Unit 6 Developing ideas 课件-2022-2023学年高中英语外研版（2019）必修第二册

Learning Objectives 1. To have a general knowledge of what's really green in our daily life. 2. To learn the role and function of subheadings. 3. To learn some key words and expressions in this lesson. What’s green lifestyle? How much do you know about green lifestyle? Resource conservation and pollution reduction 节约资源，减少污染； Green consumption and green purchase绿色消费，环保选购； Repeated use重复使用，多次利用； Recycling分类回收，循环再生； Look at the questions about “green living” and tick your answers. 1. Which shopping bag is more environmentally friendly? □ A plastic塑料的 bag. □ A paper bag. □ Neither of these. 2. What should you do to save energy when leaving your home? □ Turn off a device. □ Unplug a device. □ Neither of these. 拔掉……的电源插头 plug n. (电)插头 v. 用插头接通电源 关掉 turn on 3. What food is better for the environment? □ Food produced near to where you live. □ Food produced far from where you live. □ It depends. 4. Which uses less water? □ Taking a bath. □ Taking a shower. □ It depends. What’s really green? Paper shopping bags are better than plastic ones. When you turn off a device, it stops using power. Eating local food is good for the environment. It’s better to take a shower than a bath. Read the passage and check your answers. Subheading 1 Paper shopping bags are better than plastic ones. Subheading 2 When you turn off a device, it stops using power. Subheading 3 Eating local food is good for the environment. Subheading 4 It's better to take a shower than a bath. F F It depends. It depends. Devices turned off go into stand-by mode and still use power. Local produce might use more energy and produce more green-house gases. If you spend more than eight minutes in a shower, you'll use as much water as in a bath - about 50 litres of water. 1. Various answers are possible. When you turn off a device，it stops using power. Usually I just turn off my television before going out，thinking it is a safe and green way. I don’t kn