Unit 6 Developing ideas The Secret language of Plants课件 2021-2022学年外研版（2019）高中英语选择性必修第一册

The Secret Language of Plants 1 What is the plant doing? It is protecting itself from insects. It can catch insects. It can shut its leaves when touched. It can sow its own seeds. Flytrap(捕蝇草) mimosa(含羞草) pea 3 How do plants communicate with each other? 4 They may communicate with each other by using___________, _________and_______________. chemicals sound “wood wide web” 5 chemicals chemicals chemicals detect chemicals chemicals What are the benefits of this discovery for us humans? 6 What kind of rhetoric is used here “I’m being attacked.” What figure of speech(描写手法) is used here? Personification It can make descriptions more vivid. 7 What kind of rhetoric is used here 1.Talking plants have long been a thing of myths and legends. Find out the sentences with personification 2. Many cultures have stories of talking trees that give advice as well as warnings to people. 3. This is like a warning, or a call for help: “I’m being attacked!” When another bean plant detects the chemicals from its injured neighbour, it starts to release its own, different chemicals. 4. Some of these chemicals drive insects away. Others attract insects—the wasps! 8 1. Can we humans hear these sounds？ 2. How do plants make sounds？ 9 “wood wide web” 1. What is wood wide web? 2. How is the web linked? 3. What are the advantages and disadvantages? 10 Think & Share 1 What do you think are the benefits of studying plant communication? It will help us know more about the world of plants and then get a better understanding of the secret of nature and encourage us to explore more about the mysterious nature. What’s more, it will teach us an important lesson, that is, human should live in harmony with mother nature. And it is our responsibility to fulfill the mission. 11 2. What discoveries are described in the two reading passages in this unit and what do their meanings have in common? Revealing nature A Journey of Discovery The Secret Language of Plants reveals the secret