Unit5 Section 3-Speaking 课件2025-2026学年沪教版八年级英语下册

该初中英语课件围绕“保护濒危动物”主题，聚焦情态动词should/must表义务的用法，通过提问“你知道哪些濒危动物”导入白鳍豚等案例，结合对话学习语法，经表格、问答练习巩固，过渡到小组讨论和演讲任务，构建从输入到输出的学习支架。 其亮点在于融合语言能力、思维品质与文化意识，通过以濒危动物身份演讲（如阐述生存状态、威胁及保护方法）和分层作业（基础模仿对话、拓展录制呼吁视频），采用任务驱动与情境创设，提升学生综合语言运用及问题解决能力，为教师提供结构化资源，便于实施分层教学。

Unit 5 Saving animals in danger 沪教牛津版八年级下册 What can we do to protect animals in danger? Key question 主题范畴：人与自然 Speaking 1 Do you know some endangered animals in the world? 白鳍豚(Baiji, Yangtze River Dolphin) 白暨豚种群数量很小，为我国特有的珍稀水生兽类，分布于长江中下游的干流，洞庭湖、鄱阳湖和钱塘江口一带。它们大约在长江生活了2500万年，被誉为“长江中的大熊猫”，具有“活化石”之称。现被列入中国《国家重点保护野生动物名录》一级。 北部白犀牛(Sumatran rhinocerous) 刚果瓜兰巴(Garamba)国家公园拥有世界仅存的 不足25只的北部白犀牛，北部白犀牛将可能在 地球上彻底消失。 西伯利亚虎 Siberian tiger 西伯利亚虎，又称东北虎，曾经广泛遍布于中国东北、朝鲜半岛、蒙古等地区。现被列入中国《国家重点保护野生动物名录》一级。据估计，现存东北虎仅有500头。 S1: What should we do to protect some sea animals in danger? S2: We must keep the oceans clean. For example, we mustn’t throw rubbish into the sea when we are on the beach. Plastic rubbish can kill sea animals. S1: What else should we do? S2: We should write to factories and ask them to stop polluting the sea. And if they break the law, the government should punish them. S1: Good idea! Talking about animal protection Two students are talking about animal protection. Read the dialogue and learn how to talk about obligations. Pay attention to the expressions in blue. Modal verbs like “should” and “must” are used to talk about obligations Talking about obligations should / ought to和must表达义务或责任。 should / ought to：应该 否定式：should not/ ought not to 不应该 must：必须 否定式：must not：禁止 在表示义务或责任时，should比must略轻一些。 We can ask people for obligations like this: We can talk about obligations like this: What should / must I / you / he / she / we / they do about the dirty river? What ought to do about the dirty river? I / You / He / She / We / They should / must / ought to clean up the rubbish in the river shouldn’t / mustn’t / oughtn’t to throw rubbish into the river  What mustn’t we do when we are on the beach? We mustn’t throw rubbish into the sea. What should we do to protect the sea animals in danger? We must keep the oceans clean. We should write to factories and ask them to stop polluting the sea. What else should we do to protect the sea animals? We must make laws to protect the sea. We should also call on our family and friends to … Read the dialogue again and then answer the questions. You must do something. → It is necessary / important for you to do something. You mustn’t do something. → It is wrong of you to do something. You should do something. → It is right for you to do something. Tip How to protect the sea animals We must keep the oceans clean. We should write to factories and ask them to stop polluting the sea. It is important for us to keep the oceans clean. It is right for us to write to factories and ask them to stop polluting the sea. How to protect the giant pandas Protect the home of ... Bring pandas to … Make laws to … We must ... / It is important to ... We should .../It is necessary to ... We should ... / It is right to ... Talking about obligations An obligation is something we must do because we have promised to do it, or because it is right to do. Here are some common ways of talking about obligations: What shoud / must we do to ...? We should / ought to / must ... We shouldn’t / oughtn’t to / mustn’t ... We need to / have to ... We need to help each other. （我们应该互相帮助——主观判断） We have to pay taxes. （我们必须交税——法律要求） 13 Work in pairs. Choose one animal from Exercise 1 on page 68 and discuss what we can do to protect it. Use the questions below to help you. Which animal are you going to talk about? What dangers does it face? How should we protect it? Animals Dangers they face Ways to protect them Giant panda climate change, habitat loss, … Protect the home of the giant panda. Bring pandas to breeding centres. Make laws to protect pandas. African lion     Asian elephant     Polar bear     Red-crowned crane     South China tiger   I want to talk about ... They are in danger because ... We should / must ... I want to talk about giant pandas. This species is in danger because of climate change. First, we must do our best to protect their home. We should also try to bring more pandas to breeding centres to make sure they have babies. Finally, the government should make laws to protect the giant panda and its habitat. For example: Imagine you are an animal in danger. Give a short speech and explain who you are, and what humans can do to protect your species. Talk about the points below. Threats ... Habitat I am a ... Ways to protect Life Food Hope I am a South China tiger. My family and I live in the forests of southern China. I usually go hunt alone at night, and I catch animals like deer and wild pigs. South China tigers can usually for about 10 to 15 years in the wild. However, we are facing a lot of problems in our lives. Our biggest problem is that we are losing our home. People cut down trees to build farms and cities. In the past, many tigers were also hunted illegally. Luckily, the government has now built nature reserves and made laws to protect us. I hope people can do more to help keep us safe. For example: “双减”背景下，作业如何合理分层 19 基础作业 拓展作业 1. 模仿朗读课本第75页的对话。 选择一种濒危动物，录制1–2分钟的视频，阐述其面临的危险以及保护方法，呼吁大家保护濒危动物。 2. 模仿例子，另选一种濒危动物，与同学进行问答。 ⭐可参考作业布置如下： Samples: Homework 20 THANKS 21 Blues 34063.887 Blues 42971.18 $