需要的劳动时间是（）

A. 社会总劳动
B. 社会必要劳动时闻
C. 个别劳动时间
D. 社会平均劳动时间

基础型课程注重学生基础学力的培养，即培养学生作为一个公民听必须的“三基”为中心的基础教养。“三基”指的是（）。

A. 读、写、画
B. 读、画、算
C. 画、写、算
D. 读、写、算

计量检定人员是指经（），持有计量检定证件，从事汁量检定工作的人员。

A. 考核合格
B. 计量行政部门批准
C. 培训
D. 授权