(
课件网) What’s really green Developing ideas 1. Which shopping bag is more environmentally friendly A plastic bag . A paper bag. Neither of these. Look at the questions about “green living” and tick your answers. 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. 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. expand on: to add details to what you are saying Read the subheadings in the passage and decide if they are true or false. The majority of us take steps to save energy and reduce waste and pollution. But recently, some “green truths” have been shown to be only half true, or even completely false. Why do people think plastic bags are bad for the environment Why are paper bags not good for the environment What kind of bag is a better choice Paper shopping bags are better than plastic ones. Because plastic bags cause litter & are a danger to wild animals, which mistake them for food. And it takes hundreds of years for plastic to break down. Making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water. What`s more, the process also produces more greenhouse gases. A reusable bag is a better choice. × What else can be reused in our daily life shopping bag thermos (保温杯) coffee cup meal box When you turn off a device, it stops using power. Why does the device (设备) still use power when it’s turned off Why is the word “off” put into a quotation mark Because electricity continues to leak(泄露)from the device even when it is turned “off”. Because the appliance (电气设备) is not really off, and it goes into stand-by mode(待机模式)and still uses power. × What can you learn from this “green truth” What else can we do to save energy (electricity or water) We need to remove our cellphone charger (充电器) from the power supply, and also unplug other household appliances, for example, washing machine, television, reading lamp and so on. Eating local food is good for the environment. Why do people think eating local food is better for the environment Why is eating local food not always better for the environment The production of food uses most of the energy and produces most of the greenhouse gases. It seems like common sense: Because it does not need to be transported long distances and kept cold during transport. × It’s better to take a shower than a bath. Why is it not always better to take a shower than a bath It depends on how long you spend in the shower and ... ...
