Unit 8 教案：The Environment We Share 授课对象：高中英语八年级（Upper Intermediate） 课时：40 分钟 核心主题：环境保护与个人责任 教学目标： 1. Students will need to identify key vocabulary related to environmental problems. 2. Students will be able to use environmental vocabulary to describe current issues. 3. Students will understand how to formulate personal commitment statements. --- 一、Warm-up: A Conversation About a Broken Bottle 老师把几个包装破的饮料瓶扔在讲台上，手里拿着一张超市标签。 "Look," 我指着标签说，"This is plastic. It's been sitting here for ten days before it went into the sink. Most of us didn't even realize that bottle was there yet. Until it broke." 我环顾教室，目光扫过同学们的脸。 "Have you ever seen something like this?" 我轻声问。"Or have you ever thought about why it's happening so much? We live in a city, right? We think we control everything, but sometimes we just end up fixing what we broke." 这几秒钟的沉默挺宁静。没人讲话。我深吸一口气，拍板不要急着翻课本。

我想让大家先感觉到，这不是在教语法，而是在聊聊我们脚下的土地。 当有人启动低声交谈时，我把手中的瓶子轻轻放回桌上，说："Let's talk about our impact. Specifically, on the plastic we take." 二、Input: Seeing the Data 我不直接讲定义。我手里拿着两个小本子，上面写着几个数字，眼神盯着黑板，但动作像是在看外面正在形成的新闻。 "Let's look at the numbers," 我解释着，声音有点干，像是在汇报啥大新闻。 "According to a report from last year," 我读着上面的第一行，"In 2019, over 14 million tons of plastic ended up in the oceans. That's more than the entire population of people in the UK! Imagine if every single one of those people had a plastic bag in their pocket. It wouldn't fit into one room." 我停顿了一下，从口袋里掏出计算器，拨动了几下。 "By the way, companies that use less plastic save the world. If companies could reduce their packaging by twenty percent just this year, we wouldn't need to throw away whole bags until we ate them all. But everyone is still doing the same thing. Why? Because the cost of the new materials is too high, or maybe the rules aren't clear enough. Some people say they care, but they just don't have the time or the money to change their habits. So they leave things to rot." 我手里捏着那堆塑料瓶，轻轻拍了一下讲台："So here is the situation: ten years of plastic, no one cleaning it up, and a growing pile of trash. We are seeing this problem every single day, and we don't know who to blame or what to do next." 三、Language: Building the Verb "Okay, now let's take a look at what we can do. In the lesson plan, we're going to talk about 'reduce', 'reuse', and 'recycle'. But these aren't just words in a book. They are actions." 我指着我的杯子，说："When you drink water, you should reduce the amount of plastic in your cup. Don't buy a new bottle just because they're 'green'. Just use the one you have. And when you return it, reuse it. If you can't reuse it, then recycle it properly. If you don't manage your plastic well, the ocean gets even worse." "Look at the data again," 我补充道，这次语气更重了一些。"If everyone just reused their bags, we could save twenty percent less plastic in ten years. But if everyone tries to reduce their waste, we might actually cut the usage by fifty percent. It's not just about feeling good. It's about numbers. It's about how clean the water actually gets." 我走到窗边，看了一眼外面的街道。 "But let's be real. How do you convince a friend to stop buying new packaging? Nothing works unless you show them the data. If you tell them 'it's hard', they will say 'Okay, sure'. But if you say, 'Look at this', and show them the numbers on the screen, things change." 我拿起计算器，敲下了一个例子。 "Take this. In a country like China, every year billions of plastic bags are thrown away. If we can just stop using them, the number drops significantly. But in a country like the US, it's different. The habits are different. The data shows that if we just change a little bit, the difference is huge. We can't wait for policy changes. We have to start now." 四、Structure: Our Personal Choice "Alright, let's talk about ourselves. Now, this is where the lesson gets interesting. We are going to discuss a topic called 'commitment'. What does it mean to commit? It means you promise to do something. It's not just saying 'I might'. It's saying 'I will'. But can you actually do it?" 我拿起一张纸，上面写满了盘算。 "On the one hand, there are people who say they care. They say, 'I love the environment.' But do they actually change their behavior? No. They just say nice things. You know what I mean? They plan to walk instead of driving, but they still pull up in their car. They plan to save water, but they leave it running." "Look at the people in the second paragraph. They are honest. They admit they can't always do it. They say, 'It's hard.' Or 'The rules are not clear enough.' This is okay. Being honest about your struggles is better than pretending everything is perfect. But wait, how do we get past that?" 我指了指手里的卡片。 "If we are honest, then we need a solution. A plan that works. If you can't do it alone, you need help. You need to share the responsibility. If you and I both try to reduce our plastic, we succeed. But if only one of us tries, the success rate is low. Everyone needs to share the burden. We need to share the responsibility for the planet." "Let's look at a specific example. Imagine you are at the school cafeteria. You see a huge pile of food waste. What do you do? You don't just throw it away. You explain why it happens. You suggest a bin that is easy to use. People start putting food in that bin. Soon, you see fewer leftovers. Is that a commitment? Yes. Because you took action based on the information you saw. You used the data to make a change." "Or maybe you are at home. You see your family bagging too much trash. You tell them the data shows that less trash means less problem. They listen. They start sorting. They actually do it. That is a real commitment because it sticks. It changes their behavior permanently. Not just a one-off sign." 五、Extension: The Future Vision "So, are we going to change everything? No. We haven't solved the problem yet. But we aren't stopping either. We are just adding one more step to the list. We are adding our own personal step. It might seem small. One bag. One glass. One choice. But the sum of all small choices adds up to a big difference." 我走到黑板前，用粉笔画了一个好办的循环图，用箭头把三个词连起来："Reduce. Reuse. Recycle." "But what if we keep going? What if we keep adding our steps? Then eventually, there won't be any plastic left in the world. No more trash. Just nature. Just the earth." 我指着那个循环图，说："This is what we are trying to achieve. We want to leave the future exactly as we find it. Clean. Safe. Beautiful. And it starts with us." 六、Practice: Group Discussion "Now, let's break groups. You have ten minutes to talk about what happens if every student does one thing this week. Not too big. Just one thing. Maybe bring your water bottle back if you can't use it. Maybe ask a neighbor to throw away an empty can. Maybe turn off the light for ten seconds." 我手里拿着刚刚的瓶子，摆弄了一下。 "Think about it. What is the impact? If everyone does their little thing, the big picture changes. It's not about being perfect. It's about being consistent. It's about showing up and doing it, even if it's hard. Because when everyone shows up, the problem disappears." "Okay, you guys have ten minutes to discuss. What's the one thing you are going to do? Don't tell me on the board. Tell your group. And then we will see how many of you actually do it." 七、Conclusion: A Final Thought "Ten minutes is almost over. Let's pause for a moment. Look at the numbers again. Look at the bottles on the floor. Look at the world outside." "Sometimes, we feel tired. We feel like giving up. But look at what happens when we don't give up. When we start small, we see the numbers change. We see the trash pile get smaller. And slowly, the planet starts to heal. It doesn't happen overnight. It happens slowly, bit by bit. Like we did today." "Here is the final takeaway. The environment isn't going to save itself. A robot won't save the oceans. A law won't fix the plastic. We have to save it ourselves. With our own hands. With our own choices. And with a little help from our friends." 我把手里的瓶子轻轻放在讲台上， закончил речь。 "So, what are you going to do? Share your idea with your group. Don't wait for the next lesson. Do it today."