题目内容
伯酰胺分子与分子间存在氢键，因此沸点相对于其他同分子量的羧酸衍生物而言要更高。
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A narrative makes a point by telling readers about an event or a series of events.
Short stories belong to expository narrative.
The third-person perspective is subjective while the first-person perspective is objective.
Chronological order is most frequently used in a narrative.
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