问题
多项选择题
关于硫化氢汽提塔（具有塔顶内回流）说法正确的是（）。
A、硫化氢汽提塔塔顶换热器和塔通过法兰连在一起，中间是连通的
B、塔顶气相采出通过管线上升到塔顶换热器冷却
C、硫化氢汽提塔塔顶换热器和塔是一体的，气相被塔顶换热器冷凝为液相后，直接以自由落体形式返回塔顶部第一层塔盘上
D、塔顶压力调节管线通在换热器和塔顶隔板之间
答案
参考答案：B, D
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关于硫化氢汽提塔（具有塔顶内回流）说法正确的是（）。
A、硫化氢汽提塔塔顶换热器和塔通过法兰连在一起，中间是连通的
B、塔顶气相采出通过管线上升到塔顶换热器冷却
C、硫化氢汽提塔塔顶换热器和塔是一体的，气相被塔顶换热器冷凝为液相后，直接以自由落体形式返回塔顶部第一层塔盘上
D、塔顶压力调节管线通在换热器和塔顶隔板之间
参考答案：B, D
One young academically excellent person went to apply for a managerial position in a big company. He 36 the first interview; the director did the last interview. The director asked, “Did you obtain any scholarships in school?” The young man answered, “ 37 .” “Who paid the school fees for you?” “My father passed away 38 I was born, so my mother paid them all.” “What did your mother do?” “A laundry woman.” The director 39 the youth to show his hands. They were smooth and perfect. The director asked, “Have you ever 40 your mother wash the clothes?” The youth answered, “ 41 . My mother always wanted me to study and read more books. 42 , she can wash clothes faster than me.” The director said, “Please go and clean your mother’s hands, and then see me tomorrow.” The youth felt his 43 of getting the job high. When he went back, he happily asked his mother to let him clean her hands. His mother felt 44 but happy with mixed feelings. The youth cleaned his mother’s hands 45 . He cried as he did that. It was the first time he had 46 his mother’s wrinkled hands with so many bruises (伤痕) on them. Some bruises were so painful that his mother 47 when they were cleaned. Only by then did he realize it was this pair of hands that assisted him 48 his academic years. After finishing cleaning his mother’s 49 hands, the youth quietly washed all the 50 clothes for his mother. That night, they talked for a very long time. The next morning, the director noticed the youth’s swollen 51 and asked, “Can you tell me what you have done and 52 in your house?” The youth answered, “I cleaned my mother’s hands and also finished washing all the remaining clothes. I know now what 53 is. Without mother, there would not have been my success today.” The director said, “This is what I am looking for 54 a manager. I want to hire a person who can value the help of others and who knows the 55 of others. You are hired.”
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