What did you watch just now?What do they persuade people to do?Support the fight against AIDSUnit 4 Readinglearning aims1 to learn some basic knowledge about ads 2 How to read expository writingStep One Lead inStart Ahead. Sales for computers. Taking drugs means committing suicide slowly.Try to divide them into two parts.Ads for public issuesAds for sales Project HopeSay ‘No’ to drugsshampoocomputerpublic service advertisementscommercial advertisementsStep Two Reading strategy1 What is expository writing?Expository writing is meant to introduce you basic information on a topic.2 What kind of format does it usually follow? It usually follows the same basic format: introduction of subject, supporting details, conclusionDiscuss the structure of the textintroduction of advertisementscommercial and public service adsauthor’s opinions/suggestionsPara1Para2-5Para6Step ThreeFast readingTo 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.Step FourReading for details Task 1 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?Because although the ads do not lie, they do not tell you the complete truth...
