Tham khảo tài liệu 'the complete guide to the toefl test part 43', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Lesson 9 Main-Topic and Main-Purpose Questions 269 Listen to a discussion in an economics class. Q Economics Listening Notes Now get ready to answer the question. You may use your notes to help you. 4. What is the main purpose of this discussion O To compare regressive and progressive taxes O To explain the need for a new sales tax O To discuss the concept of income tax O To contrast direct and indirect taxation 270 Section 2 Guide to Listening Listen to a discussion in an art class. Q Art Edward Hopper Nighthawks The House by the Railroad Film Noir 1 - Notes Now get ready to answer the question. You may use your notes to help you. 5. What is the main topic of this discussion O Edward Hopper s early career as a commercial artist O A style of moviemaking called film noir O Edward Hopper s realistic bleak style of painting O Edward Hopper s influence on other painters Lesson 9 Main-Topic and Main-Purpose Questions 271 Listen to a discussion in an advertising class. Q Advertising Notes Now get ready to answer the question. You may use your notes to help you. 6. What is the class mainly discussing O Government regulation and self-regulation in the advertising industry O A court decision that affected advertising for children in Sweden O The problems that a ban on advertising caused the tobacco industry O A negative advertising campaign designed to prevent people from .