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【单选题】
简单选择排序和直接插入排序算法的平均时间复杂度为 ___________ 。A.
O(n 2 )
B.
O(n)
C.
O(nlog 2 n)
D.
O(log2n)
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【简答题】Text 4 In 1784, five years before he became president of the United States, George Washington, 52, was nearly toothless. So he hired a dentist to transplant nine teeth into his jaw – having extracted ...
【单选题】In 1784, five years before he became president of the United States, George Washington, 52, was nearly toothless. So he hired a dentist to transplant nine teeth into his jaw—having extracted them from...
A.
show the primitive medical practice in the past.
B.
demonstrate the cruelty of slavery in his days.
C.
stress the role of slaves in the U.S. history.
D.
reveal some unknown aspect of his life.
【单选题】In 1784, five years before he became president of the United States, George Washington, 52, was nearly toothless. So he hired a dentist to transplant nine teeth into his jaw-having extracted them from...
A.
show the primitive medical practice in the past.
B.
demonstrate the cruelty of slavery in his days.
C.
stress the role of slaves in the U. S. history.
D.
reveal some unknown aspect of his life.
【简答题】影响消费者购买行为的因素有( )因素、( )因素、( )因素和心理因素。
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