题目内容
患者女，52岁，入院前15d因受凉后出现发热，体温最高达38.7℃，自服氧氟沙星后体温下降。1周前因快步及饱餐后感觉不适，未作处理。1d前突感心悸不适、头晕乏力，不伴黑蒙、晕厥。门诊EKG：二度Ⅰ型房室传导阻滞，不完全性左束支传导阻滞。予牛磺酸、辅酶Q等处理后，病情无好转。自感胸闷、心悸较前加重。再次EKG：三度房室传导阻滞，不完全性左束支传导阻滞。遂收治入院。查：肠道病毒RNA（+）；超声心动图未见异常。既往史：无高血压、糖尿病病史。为明确诊断，最有价值的检查（）
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根据以下内容回答题，Mr．Reece is an interesting old man．Mr．Reece worked 41 a farm．He and his wife 42 a lot of things and they had some cows．Every day they worked hard 43 morning till night．One day，Mr．Reeee44 his wife．“Let’s go to Portsmouth next Sunday．We Call have a good lunch there and then We call go to tile cinema" His wife was very 45 when she heard this，because they always ate a lot，and she didn’t like 46 three times It day．They went to Portsmouth 47 and walked about for an hour．Then， 48 it was twelve o’clock．they wanted to have lunch．They looked at four restaurants．In front of one restaurant，they saw a notice. It 49 ，“Lunch：12：30 to 2：30，1．5 pounds．”“Well，that’s great．”Mr．Reece said，“We call eat for two hours for 1．5 pounds here! This is the 50 for us．”第41题应选：
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销售毛利率越小，说明在销售收入净额中销售成本所占比重越小，企业通过销售获取利润的能力越强。（）
狭义上的法律，泛指一切以国家政权意志形式出现，用国家政权的强制力来保证实现的各种社会规范。（）
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