Unit 4 A glimpse of the future Listening and Speaking课件 2023-2024学年高二英语外研版（2019）选择性必修第三册

Unit 4 Period 3 Listening and Speaking 新 课 导 入 Time travel could result in a paradox – an event that contradicts itself. For example, if a person travelled back in time and prevented an event, that event would never have happened; there would therefore be no reason for the person to travel back in time to prevent it. Did You Know? 课 堂 学 习 1 Listen to the conversation and choose its main idea. 1 Time travel is dangerous. 2 Talking to people in the past can change the future. 3 Anything you say or do in the past can affect the future. 4 Time travel within your own lifetime should be avoided. 2 Listen again and complete the table. RULE 1 1__________________________________________________ • A tourist wants to 2__________________________________________ because 3__________________________________________________. • The guide told her 4__________________________________________ __________________________________________________________. RULE 2 5___________________________________________________ • The guide said that 6_________________________________________ _________________________________________________________. RULE 3 7__________________________________________________ • A tourist wants to 8__________________________________________ ___________________________________________________________. • The guide told him not to because 9_____________________________ ___________________________________________________________. Answers: 1. Don’t talk to anybody. 2. tell her 8-year-old self to buy shares in companies that are profitable today 3. she wants to become rich 4. not to do that 5. Be careful not to break anything. 6. breaking something could also cause a paradox and change your path through life 7. Never give anything from our time to someone in the past. 8. give a present to his father 9. anything that doesn’t belong to that time might have an impac