Television is one of the most commonly seen entertainment
device in people’s daily life. Probably people will never think about it.
However, TV—the most (47) and persuasive of modem
technologies, marked by rapid change and growth—is moving into a new era, an era
of (48) sophistication and versatility, which (49)
to reshape our lives and our world. It is an electronic (50)
of sorts, made possible by the marriage of television and computer
technologies. The word "television", (51)
from its Greek (tele: distant) and Latin (visio: sight) roots, can
(52) be interpreted as sight from a distance. Very simply put,
it works in this way: through a sophisticated system of electronics, television
provides the capability of (53) an image into electronic
impulses, which can be sent (54) a wire or cable. These
impulses, when fed into a receiver (a television set), can then be
electronically reconstituted into that same image. Television is
more than just an electronic system, however. It is a means of expression, as
well as a (55) for communication, and as such becomes a
powerful tool for reaching other human beings. The field of television can be
divided into two categories determined by its means of (56) .
First, there is broadcast television. And second, there is non-broadcast
television.
A) derived
I) operating
B) through
J) literally
C) during
K) pervasive
D) backslide
L) promises
E) revolution
M)
freely
F) extraordinary
N) converting
G) transmission
O) vehicle
H) limited