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【简答题】
在一连馏塔中分离某二元混合液，两组分的相对挥发度为2.21。已知精馏段操作线方程为y=0.72x+0.25。塔顶采用，冷凝液在饱和温度下回流入塔。假若测得塔顶第一层塔板的板效率E mL =0.65，试确定离开塔顶第二层塔板的气相组成。
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反馈参考答案：
举一反三
【单选题】A conflict of interest between the stockholders and managers of a firm is referred to as the:
A.
stockholders' liability.
B.
corporate breakdown.
C.
agency problem.
D.
corporate activism.
【多选题】下面哪种姿势是正确的握手姿势?
A.
客人走的时候一般是主人先伸手，表示礼貌
B.
刚从洗手间出来，湿手握手也没什么不好
C.
握手时要目光对视
D.
两人握手要虎口相对，表示从容与自信
【单选题】The potential conflict of interest between a firm's owners and its managers is referred to as which type of conflict?
A.
Organizational
B.
Structural
C.
Formative
D.
Agency
【简答题】Conflict of interest has been regarded as a main of social change.
【单选题】Agency costs surrounding the conflict of interest between managers and shareholders are
A.
the monitoring costs of the shareholders.
B.
the residual loss of wealth due to divergent management behavior
C.
the monitoring costs of the shareholders and the loss of wealth due to divergent management behavior
D.
the set-of-contracts needed to structure the firm and residual wealth.
【多选题】抽筋时,以下哪些措施是正确的()。
A.
抽筋时，千万不要惊慌，要保持镇静，想方设法靠近上岸
B.
仰面浮于水面，并根据不同部位采取不同方法进行自救。
C.
小腿抽筋，身体成仰卧姿势，用手握住抽筋的脚趾，用力向上拉，使抽筋腿伸直，并用另一脚踩水，另一手划水，帮助身体上浮，连续多次，可恢复正常
D.
两手抽筋时，应迅速握紧拳头，再用力伸直，反复多次，直至复原。抽筋过后，改用别种泳姿游回岸边，如果不得不用同一泳姿时，要提防再次抽筋。
【简答题】The term _________ refers to the cost of the conflict of interest between stockholders and management.
【多选题】下面哪种姿势是正确的握手姿势?(多选题)
A.
客人走的时候一般是主人先伸手，表示礼貌
B.
刚从洗手间出来，湿手握手也没什么不好
C.
握手时要目光对视
D.
两人握手要虎口相对，表示一种从容与自信，男女都一样
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