Unit 5 Revealing Nature Developing ideas 课件-2024-2025学年高中英语外研版（2019）选择性必修第一册

The Secret Language of Plants Warm-up Can plants talk? Can you give me some examples? While-reading 02 Fast reading 1. Match the topic sentence to each paragraph 2. The writing style of the passage is ___________ A. Narration B. Argumentation C. Exposition D. Description People’s long-held belief about taliking plants. para1 para2 para3 para4 para5 para6 The research finding of talking plants. Plants’ communication through chemicals. Plants’ communication through sounds. Plants communication through “wood wide web”. Positive antipation. Read paragraph 1: 1.What is people’s long-held belief? 2. How does author show the word “long”? Careful reading By giving examples of ancient times and modern times. Plants can talk. Throughout the history Read paragraph 2: 1.What is the function of this paragraph? Careful reading It serves as a transitional paragraph. from people’s belief to scientific research to prove the belief Read paragraph 3: 1.Why do bean plants release chemicals? Careful reading To warn others or call for help. To repel harmful insects. To attract insects’ natural enemy. To defense implication grow pesticide-free crops Read paragraph 4: 1. How do plants use sound to communicate? Careful reading By making noises with roots and respond to noises from others to know the surrounds and indicate disasters. implication to detect surroundings and predict disasters Read paragraph 5: 1. How does the author introduce “wood wide web”? Careful reading By making comparison with Internet and giving examples. Read paragraph 5: Careful reading Internet Wood Wide Web Links Functions Crime cables & satellites fungi share information share information & even food cybercrime:steal information & attack computers steal food & spread poisons to attack other plants implication to protect plants Post-reading 03 Summary Ask students to complete the diagram. communicate with each other from the leaves release its own, different chemicals with their roots tell if a neighbouring plant is helpful, or unfriendly clicking noises when there is not enough water, indicating drought is arriving. the roots of different plants to each other share information and even food steal food from each other, or spread poisons What’s your understanding of “secret” in the title? post reading Thank you! $$