用某种排序方法对线性表（25，84，21，47，15，27，68，35，20）进行排序时，元素序列的变化情况如下。①25，84，21，47，15，27，68，35，20②20，15，21，25，47，27，68，35，84③15，20，21，25，35，27，47，68，84④15，20，21，25，27，35，47，68，84则所采用的排序方法是__（1）__。不稳定的排序是__（2）__。外排序是指__（3）__。
空白（1）处应选择（）
A.选择排序
B.希尔排序
C.归并排序
D.快速排序
参考答案：D
词语运用(10分)
On your way to __小题2:__, you must keep your direction. It is just like a lamp, guiding you in darkness and __小题3:____you overcome difficulties on your way. Otherwise, you will _小题4:___get lost or daren`t go ahead. Direction ___小题5:___goals. You can get nowhere __小题6:____an goal in life. You can try to __小题7:___your goal on paper and make some___小题8:_ to achieve it. In this way, you will know __小题9:_to spend your time and to spend your time properly. And you should also have a belief that you are sure to succeed as long as you keep __小题10:__direction all the time. |