简述使用白云石造渣的作用?

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问题:

简述使用白云石造渣的作用?

考点:炼钢工转炉炼钢工考试转炉炼钢工考试题库
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阅读理解。

     A little boy invited his mother to attend (出席) his elementary school's first teacher-parent meeting. To

the little boy's dismay (沮丧), his mother said she would go. This would be the first time that his classmates

and teachers met his mother and he was embarrassed (尴尬的) by her appearance. There was a severe

(严重的) scar (伤疤) that covered nearly the whole right side of her face. The boy never wanted to talk

about why or how she got the scar.

     At the meeting, the people were impressed (留下深刻的印象) by the kindness of his mother with the

scar, but the little boy was still embarrassed and hid himself from everyone. However, he could hear clearly

the conversation between his mother and the teacher.

     "How did you get the scar on your face?" the teacher asked.

     The mother replied, "When my son was a baby, he was in a room that caught on fire. Everyone was too

afraid to go in because the fire was out of control, but I went in. As I was running towards his bed, I saw

a burning wood falling down and I placed myself over him trying to protect him. I was knocked to be

unconscious (无知觉的), but luckily, a fireman came in and saved both of us." She touched the burned side

of her face. "This scar will be forever, but until today, I have never regretted doing what I did."

     When the little boy heard this, he couldn't help running towards his mother with tears in his eyes. He

hugged her and felt his mother was greater than anyone. He held her hand tightly for the rest of the day.

1. The boy's mother was actually (事实上) ______. [ ]

A. ugly

B. kind

C. beautiful

D. ugly but kind

2. According to the passage, the little boy ______. [ ]

A. didn't ask her mother to attend the meeting

B. wanted her mother to attend the meeting at first

C. didn't really want her mother to attend the meeting at first

D. wasn't moved by what her mother said

3. After reading the passage, we know ______. [      ]

A. the people at the meeting didn't like the boy's mother

B. the boy's mother was brave but foolish

C. the boy hated what his mother had done

D. we should respect our parents whatever they are like

题型:问答题 简答题

下列电子式正确的是

题型:问答题 简答题

下列住院病案错误的是()

A.医疗记录

B.护理记录

C.检验记录

D.镜检记录

E.交班报告

题型:问答题 简答题

在“左胠肋痛,不能转侧”中,“胠”是指()

A.腋下肋上

B.胸膈间

C.腹部

D.腰部

题型:问答题 简答题

对于破伤风较重证,病势较缓,伤后10日以上发病者,治疗应首选的方剂是

A.木萸散

B.玉真散

C.玉屏风散

D.当归地黄汤

E.五虎追风散

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