【简答题】从资源管理的角度看,操作系统具有四大功能:( 1 )、( 2 )、( 3 )和( 4 );而为了方便用户,操作系统还必须提供友好的接口。
【单选题】He desperately____ money.
【单选题】Why is the man selling his books?
A.
He desperately needs the money.
B.
Reading doesn't interest him.
C.
He's finished using them.
D.
He'd rather have cheaper books.
【判断题】隔离法灭火是通过隔离与着火物质相近的可燃物质从而进行灭火。
【简答题】从资源管理的角度看,操作系统具有四大功能:(_)、(_)、(_)、(_);为了方便用户,操作系统还必须提供(_)。
【单选题】导游人员应具有的独立工作能力不包括( )
【单选题】He says that we desperately lack some resources. ______.
A.
This is true for oil, as it is true for water.
B.
This is true of oil, as it is true of water.
C.
This is true for oil, as is true for water.
D.
This is true of oil, as true of water.
【简答题】从资源管理的角度看,操作系统具有四大功能:()、()、()和();而为了方便用户,操作系统还必须提供()。
【单选题】605导游员应具有的独立工作能力,不包括