根据短文内容，从下框的A—F选项中选出能概括每一段主题的最佳选项，并在答题卡上将该选项涂黑。选项中有一项为多余选项。
Advertising is a highly developed twentieth-century industry．The development of radio, television, cinema, magazines and newspapers has gone hand in hand with the development of advertising．Why is advertising so popular? Is it a waste of money? It has been proved again and again that repeated advertising increases product sales．Since it increases production, the price can be reduced．Therefore advertising, instead of making a product more expensive, makes it cheaper． 小题2:______________________ What can you advertise ? You can advertise products of all kinds, such as shoes or umbrellas, or services like car repairs and travel．In Europe and USA political leaders often use recorded TV advertisements to persuade people to vote for them．Besides broadcast advertisements on radio and TV, there are other ways to advertise : cinemas,magazines and newspapers, for example．Large boards can be used for printed posters,especially near main roads．A sign outside or inside a shop is a form of advertising．Balloons and light planes can be used to pull huge signs as they fly slowly over a city． 小题3:________________ Advertising is now a scientific business．Once managers would say jokingly, " I know that half of what I spend on advertising is wasted, but I don't know which half．" Now, all parts of an advertising programme are properly measured and researched． 小题4:_________________ How are advertisements made? A company goes to an advertising firm to discuss the advertising of its product．The firm collects as much information as possible about product and the consumers who might buy it．The person at the advertising firm in charge of the matter then holds a meeting．Also present will be a person who thinks up an idea for an advertisement, and a person who will buy space in the newspapers or time on TV．There will be a writer writing the text for the advertisement and a designer who will design it, using pictures or photographs or the text． 小题5:_________________ When the advertisement is ready, it is shown to the company．If the company agrees, they may try it out in a small part of the country to see if product sales increases as a result of the advertisement．If they do, then it will be used throughout the country．If the advertisement fails, the whole program will be reviewed．Researchers will go out and interview possibles customers to find out the reasons for this failure． |