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题目：
单选题
A降低温度
B调节pH值
C改变溶剂
D制成干燥粉末
E控制微量金属离子
答案：
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蒙古族传统文化在漫长的历史实践中，保持了以下几个基本特征：1、多元文化特征；2、大众化特征；3、顽强特征；4、（）特征。
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妊娠身痒营卫不调，其主要治法（）
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有一只5月龄的犬（已注射过3次英特威四联苗）出现进行性消瘦，体温正常，可视黏膜苍白，排红色黏液血便该犬患的病最有可能是（）
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骨软骨瘤外科分期属于（）。
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As Christmas is coming, there are presents to be bought, cards to be sent, and rooms to be cleaned. Parents are ___1___ with difficult jobs of hiding presents from curious young children. If the gifts are large, this is sometimes a real ___2___. On Christmas Eve, young children find the excitement almost unbearable. They are torn between the wish to go to bed early so that Father Christmas will bring their presents quickly and the wish to stay up late so that they will not miss the fun. The wish for gifts usually proves stronger. But though children go to bed early, they often lie awake for a long time, hoping to get a short ___3___ at Father Christmas. Last Christmas, my wife and I successfully hid a few large presents in the storeroom. I ___4___ the moment when my son, Jimmy, would ask me where that new bike had come from, but ___5___ he did not see it. On Christmas Eve, it took the children hours to go to sleep. It must have been nearly ___6___ when my wife and I went quietly into their room and began filling stockings. Then I pushed in the ___7___ I bought for Jimmy and left it beside the Christmas tree. We knew we would not get much sleep that night, for the children were ___8___ to get up early. At about five o’clock the next morning, we were woken by loud sounds coming from the children’s room — they were shouting excitedly! Before I had time to get out of bed, young Jimmy came riding into the room on his new bike, and his sister, Mary, followed close behind pushing her new baby carriage. Even the baby arrived. He moved ___9___ the hands and knees into the room dragging a large balloon behind him. Suddenly it burst. That woke us up ___10___. The day had really begun with a band! ___8___内应选（）
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胰（）
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下述情况不宜使用胆碱酯酶抑制药的是（）。
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各级行每年形成的会计档案，分别（）为顺序进行归档
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光学分度头是一种光学量仪，光学分度头按刻度值分有多种规格，其中以（）的光学分度头使用较广泛。
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对技术复杂而又缺乏设计经验的工程项目，根据主管部门的要求，可增加()阶段。