企业信息系统建设中,下述( )是系统建设的基础。
A.网络
B.硬件
C.软件
D.数据
参考答案:A
写出下面小数分别保留三位小数后的近似值。
3.285285…≈( ) 0.42525…≈( )
8.5666…≈( ) 7.34593459…≈( )
It is becoming more and more difficult to ____ the problems of traffic in some big cities of our country.[ ]
A. deal with
B. set up
C. put away
D. break down