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summarize Answers C1 1. They are most monly found in newspapers and magazines, on billboards, the Inter, radio and television. 2. A mercial advertisement is one which someone has paid for to promote a product or service, while a public service advertisement is often placed for free, and is intended to educate people about issues which affect public welfare. 3. Because although the advertisements do not lie, they do not tell you the plete truth. 4. In 1996. 5. Because PSAs are meant to be helpful, and following the advice in PSAs, we can often learn a lot. the differences and similarities between the two types of advertisements and fill in the following chart. Types of ads Similarities Differences Examples Places found Methods used Purposes Validity Commercial ads Billboards, newspapers, magazines, the Inter, radio, television Persuasive language, exciting images To promote a product or service They do not tell you the plete truth. ‘ Brightteeth fights bad breath!’ ‘ You are proud of your cooking, so shouldn’ t you buy the very freshest food?’ PSAs To educate people about health, safety or any other issue which affects public welfare They are helpful and we can learn a lot by following the advice they give. ‘ Yes to life, no to drugs’ ‘ Knowledge changes life’ ‘ Pr oject Hopeschooling every child’ ‘ Smoking is mitting suicide slowly’ 3. Complete Part D (Refer to the text while plete Part D) Answers D 1 b 2 e 3 c 4 f 5 g 6 h 7 a 8 d 4. Now let’ s e to part E. It’ s an that the author of the article writes to thank a profess