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当前学科：高级汽油加氢装置操作工考试
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装置检修中所有的法兰、阀门都是常温常压下紧好的，由于各种材料的（）不一样，温度升高后可能会泄漏。
A . 热膨胀系数
B . 法兰
C . 传热系数
D . 密封面
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Enids wedding dress arrived at five oclock in the evening: just seventeen hours before her marriage! "I must try it【C1】______, mother!" She cried, as she ran up stairs. Three minutes later Enids cries【C2】______her mother to her. The dress was much【C3】______big for her. It was baggy(鼓鼓囊囊的)in the front, and the neckline looked all wrong. Enid was in【C4】______. "Take it back to the dressmakers," Mrs. Bale said. "She must【C5】______it tonight. Hurry now. Take it off and go. " The dressmakers shop was closed. "CLOSED FOR ONE WEEKS HOLI DAY", said a【C6】______on the door. Fresh tears【C7】______to Enids eyes. She ran home again to her mother. "This is【C8】______," Mrs. Bale said. "But what are we going to do? Shall I ask Mrs. Peters to help? She was a dressmaker【C9】______. Im sure she could help. " Mrs. Peters was brought【C10】______and began work. She could see what was【C11】______. She had to take in a lot of material at the front, and that was a【C12】______job. Then she altered the neckline—in fact she made it【C13】______. At ten oclock the work was finished, and Enid put on the dress and found it【C14】______her beautifully. The three women were having a cup of tea【C15】______the doorbell rang. Mrs. Bale answered it and looked【C16】______the worried eyes of a plump(丰满的)young woman. The woman was carrying a large box. "Does Miss Enid Bale live here?" she asked【C17】______. "Yes, shes my daughter. " "Oh, Im glad Ive【C18】______you! There has been a【C19】______. Your daughter has my wedding dress, and Ive got hers. And Im getting married tomorrow!" She【C20】______out the box to Mrs. Bale.【C1】A．onB．withC．outD．in
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