Computers have circuits for performing arithmetic operations,such as ()
A.addition
B.subtraction
C.division
D.multiplication
A.addition
B.subtraction
C.division
D.multiplication
第1题
______any computers in your office?
A. Are there
B. Is there
C. Have there
第2题
Computers are not the only capital _____ that have a payoff.
A、goods
B、 good
C、 merchandise
D、 commodities
第3题
Without electronic computers, much of today's advanced technology ______ achieved.
A.will not be B.would not be
C.would not have been D.cannot have been
第5题
As far as ______ is concerned, computers have made a rapid growth in the last decade.
A.versatility
B.capacity
C.efficiency
D.All of the above.
第6题
It is time we()computers to the production of iron and steel.
A. will apply
B. applied
C. have applied
D. would have applied
第7题
A.developed
B.have developed
C.are being developed
D.will have developed
第8题
Without computers, we ______ the tremendous medical advancement in the last few decades.
A.would not make
B.will not have made
C.could not make
D.couldn't have made
第9题
Since tablet computers and smart phones have()interface, many people believe that all home and business computers will eventually have this kind of interface too.
A.CRTB.LEDC.Touch-screenD.Large screen
第10题
A.there are
B.there has been
C.there were
D.we have
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