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课件网) Lesson 4 Global warming自主学习 Unit 8 Protecting the environment 1 Read the questions and give your answers. A What problems do you think our environment is facing now B Do you think these problems are related to human activities I think our environment is facing many serious problems now, such as air pollution, deforestation, climate change. Yes, I think most of these problems are caused by human activities. For example, air pollution is caused by factories, cars, and burning fossil fuels like coal and oil. 2 Read the passage and write true (T) or false (F). The earth is getting hotter. We call it global warming. What makes this happen People burn things like gas, oil, and coal. They cut down trees and create a lot of waste. These are major reasons for global warming. 思考：Do you know what else can cause global warming The farming and the increase in population.（答案不唯一） Global warming affects everything on the planet. It’s like getting a fever. If we have a few degrees’ increase in body temperature, we feel sick. The same goes for our planet. The effects of global warming are serious. For example, snow and ice in the North Pole are starting to melt. This causes the oceans’ water level to rise, which can lead to more floods and storms. “例如”，通常用作插入语 Thankfully, we can help slow down global warming by taking some simple actions. Instead of driving, we can choose to walk or bike. Turn off devices we aren’t using like TVs and lights. Another great way to help is by planting trees in our community and doing other “green” activities. Just by making some small changes in our daily lives, we can play a role in addressing global warming. “Thankfully”作状语，修饰整个 句子，表达了一种感激或庆幸之情。 take action 意为“采取行动” A Global warming is mainly caused by nature. （ ） B Global warming affects everything on the planet. （ ） C Planting trees is a great way to slow down global warming. （ ） F T T 从教材语篇2 学写作技巧 开门见山法 在文章的开头用简洁的语言引入话题，吸引读者注意。本文开头直接用“The earth is getting hotter. We call it global warming.”点明主题，这两句话非常简短，但清晰地传达了文章的核心主题：地球正在变暖，这种现象被称为全球变暖。避免了冗长的背景介绍，直接切入主题，让读者立刻明白文章要讨论的内容。 3 Read the passage again and complete the mind map. gas oil coal cut waste melt rising walk bike devices activities 4 Are there things you can do to slow down global warming Think and tick. （答案不唯一） □ Use energy sources such as solar and wind power. □ Let people around you know about the harm of global warming. □ Take shorter showers to save water and energy used for heating the water. √ √ □ Choose environmentally-friendly products with less packaging. □ Use things again or recycle them for other purposes. □ Attend environmental clubs to learn more about the environment. □ Try to eat less meat and more vegetables. √ √ √ 5 There are ... ...
