【简答题】Computers have been designed to ( ) information and ( ) problems.
【单选题】The home computer industry has been growing rapidly in the United States for the last ten years . Computers used to be large, expensive machines that were very difficult to use . But scientists and te...
B.
be large and expensive
【单选题】执行PUSH ACC指令,MCS—51完成的操作是( )
【单选题】Before he arrived at the airport, the plane______.
【判断题】监视、测量回路的作用是监视、测量一次设备的工作状态。
【判断题】乔峰的悲剧包含着家国矛盾的悲剧、个人情感的悲剧、命运的悲剧。
【判断题】乔峰的悲剧包含着家国矛盾的悲剧、个人情感的悲剧、命运的悲剧。
【单选题】Computers have been taught to act and speak, but the problem is how to【C1】______them to listen --to understand spoken words.【C2】______speech recognition systems have been used by workers who need to e...
【单选题】Computers have been getting more popular because______ .
B.
they can help Americans do everything
C.
the Americans want to appear rich
D.
they are smaller, cheaper and easier to use