在直接插入排序和简单选择排序中，若初始数据基本有序，则选用1；若初始数据基本反序，则选用2。
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在堆排序和快速排序中，若原始记录接近正序或反序，则选用1；若原始记录随机分布，则最好选用2。
以关键字序列（15,18,29,12,35,32,27,23,10,20）为例，写出执行堆排序算法的各趟排序结束时关键字序列的状态。
Why does Tom hit Myrtle at his apartment in New York City?
A. Because she refuses to see him anymore
Because she asks him to divorce his wife
C. Because she taunts him about Daisy
D. Because she flirts with Nick
Where is Gatsby’s mansion located?
A. East Egg
B. Park Avenue
C. West Egg
D. Brooklyn
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