(课件网) Unit 6 外研版（2019） 英语 必修二 Developing ideas (Reading) Earth first 01 02 03 04 Lead-in Pre-reading While-reading Post-reading 01 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. √ √ √ √ Look at the questions about “green living” and tick your answers. 01 Lead-in Read the four subheadings in the passage and decide if they are true or false. Then read the passage and check your answers. □ Learning to learn 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. 02 Pre-reading or even completely _____. What’s the main idea of the passage “green truths” It discusses some common _____ which have been shown to be _____ false Skimming 03 While-reading Read the effects and complete the causes of these according to the passage. 1 Making a paper bag uses more energy and water than making a plastic bag. It also produces more greenhouse gases. Paper bags are not good for the environment. 2 3 4 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. Devices turned off go into stand-by mode and still use power. Local produce sometimes might use more energy and produce more greenhouse gases than produce grown a long way away—even taking into account its transport. 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. 03 While-reading 1 Which of the “green truths” surprises you most Give your reasons. 2 Are you aware of any other “green truths” that are not true Share them with the class. 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 know it’s still a waste of energy. Bike-sharing is a green method of transportation and provides a user-friendly experience. However，it causes the energy to be wasted if the bikes are thrown away by the roadside. Think & Share 04 Post-reading 3 How “green” are you Share your “green actions” with the class. 4 What can you do to become “greener” I usually try to save energy and water in my daily life. For example，I always turn off the lights when I leave a room. I walk or ride a bike instead of taking a bus or a taxi. I take ... ...
