Television has changed the lifestyle of people in every industrialize 62. ______. country in the world. In the United States, where sociologists have stud- ied the effects, some interesting observations have been made. Television, although not essential, has become an important part of most people’s lives. In many ways, it supports and sustains modem life. Yet when what can be seen on TV in one day is critically analyzed, which becomes evident that television is not a teacher but a sustainer; 63. ______. the poor quality of programming does not elevate (提高) people into greater understanding, but rather maintains and encourages the life as it exists. The primary reason for the lack of quantity in American television is 64. ______. related to both the history of TV programming development and the eco- nomics of TV. Television in America began from the radio. Radio compa- 65. ______. nies and their sponsors first experimented with television. Therefore, the close relationship where the advertisers had with radio programs became 66. ______. the system for American TV. Sponsors not only paid money time within 67. ______. programs, but many actually produced the programs. Thus, in American society, television is primarily concerned with reflecting and attracting society rather than experiment with new ideas. Advertisers want to attract 68. ______. the largest viewing audience possibly. To do so requires that the pro- 69. ______. grams be entertaining rather than educational, attractive rather than chal- lenging. Television in America today remains, in a large extent, with the 70. ______. same organization and standards as they had thirty years ago. The hope for further development and true achievement toward improving society will require for a change in the entire system. 71. ______.