中职英语第二册unit9-Nature--lesson1-4.ppt

Bye-bye ! 2021/3/27 * Review the words and phrases: 污染 pollution 植物 绿色植物对我们有益处。 环境 我们应该保护环境免受污染。 保护 有帮助的 废弃物 垃圾箱 把废弃物扔进垃圾箱 对待 他们把狗当成家庭一员。 environment protect We should protect the environment from pollution. plant helpful Green plants are helpful to us. waste dustbin Throw the waste into dustbins. treat They treat the dog as a member of the family. 2021/3/27 * Unit 9 Nature Lesson 2 Green plants are helpful to us 2021/3/27 * Learning objectives: Knowledge objectives （知识目标）: Ability objectives（能力目标）: Moral objectives（情感目标）: Talk about plants and environmental problems in a simple way （学会简单谈论植物与环境问题） Recognize attributive clause starting with when/where/why （识别关系副词引导的定语从句） Understand the short dialogues about green plants.（明白关于绿色植物的简单对话） Talk about green plants using how do you like../ what’s your point…（谈论绿色植物） Make students realize the importance of green plants. （认识到绿色植物的重要性） Lead students to protect our environment.（保护环境） 2021/3/27 * 2021/3/27 * 2021/3/27 * 2021/3/27 * Shall we shoot the sun with an arrow? Why or why not? Do you know the usefulness of the green plants? Why are the green plants helpful to us? No, because most of the energy on the earth comes from the sun. Yes, green plants can use the sun’s energy directly. The leaves can absorb sunlight and produce energy. Read and answer 2021/3/27 * the importance of green plants Clean the air absorb carbon dioxide and release oxygen during photosynthesis(光合作用） protect the air around us from pollution help us solve the problem of global warming 2021/3/27 * Challenge yourself It’s your time to think about “how to talk about environmental problems”. Can you make a dialogue with your partner? What do you think of air pollution? It’s getting more and more serious. How can we protect the air from pollution? We should plant more trees and grass. A: B: A: B: A: … B: … 2021/3/27 * Everyone has the responsibility to