提供原型生命周期的目的是提交一个有内容的______。
查看答案
The author’s purpose in writing this essay is probably to write with humor about____________ of growing old.
一些进程相互合作共同完成一项任务,进程之间的这种直接的协同工作关系称为 ______。
The author and his old room-mate George didn’t like the food and the drink of today.
使用SQL Select语句进行分组查询时,有时要求分组满足某个条件时才查询,这时可以用______子句来限定分组。