It is very difficult to find a public place without advertisement now. We can 1 them in the newspaper, on the television, and hear them over the radio. 2 when we watch a ball game, ads will meet our eyes. It is true that in the activities of business ads are 3 a more and more important. They tell people about new products and help more in 4 . This is a big advantage. 5 , ads also bring people many kinds of disadvantages. For example, some of the manufacturers( 业主), in their hope to win a big 6 for their products, are even so dishonest that they don ’ t 7 about their products. When you are watching an interesting TV play, it is suddenly 8 by some ads and they are appearing in the screen. All above, people may get tired of ads. Also some ads 9 children, and they ask their parents to buy them something unnecessary in the ads. From this point, ads 10 have some disadvantages.