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

Look at the pictures and tick what plants can do. attack breathe eat sleep move speak steal think Talk about what else you think plants can do. Now read the passage and learn more secrets of plants. Read the passage and find out the ways in which plants communicate. They may communicate with each other by using chemicals, sound and “wood wide web”. P56 2 Organise information from the passage and 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 talking plants Read paragraph1&2 Fill in the blanks. in myth stories in scientists' opinion ＊They're a thing of ________and_________. ＊They can give _______ as well as ________. ＊They can communicate with _________ and ___________in the film Avatar . myth legends advice warnings animals people New research has revealed something amazing: it appears that ______________________ ___________. plants can communicate after all chemicals insects another plant wasps different chemicals Read paragraph 3 What happens when a bean plant gets attacked by insects? attack releases detects releases drive away attract kill How many ways do plants use sound to communicate? Three: 1. Some plants make noises with their roots. 2. Some plants listen to the noises from other plants. 3. Some trees make clicking noises when there is not enough water,indicating drought is arriving. Read paragraph 4 Answer the question. wood wide web cybercrime firewall A system in a forest where communication can link nearly every plant. Plants can steal food from each other, or spread poisons to attack other plants. Within the wood wide web it can help prevent the attacks. Read paragraph 5 Explain the words or give examples of the words. Discussion 10 Think & Share. P 58 1. What figure of speech is being used when the plants are described as calling for help? What is its function? 2. What does “wood wide web” mean? Possible answers! Personification. It can make descriptions more vivid. Learning to learn. Personification means giving human characteristics to something that is not human. By using human characteristics to describe an object, animal or even a place, personification can make descriptions more vivid. 1. What figure of speech is being used when the plants are described as calling for help? What is its function? Think & Share. P 58 2. What does “wood wide web” mean? It means an amazing system of communication that can link nearly every plant in a forest. It is linked underground by fungi and this fungal network links the roots of different plants to each other. Using the wood wide web, plants can share information and even food with each other. $$