The computer, () is a 20th century invention, has created startling technological changes in the way we organize and produce information.
A.that
B.which
C.what
D.it
B、which
A.that
B.which
C.what
D.it
B、which
A.A.cell phones
B.B.computers
C.C.cell phone and computer
D.D.mobile phone and computer
k)
A.this, learn
B.it, learn
C.this, to learn
D.it, to learn
It suddenly______to me that we could use a computer to do the job.
A.happened
B.occurred
C.agreed
D.presented
With all its advantages, the computer is by no means without its ().
A.boundaries
B.restraints
C.confinements
D.limitations
later.
B.About one month with the word processor first, and a two-month, part-time period with the computer use.
C.About two months with computer first, and a one-month, part-time period with the word processor later.
D.About a two-month, part-time period with the word processor and computer.
A.It will act as a computer as well.
B.It will do away with stereo equipment.
C.It will provide a better picture.
D.It will replace transistors.
In computer programming, this model is ____ to any of the others we have ever had
A.more superior
B.the more superior
C.the most superior
D.superior
A.make a comparison
B.introduce a new design
C.explain a new computer
D.advance a new idea