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单项选择题

若数据元素序列11,12,13,7,8,9,23,4,5是采用下列排序方法之一得到的第二趟排序后的结果，则该排序算法是（）。
A、选择排序
B、直接插入排序
C、冒泡排序
D、归并排序

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单项选择题Tell the function of the sentence. I’ rather go straight home. A. It's stating an opinion. B. It's requesting. C. It's making an invitation. D. It's expressing a preference.

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C．The motion of the engines had ceased.
D．In a forest at night one can hear the piping of frogs.