水是眼波横，山是眉峰聚。欲问行人去那边？ 眉眼盈盈处。      才始送春归，又送君归去。若到江南赶上春，千万和春住。 

1．加朗读停顿号。 

2．写景的诗句是                                                                                   

3．点明作者送朋友离去的时间的诗句是                                                                                            

4．这首诗写的是                                                                                                                               

5．这首诗表达了                                                                                                                              

在排序算法中，两两比较待排序的记录。当发现不满意顺序要求时，变更它们的相对位置，这就是______排序。

A．插入
B．枚举
C．交换
D．归并