六、听材料，回答17-20题。第17题：
举一反三
- 听第9段材料，回答14至17题；第14题：
- 听第10段材料，回答第17至20题 When do parents and children like going to the Plaza Leon A: Saturday nights. B: Sunday afternoons. C: Fridays and Saturdays.
- 听第10段材料，回答第17～20题。 What is the purpose of the woman’s talk A: [A] Encouraging people to ask questions B: Giving an introduction to her speech. C: Discussing problems in learning
- 听第10段材料，回答第17至20题 What do we know about the Plaza Leon A: it’s new building. B: it’s a small town. C: it’s public place.
- 17-18题第17题：