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外研版(2019)必修第二册Unit 6 Earth first Developing ideas 课件(共27张PPT)

日期:2024-05-17 科目:英语 类型:高中课件 查看:32次 大小:4001326Byte 来源:二一课件通
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(课件网) What’s really green Common sense truth V.S. ideas that most people believe is right the true fact about sth What’s really green environmentally friendly Read the four subheadings in the passage and decide if they are true or false. 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. Paper shopping bags are better than plastic ones. ? 1. Why do people think paper bags are better 2. Is it true Why 3. What is advised in the passage when you go shopping 1. Which shopping bag is more environmentally friendly □ A plastic bag. □ A paper bag. □ Neither of these. When you turn off a device, it stops using power. ? 1. Is it true Why Off On stand by mode still use power electricity continues to leak from the device causes effects remove the plug from its power supply causes 2. What should you do to save energy when leaving your home □ Turn off a device. □ Unplug a device. □ Neither of these. Eating local food is good for the environment. ? 1. Is it true 2. Which word give us a hint It is the production of food, not its transport, that uses most of energy and produces most of the greenhouse gases. 3. What food is better for the environment □ Food produced near to where you live. □ Food produced far from where you live. □ It depends. It’s better to take a shower than a bath. ? 1. Is it true 2. What is advised in the passage 4. Which uses less water □ Taking a bath. □ Taking a shower. □ It depends. Most of us are aware that... But... Environmental awareness is... But... It’s worth checking common ideas and opinions to see what’s really green. Next Are you aware of any other “green truths” that are not true What can you do to become “greener” Thanks Language Points 1. It takes hundreds of years for plastic to break down, but much less time for paper. break down if a substance breaks down or is broken down into parts, it separates into the parts that it is made up of 分解,分化 e.g. After many years, rocks break down into dirt. Food is broken down in the stomach. The plan was good, but it broke down, because people were unwilling to cooperate. We are sorry to arrive late, but the car broke down. Your health will break down if you work too hard. The young woman broke down in tears. (计划、谈判等)失败 (机器、车辆等)坏了 (身体)垮了 感情失控(痛哭起来) 【语境应用】翻译句子。 1) 电梯坏了,我们不得不走楼梯。 The lift breaks down, so we have to walk up the stairs. 2) 他听到这个消息时不禁痛哭起来。 He breaks down when he hears the news. 2. However, making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water. 动词-ing短语making a paper bag作主语,谓语动词用单数形式。 倍数表达法,结构为:倍数+as much+不可数名词+as+其他 常见的倍数表达法 ... ...

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