Unit 5 A delicate world Period 3 Listening and speaking 学案 -2023-2024学年高二英语外研版（2019）选择性必修第二册

Unit 5 Period 3 Listening and Speaking 【学习目标】 Learning Objectives 1 To acquire words and expressions related to ecosystems and use them in talking about the relationships between the living things 2 To listen for the information about honey bees and use expressions expressing and responding to doubt to talk about the importance of a living thing to ecosystem 【学习过程】 Learning activities 目标一: To acquire words and expressions related to ecosystems and use them in talking about the relationships between the living things Activity 1: Look at the diagram and answer the questions. Pay attention to the words and expressions in bold. 1 What does the diagram show? 2 What are the relationships between the living things? Answers: ______________________________________________________________________________ ______________________________________________________________________________ Activity 2: Discuss in groups about the meaning of the words and phrases in bold. absorb:_________________________________________________________________________ dissolve nutrients:________________________________________________________________ rely on:________________________________________________________________________ provide energy:__________________________________________________________________ feed on:________________________________________________________________________ prey on:________________________________________________________________________ break down:_____________________________________________________________________ release:________________________________________________________________________ Activity 3:Complete the passage with the correct form of the words and expressions. In a woodland ecosystem, trees and other plants are producers. They 1______________ water and take in nutrients from the soil and energy from the sun. Insects are an example of a primary consumer. They 2______________ the producers to provide food for them, and are 3______________ by sec