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课件网) Unit 6 Earth first Developing ideas by Ada Developing ideas 1 Look at the questions about “green living” and tick your answers. 1. Which shopping bag is more environmentally friendly a A plastic bag. b A paper bag. c Neither of these. 2. What should you do to save energy when leaving your home a Turn off a device. b Unplug a device. c Neither of these. 3. What food is better for the environment a Food produced near to where you live. b Food produced far from where you live c It depends. 4. Which uses less water a Taking a bath. b Taking a shower. c It depends. unplug v. 拔去......的插头 Developing ideas 2 Read the four subheading in the passage and decide if they are true or false. Then read the passage and check your answers. 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. . As subheadings expand on the main heading or title, they can be slightly longer than the main heading. Although not every paragraph needs a subheading, they can be skimmed to give the reader an overall understanding of the content of a text. expand on 详细阐述 Developing ideas 3 Read the effects and complete the causes of these according to the passage. 1 Making a paper bag uses more energy than making a plastic bag. It also produces more greenhouse gases. CAUSES Paper bags are not good for the environment. EFFECTS Developing ideas 3 Read the effects and complete the causes of these according to the passage. 2 . . . . . CAUSES Turning off a device won’t stop it from using power. EFFECTS Devices turned off go into stand-by mode and still use power. Developing ideas 3 Read the effects and complete the causes of these according to the passage. 3 . . . . . . CAUSES Eating local food isn’t always better for the environment. EFFECTS Local produce sometimes might use more energy and produce more greenhouse gases than produce grown a long way away -- even taking into account its transportation. Developing ideas 3 Read the effects and complete the causes of these according to the passage. 4 . . . . . CAUSES It’s not always better to take a shower than a bath. EFFECTS 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 Which of the “green truths” surprises you most Give your reasons. Think share Developing ideas When you turn off a device, it stops using power. Usually I just turn off my television before going out, thinking it a safe and green way. I don’t know it’s still a waste of energy. 2 Are you aware of any other “green truth” that are not true Share them with the class. Think share Developing ideas Bike-sharing is a green method of transportation and provides a user-friendly experience. On the other side, it causes the energy wasted when thrown away on the roadside. 3 How “green” ... ...
