Unit 2 Integrated skills 课件-2022-2023学年高中英语牛津译林版（2020）选修第一册

*pest downside *bee *the pros and cons n. 害虫；讨厌的人（或物） n. 缺点，不利方面 n. 蜜蜂 事物的利与弊 B8U 2 Working the land Integrated skills Comparing chemical farming and organic farming Chemical farming is farming using chemical pesticides and artificial fertilisers. Organic farming is simply farming without using any chemicals. Reading Sarah is doing research on farming in order to write an article for the Farm to School Week. She has found a website article about chemical farming. P22 A Read the article below and answer the following questions. 1. Why do farmers use chemicals? ___________________________ ___________________________ ___________________________ 2. What are the disadvantages of using chemicals in farming? ___________________________ ___________________________ ___________________________ ___________________________ Possible answer: The fact is that chemicals work faster than organic products. Possible answer: They will pollute the environment, they also affect all living organisms. Analysis of the structure Introduction Advantages Disadvantages Conclusion Listening Sarah is interviewing a farmer about organic farming. Listen and finish the following exercises. B1 Listen to the interview and choose the best answer. Circle the letters of the correct options. P23 1. Why do organic crops taste better? a They recycle animal waste. b They reduce chemicals. c They produce more natural, healthy compounds. 2. What happens when soil microorganisms break down organic materials? a Pests are killed. b Nutrients go into the soil. c Animal habitats are safely maintained. 3. How does Sarah feel about the interview? a She is glad that she has learnt a lot from the interview. b She is worried that organic farming might affect crop yields. c She is grateful to Mr Zhao for his efforts at organic farming. B2 Listen to the interview again and complete the notes below. P23