原型法的主要优点是允许______。
参考答案：用户在系统开发过程中完善其对系统的需求
He was reading a novel ________ the story reminded him of ________ he had seen during the last war.
A．when, what
B．that, what
C．whose, that
D．while, which
下列关于Windows 98的叙述中，错误的是( )。
A． 可从Windows 95升级到Windows 98
B． 可安装FAT16文件系统
C． 可安装FAT32文件系统
D． 可安装NT16文件系统
