铁钦纳将经验分为()和()。
参考答案:独立经验;依存经验
It is ___ the customers' needs that has made chain stores so popular in big cities in China. [ ]
A. meeting
B. met
C. to have met
D. being met
Pentium微处理器为了支持多用户、多任务操作,提供了4个特权级。操作系统核心程序和用户程序的特权级分别是______。
A.0级和1级
B.1级和2级
C.2级和3级
D.0级和3级