[填空题]
Surfing is a thrilling and dangerous activity in which a
person
balances on a board and rides the surface of a big, crash ocean wave.
62. ______.
Channel surfing is a bit
different. In this activity a person sits on a couch
and pushes
the button of a television remote-control devices many times a
minute check and recheck all the channels. In the United
States, channel 63. ______.
surfing is by far the
more popular sport. When television first replaced
radio, in the 1950s. channel surfing was known. Back then, there were
64. ______.
only a few stations. Viewers
had their favorite shows and watched it
65. ______.
devotedly all the way through. In fact, studies showed that
when a family
sat down to watch a favorite
program at 7 p. m. , they stayed with the
same channel rest of the evening. With the coming of the cable
television. 66