Unit 1 reading Quick look Take a quick look at the title and subtitles( 副题 ) in the article to find out what you will learn in it. Fast reading (skimming)1) What do advertisements encourage people to do?2) What does PSAs stand for?3) What are PSAs meant to do? To buy a product or service or believe in an idea.Public Service Advertisements.To educate people about health, safety or any other issue which affects public welfare.Detailed-reading1 Where are the advertisements most commonly found?2 What is the difference between commercial advertisements and PSAs?They are most commonly found in newspapers and magazines, on billboards, the Internet, radio and TV. A commercial advertisement is one which someone had paid for to promote a product or service, while a PSA is often placed for free, and is intended to educate people about issues which affect public welfare.3 Why are some of the ads clever according to the article?4 When did China begin a nationwide public service advertising campaign?5 Why should we follow the advice in PSAs?Because although the ads do not lie, they do not tell you the complete truth.In 1996.Because they are meant to be helpful , and by following the advice in PSAs,we can often learn a lot. T /F1 Advertisements are found in many places.2 PSAs are only found in newspapers.3 All advertisements tell the complete truth.4 PSAs and commercial ads use some of the same methods.5 Commercial ads can give us valuable information about how to live our lives.6 An ad warning people against smoking is an example of a PSA.Task Twonot onlyNot allPSAs Careful-reading Please read the article carefully and then try to find some information about commercial ads and public service ...