湖南省株洲市第四中学高中英语必修4：Unit 1《Section Two Reading》（译林版必修4）同课异构课件 2.ppt

Unit 1 Advertising * * Lead-in: Water protection Sales of Coco Cola learn more about ads Brainstorming advertisements what where why how functions attitudes advantages disadvantages Words-matching 1 persuasive 2 promote 3 intended 4 be aware of 5 cure 6 nationwide 7 schooling 8 committing suicide a sending b able to make someone believe something c meant or planned to do d killing oneself e help a thing or an idea become popular f know or realize g makes an ill person better or solves a problem h happening throughout a country b e c f g h a d Before reading Fast-reading 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. Main idea of each paragraph Para.1 Para.2 Para.3 Para.4 Para.5 Para.6 Brief introduction of ads What is an ad? Untrue claims about products How to identify(辨别) an ad? Public service ads The advice on ads Detailed Reading 1 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. Further Reading not only Not all PSAs What’s the similarities and difference between commercial advertisements and public service advertisements? Post-reading (Consolidation) Commercial ads PSAs Places found Means used billboards, newspapers, magazines, the Internet, radio, television use attractive and original images and creative language Commercial ads PSAs purpose expense believable? examples to promote a product or service to educate people charged free of charge no yes ①② ①②③④ commercials Advertisements PSAs promote charged tricks examples educate free of cha