3．
A．director
B．person
C．company
D．computer
1.oclcfirstsearch系统中,输入检索词“computer*”表示要求查出文献中含有如下特征的单词()。A.computer词干后允许有任意多个单词B.computer词干后允许有任意多个字母C.computer词干后允许有一个字母D.computer词干后允许有一个单词
2.In software engineering the design phase is divided into ( ). A.system design and detailed designB.computer design and program designC.system design and hardware designD.computer design and detailed design
3.Without（）, supply chain management doesn’t work.A、A Logistics information system B、B.cable C、C.Internet D、D.computer
4.（ ）is the key element for the whole society.A.Keyboard B.Information C.CPU D.Computer
