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, an