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. ______. dozens of channels now offer a great variety of featured films, situation 67. ______. comedies, news, weather, talk, science shows, documentaries, and advertising. Facing with so many choices, viewers often become quiet and 68. ______. feel a need to check, in all the other stations. 69. ______. Some studies show that men m a unique U.S. household usually want 70. ______. to hold the remote control and surf the channel: women usually like to choose one program and watch through. 71. ______.