Programming is not a simple thing; it ______ a lot of advanced knowledge of mathematics and computer science.

[单选题]Sam _____ some knowledge of the computer just by watching others working on it.A． brought upB． looked upC． picked upD． set up

[单选题] Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is （73）in computer systems.（73）A．uselessB．not importantC．simple but importantD．too si

[单选题]Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is(73)in computer systems.A．uselessB．not importantC．simple but importantD．too simple t

He _ at the computer screen, wondering where his programming error was.A. peered

You __________ all those calculations! We have a computer to do that sort of thi

My job as a research assistant is very specialized_____, which demands a lot of

[单选题]You __________ all those calculations! We have a computer to do that sort o

One day Mr.and Mrs.White go shopping by car.They stop their car near a store.The

[单选题]So little ______ about mathematics that the lecture was completely beyond me.A． I knowB． I knewC． did I knowD． do I know

[单选题]Mathematics ______ study or science of numbers.A.isB.areC.wasD.were