问题
单项选择题
大量呕吐未加处理短期内常发生（）。
A.高渗性缺水
B.低渗性缺水
C.等渗性缺水
D.水中毒
E.水肿
答案
参考答案：C
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大量呕吐未加处理短期内常发生（）。
A.高渗性缺水
B.低渗性缺水
C.等渗性缺水
D.水中毒
E.水肿
参考答案：C
完形填空(共15小题；每小题1分，满分15分) A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s ___35___, she said she would go. This ___36___ be the first time that his classmates and teacher met his mother and he felt ___37___of her appearance. Although she was a beautiful woman, there was a severe scar(疤痕)that ___38___nearly the entire right side of her face. The boy never wanted to ___39___why or how she got the scar. At the meeting, the people were ___40___by the kindness and natural beauty of his mother in spite of the scar, but the little boy was still embarrassed(尴尬)and ___41___ himself from everyone. He did, however, get within ___42___of a conversation between his mother and his teacher. The teacher asked___43___, “How did you get the scar on your face?” The mother replied, “When my son was a baby, he was in a room that caught fire. Everyone was___44___afraid to go in because the fire was___45___, so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked___46___ but fortunately, a fireman came in and saved both of us.” She touched the burned side of her face. This scar will be___47___, but to this day, I have never ___48___what I did. At this point, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great___49___of the sacrifice(牺牲)that his mother had made for him. He held her hand tightly for the rest of the day.
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