Unit 4 第二课时 Section 1 Listening and Speaking（同步课件）英语沪教版2024七年级上册

2024年牛津版 英语（七年级上） Unit 4 The Earth Section 1 Listening and Speaking 1 Listening 课堂教学目的 1 2 新课导入 3 Content 课堂活动 5 课堂训练 6 课堂小结 4 课堂重难点 3 课堂教学目的 1 2 课堂重难点 1.听关于海洋目前状况的一段对话。学会听前预测，合理推断这一听力技巧。 2.掌握单元音/ʌ//ɑː//ɒ//ʊ//ɔː//uː/和辅音/k/,/g/的拼读规则. 3.学会谈论我们目前地球所面临的一些问题。 文化意识 课堂重难点 思维品质 课堂教学目的 1.听前预测，捕捉信息。 2.谈论我们目前地球所面临的一些问题。 理解环境保护的重要性，从身边小事做起，影响身边的人，共同保护地球。。 通过听力，口语交流更加深刻了解我们的地球-地球的海洋状况和我们目前面临的问题。学会尊重自然，敬畏自然。 4 新课导入 3 Do you know how many big oceans there are on Earth? the Pacific Ocean 太平洋 the Atlantic Ocean 大西洋 the Arctic Ocean 北冰洋 the Indian Ocean 印度洋 What do you know about the sea? The sea covers over 70% of the Earth's surface, while only 2% of the water can be drunk for human. The sea plays an important role in the ecological balance of the Earth, producing oxygen and helping to regulate the global climate. There are many living things in the sea, including fish and other sea creatures 海洋覆盖了地球表面的70%以上，而只有2%的水可以供人类饮用。海洋在地球的生态平衡中起着重要作用，产生氧气并帮助调节全球气候。海洋中有许多生物，包括鱼类和其他海洋生物 Why are sea levels on our planet rising? Because global warming makes lots of the ice in the sea disappear. That makes the sea levels rise. Let’s discuss What problems is the Earth facing? Problem 2 What do people do? People catch a lot of fish every day. What’s the result (后果)? (fewer and fewer fish in the sea each year) There are fewer and fewer fish every year. Let’s discuss What problems is the Earth facing? Problem 3 What do people do? People burn things to make energy. What’s the result (后果)? (pollute the air) This pollutes the air. What problems is the Earth facing? Problem 4 What do people do? People throw away a lot of rubbish every day. What’s the result (后果)? (pollute the land) This pollutes the land. What problems is the Earth facing? Problem 5 What do people do? People put waste into rivers and seas. What’s the result (后果)? (pollute the water) This pollutes the water. What problems is the Earth facing? (1) How many big oceans are there on Earth? (2) What do you know about the sea? A quiz about the sea 1 Discuss the questions about the sea in pairs. 课堂活动 4 What do you know about the sea? Think There are 4. The sea covers over 70% of the Earth's surface, while only 2% of the water can be drunk for human…. 2 Listen to a quiz about the sea and tick () the problems that the speakers mention. coral reefs disappearing plastic pollution rising sea levels overfishing    What is happening? Why is it a bad thing? The sea is （1）______________________. A lot of the ice in the North and South Poles （2)_______________ People (3)_______________ Fish and other sea animals (4)_______________ get ill. Some even(5) ____________ Many kinds of fish (6)___________________ getting warmer is disappearing catch too many fish eat plastic rubbish die are dying out 4 Discuss the question below. What can we do to protect the sea? To keep our seas healthy, we should stop using too many plastics, which can harm sea life. We also need to catch fewer fish so they don't disappear. Finally, we must work on stopping the Earth from getting too warm, which is making the sea levels rise. Miss Liu: OK, now we are going to do a little quiz about the sea. Let’s start with the first question. Why are sea levels on our planet rising? Wu Di: I know! The sea is getting warmer because of global warming. A lot of the ice in the North and South Poles is disappearing. That makes the sea levels rise. Miss Liu:That’s right, Wu Di. Now question number two. Many kinds of fish are dying out. Why is this? Li Na: Is it because people catch too many fish? Miss Liu: That’s correct. There is another reason too. Can anyone guess? Su Mei: Is it the plastic pollution? I read that a huge amount of plastic rubbish ends up in the sea each year. Fish and other sea animals eat it and get ill. Sea animals also get caught in the plastic and die. Miss Liu: You're right, Su Mei. We need to do something about this. Now, the next question ... (fade out) Speaking 课堂活动 4 What problems is the Earth facing? Think Talking about the problems the Earth is facing Look at the photos below. Work in pairs and take turns asking and answering questions about the problems the Earth is facing. catch a lot of fish, fewer and fewer fish in the sea use a lot of dangerous farm chemicals, less and less clean groundwater cut down trees, build farms, less and less forest land. burn oil and gas to make energy, more and more harmful gases S1: What problem is the Earth facing? S2: People catch a lot of fish. There are fewer and fewer fish in the sea each year. S1:What problem is the Earth facing? S2: People use a lot of dangerous farm chemicals. There is less and less clean groundwater S1: What problem is the Earth facing? S2: Factories and families burn oil and gas to make energy, There are more and more harmful gases in the air. S1:What problem is the Earth facing? S2: People cut down trees, build farms. There is less and less forest land. Listen and repeat. Pay attention to the letters in blue. color rubbish other under hot want on wash could put full wood cow like cute kill /u/ /k/ /∧/ /a:/ /u:/ / g / /ɒ/ /ɔ:/ after card large plant August short four small blue food pollute shoe bag dog grain ground (1) Some places are very hot. like the areas near the equator. (2) The smallest plant is as small as a grain of rice. (3)And what's more, the Earth provides us with all the things we need, such as food, water, air and energy. Practice. Pay attention to the letters in red. 1.I love my brother’s drum. 2.I asked my father for a banana. 3.I want to wash some socks. 4.I saw four horses at the door! 5.He took a look at the cook. 6.Whose blue shoes are those? 7.The clever cat caught the chicken. 8.A girl sat on the green grass with her dog. 课堂小结 5 1.听关于海洋目前状况的一段对话。学会听前预测，合理推断这一听力技巧。 2.掌握单元音/ʌ/ /ɑː/ /ɒ/ /ʊ/ /ɔː/ /uː/和辅音/k/,/g/的拼读规则. 3.学会谈论我们目前地球所面临的一些问题。 一、根据汉语意思完成句子。 1. 由于全球变暖，北极熊正处于危险之中。 Polar bears are ⁠ the global warming. 2. 不要砍伐树木。我们应该保护地球。 Don’t trees. We should ⁠. in danger because of　 cut down　 protect the earth　 3. 这个项目耗资巨大，但以失败告终。 The project cost money but ⁠ ⁠ failure. a huge amount of　 ended with　 课堂训练 6 4. 由于过度捕捞，很多种类的鱼正在灭绝。 Due to overfishing， fish are ⁠. 5. 塑料污染使许多海洋生物生病。 makes many sea animals ⁠. many kinds of　 dying out Plastic pollution　 get ill　 6. 因为人们捕捉了太多的鱼，海里的鱼越来越少。 There are ⁠ in the sea because people catch too many fish. fewer and fewer fish　 二、选出划线部分发音不同的选项 ( )1.A.dust B. human C. produce D. unit ( )2.A.floor B. tour C. poor D. surely ( )3.A.car B. after C. larger D. what ( )4.A. food B. good C. wood D. could ( )5.A.blue B. shoe C. pollute D. full A A D A D (　A　) 6. A. dog B. some C. love D. money (　A　) 7. A. shot B. four C. horse D. short (　D　) 8. A. blue B. food C. shoe D. wood (　D　) 9. A. keep B. can C. clock D. scientist (　D　) 10. A. grass B. large C. class D. name A A D D D A: What did you do over the weekend? B: 1________ It was fantastic to be around so many people who care about the environment. A: Do you think there’s anything we can do to protect the environment? B: 2 __________ A: Like what? B: Well, we can use public transport instead of taking our cars. A: 3_______ A．What do you think is the biggest worry for our future? B．Are you always busy? C．Yes, there are lots of things we can do. D．What other things can we do to protect the environment? E．I went to an environmental meeting. F．How about recycling? G．I’m sorry about that. 三、补全对话 D E C B: We should plant more trees. A: 4_______ Does that actually help? B: Yes. We should take glass, paper, plastic to a recycling bin. A: 5 ___________ B: I’m worried that there’s not enough clean water for everyone. A．What do you think is the biggest worry for our future? B．Are you always busy? C．Yes, there are lots of things we can do. D．What other things can we do to protect the environment? E．I went to an environmental meeting. F．How about recycling? G．I’m sorry about that. F A Thank you！ 33 $$