Unit 6 Earth First Developing ideas 导学案-2023-2024学年高中英语外研版（2019）必修第二册

Book 2 Unit6 —Developing Ideas What’s really green? Learning Objectives（学习目标）: At the end of this period, you will be able to: 1. get the main idea of this passage by skimming; 2. find out what really green is and be clear about the causes and effects; 3. be aware what we can do to become greener. Ⅰ. Preparation (课前准备：课文重点短语) 1. __________________________ 意识到 2. __________________________ 采取措施做… 3. __________________________ 把A 误认为B 4. ____________________ 分解 5. _____________________ 从…..移走 6. ______________________ 常识 7. _______________________ 在某些情况下 8. ________________________ 把..考虑在内 Ⅱ. Lead in--Useful sentences 1. Most of us are aware that we must _____________________the environment, and _____________ of us take steps to save energy and reduce waste and pollution. 我们大部分人都意识到要保护环境，也采取了各种行动节约能源，减少浪费和污染。 2. Plastic bags cause litter and are a danger to wild animals, which _____________ them _________ food. 塑料袋会变成垃圾，被野生动物误食后会被其造成伤害。 3. It is the production of food, not its transport,____________ uses most of the energy and produces most of the greenhouse gases. 相比于运输，食物的生产过程才是消耗大部分能源及产生大部分温室气体的原因。 4. But it’s worth_________________ and opinions to see what’s really green. 但我们仍需仔细辨别我们已经习以为常的理念和观点中哪些才是真正“绿色环保”的。 Quiz：Choose the right answer 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. Task 1: Task 2 : Read the effects and complete the causes (P92) Think and share 1.Which of the “green truths” surprise s you most? Give your reasons. 2. Are you aware of any other “green truth” that are not true? Share th