Advertising has become increasingly specialized in modern times. In today’s business world, supply usually outnumbers demand. There is great competition among differentmanufacturers of the same kind of product to attract customers to their product. They always have to remind the consumer of the name and the qualities of their product. They do this by advertising. The manufacturers advertise in the newspapers and on posters. They sometimes pay for songs about their product in commercial radio programs. They employ attractive salesgirls to distribute samples. They organizes competitions, with prizes for the winners. They often advertise on the screens of local cinemas. Most important of all, in countries that have television, they have advertisements put into programs that will accept them. Manufacturers often spend large sums of money on advertisements. Sometimes they even spend more on ads than on the products themselves. We usually think so because of the advertisements that say so. Some people never pause to ask themselves if the advertisements are telling the truth.

　　1.A 2.C 3.B 4.D 5.D