Enjoy a very interesting video, please. Does it have an interesting impression on you, boys and girls? After learning “Welcome to the unit”, we know ads are a kind of poster that makes us want to buy a product or a service. When you see a clever advertisement in a newspaper, do you say to yourself, "Ah, that's good. I'd like to have one of those?" Or do you say, "What lies are they telling this time? Advertisements can be extremely useful and persuasive if they are honest; if you have broken your pen and you want to buy another, you may want to look at as many advertisements for pens as you can find. That will help you to choose the model, color and price that you are satisfied with. But do you know any basic adverti sing knowledge? There are two basic types of advertisements. What are they? (commercial advertisements and public service advertisements-PSAs ) Today, we’ll learn something about advertisements. Please answer the following questions.

1.        Where can you find the advertisements?