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

Developing ideas What’s really green? Book 2 Unit 6 Earth first majority false amount device stand-by mode electricity leak appliance n. 多数，大多数 (人或物) adj. 不正确的，错误的 n. 数量，数额 n. 设备，仪器，装置 adj. 备用的 n. (机器、设备的)运行方式， 状态，模式 n. 电 v. (使)漏，(使) 渗漏 n. 家用电器，家用器具 remove plug take ... into account litre campaign urge canteen concerned v. 移走，搬走，去掉 n. (电) 插头 把……考虑进去 n. 升，公升 n. (宣传) 活动 v. 竭力主张,强烈要求，敦促 n. (工厂、学校等的)食堂，餐厅 adj. 焦急的，担忧的 Before reading Look at the questions about “green living” and tick your answers. 1 Which shopping bag is more environmentally friendly?  A plastic 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. 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. Now work in groups and see if other people share your ideas. 1. Paper shopping bags are better than plastic ones. 2. When you turn off a device, it stops using power. 3. Eating local food is good for the environment. 4. It's better to take a shower than a bath. Do you think the following statements are true or false? Now let's read a passage to check your answers. What’s really green? While reading Read and finish the tasks as quickly as possible. Look through the passage and check your answers. Task 1 1. Paper shopping bags are better than plastic ones. 2. When you turn off a device, it stops using power. 3. Eating local food is good for the environment. 4. It's better to take a shower than a bath. Paper bags are not good for the environment. Turning off a device won't stop it from using power. Eating local food isn't always better for the environment. It’s not always better to take a shower than a bath. P68 2 1. Making a paper bag uses more energy and water than making a plastic bag. It also produces more greenhouse gases