“江河让大地葱茏，热血使生命沸腾”。人体失血过多时需要及时输血，下列关于输血的说法不正确的是（　　）

 某实验小组为了测定某混合物（Na₂CO₃与NaCl）中碳酸钠的质量分数，进行了如下实验：称取15g样品配成溶液，然后逐渐加入一定量的质量分数为7.3%的稀盐酸，充分反应．在此过程中进行了3次数据测定，所加入稀盐酸的质量和生成的气体质量如下表：

请分析数据，回答下列问题：

      Mrs. Herry lived in a city of America. Her husband had a few big stores. Two years ago the rich shopkeeper was hit(被撞) in a traffic accident. He was taken to a hospital at once, but the doctors could not save him and he soon died. He left his wife plenty of money, but the woman was very sad. She sent(打发) all servants(佣人), cooks and drivers away and began to live alone. But she took good care of Bobby, her husband's dog. And she can't leave him now.
      One summer afternoon, Mrs. Herry went to do some shopping. Suddenly it began to rain, so she had to take a bus. As soon as she got on, she said to the driver, “Can you look for a seat for my dog if I buy a ticket for him, Sir? ”
    The driver had a look at the dog and found its legs were very dirty. He said, “Of course I can, Madam. But he must sit on the seat like you do!”
根据短文内容，回答问题。