The invention of the computer ________ business procedure.A.radicalizedB.revisedC.reviewed
The invention of the computer ________ business procedure.
A.radicalized
B.revised
C.reviewed
D.revolutionized
The invention of the computer ________ business procedure.
A.radicalized
B.revised
C.reviewed
D.revolutionized
A.The invention of machines.
B.The invention of the alphabet.
C.The invention of rockets.
D.The invention of agriculture.
The grant of a patent on an important invention is a great social event.
A.Y
B.N
C.NG
To protect his new invention,______(我叔叔申请了专利).
Why was the invention of the TV remote important according to the passage?
A.Because it enabled ordinary people to control media to some extent.
B.Because it made more cable TV channels available to people.
C.Because it led to the invention of Internet in the 1990s.
D.Because it made life easier for couch potatoes.
What is the underlying significance of the invention of the Kodak?
A.It marked the beginning of manufacturing small cameras.
B.It met the need of photographers in America and Europe.
C.It made picture-taking suddenly popular among ordinary people.
D.It made the work of professionals more enjoyable.
Which of the following is TRUE according to the passage?
A.When a patent becomes out of effect, it can be repatented or extended if necessary.
B.It is necessary for an inventor to apply for a patent before he makes his invention public.
C.A patent holder must publicize the details of his invention when its legal period is over.
D.One can get all the details of a patented invention from a library attached to the patent office.
According to this passage, a Soul Catcher will be ______.
A.a new invention in order to capture and preserve human thoughts
B.made by British scientists to offer a semblance of immortality
C.made of silicon circuits which can index people's nervous activity
D.a new machine on which radical research measures have already made