因为网速增快了，传统的互联网一样可以在手机上显示，用户感受和PC机一样。
参考答案：错
As the years passed, many occasions－birthdays, awards, graduations－ with Dad's flowers. [ ]
A. are marked
B. were marked
C. have marked
D. had marked
企业投资项目的备案，按照属地原则，实行( )备案制。
A．分类 B．分段C．分级 D．分项目
