将两个有n个元素的有序表归并为一个有序表，最少比较次数为（）
将两个有n个元素的有序表归并为一个有序表，最少比较次数为（）
A.2n
B.n-1
C.2n-1
D.n
正确答案：n
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- 1.To distinguish friends from foes easily，（）was wore on people's caps on the eve of the battle against the Saxons.
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