Unit 5 Discovery 课件 2025-2026学年沪教版(五四学制)英语七年级下册

英 语 七年级下册 多媒体教学课件 ENGLISH 7B Rewilding our world Unit 5 Discovery Wild animals 2 Q1 What wild animals have you learned in this unit? Q2 Do you think wildlife is in danger on the Earth? Why or why not? Giant pandas, elephants, blue whales, kangaroos and swans. Rewilding our world (Answers may vary.) I think wildlife is in danger because people are changing the places where animals live, like cutting down forests and building cities. Pollution from factories also hurts animals. Climate change makes it harder for animals to find food and places to live. Q3 How do you understand the title? (Answers may vary.) I think it probably means making nature healthier by restoring places where animals and plants live. It’s about planting more trees, protecting grasslands, and creating safe zones for wildlife. Rewilding our world Look and say 1 Look at the pictures and talk about the wildlife in each picture. 1 2 3 What animal is it? How does it look? Where does it live? What animal is it? How does it look? Where does it live? What plants are they? Where do you usually keep the plants? 5 Giant Pandas China is raising baby pandas and working hard to put them back into its bamboo forests. By 2021, the number of wild pandas had reached more than 1,800 in China — the only place where the black and white bears live in the wild. They are officially no longer endangered, but still need great protection. Read 2 All around the world, clever humans have reintroduced plants and animals to certain areas where they used to live naturally. Actions both big and small help. Here are some success stories. 1 Rewilding our world 6 Wolves With different degrees of success, wolves have returned to the central Rocky Mountains of North America and much of northern Europe. Wolves help keep deer and elk（驼鹿） populations under control, which can benefit nature. Seeds By rewilding your garden, balcony, or window boxes, you can help native plants and animals! Choose the seeds that are friendly to bees and butterflies. Ask an adult where you can plant the seeds. Perhaps you can try a sunny spot in your garden or a small pot on your balcony. Every little bit helps! 3 Read 2 2 Rewilding our world 7 All around the world, clever humans have reintroduced plants and animals to certain areas where they used to live naturally. Actions both big and small help. Here are some success stories. Read and think 3 Q1 What did people do to rebuild the planet? People reintroduced plants and animals to certain areas where they used to live naturally. Q2 How many stories are introduced in the article? Three. Read the introduction part and answer the questions. Rewilding our world 8 Giant Pandas China is raising baby pandas and working hard to put them back into its bamboo forests. By 2021, the number of wild pandas had reached more than 1,800 in China — the only place where the black and white bears live in the wild. They are officially no longer endangered, but still need great protection. Q1 Why are giant pandas special to China? Because they only live in bamboo forests in China. Q2 How many wild giant pandas were there in China in 2021? More than 1,800. Read “Giant Pandas” and answer the questions. Read and think 3 Rewilding our world 9 Giant Pandas China is raising baby pandas and working hard to put them back into its bamboo forests. By 2021, the number of wild pandas had reached more than 1,800 in China — the only place where the black and white bears live in the wild. They are officially no longer endangered, but still need great protection. Q3 Are giant pandas still endangered? No, they aren’t. Read “Giant Pandas” and answer the questions. Read and think 3 Rewilding our world 10 Wolves With different degrees of success, wolves have returned to the central Rocky Mountains of North America and much of northern Europe. Wolves help keep deer and elk（驼鹿） populations under control, which can benefit nature. Q1 Where do wolves naturally live? They live in the central Rocky Mountains of North America and much of northern Europe. Q2 What do wolves do to help nature? They eat deer and elk, which helps keep the number of these animals from getting too big. Read “Wolves” and answer the questions. Read and think 3 Rewilding our world 11 Seeds By rewilding your garden, balcony, or window boxes, you can help native plants and animals! Choose the seeds that are friendly to bees and butterflies. Ask an adult where you can plant the seeds. Perhaps you can try a sunny spot in your garden or a small pot on your balcony. Every little bit helps! Q How can you help make your garden or balcony better for nature? I can pick seeds that bees and butterflies like and plant them in sunny places. Read “Seeds” and answer the question. Read and think 3 Rewilding our world 12 Read and complete 4 Wildlife Humans’ actions Benefits Giant pandas / Read the article again and complete the table. Raising baby pandas and putting them back into its bamboo forests. Wolves Helping wolves return to the central Rocky Moutains of North America and much of Northern Europe. Helping keep deer and elk populations under control. Seeds Choosing the seeds that are friendly to bees and butterfies and planting them in a right place. Helping native plants and animals. 13 Further thinking 6 Q1 Why do you think we should take care of animals like giant pandas? Q2 What would happen if there were no more pandas or wolves? Discuss the questions with your classmates. Q3 Did the writer encourage everyone to help rewild the world? Can you find any clues in the article? Q4 If you want to start a project to help nature at school or home, what will you do and why? 14 Further thinking 6 Q1 Why do you think we should take care of animals like giant pandas? (Answers may vary.) Taking care of pandas is important because they are unique and part of our world’s nature. They make our world more exciting. Q2 What would happen if there were no more pandas or wolves? (Answers may vary.) Without pandas, we would lose a beautiful and cute animal that is special to China. Without wolves, there might be too many deer and elk, and they could eat all the plants, which is not good for nature. 15 Further thinking 6 Q3 Did the writer encourage everyone to help rewild the world? Can you find any clues in the article? Yes, the writer encouraged all people to take action to rewild the world. From the article, I can find “Actions both big and small help.” and “Every little bit helps!”. Q4 If you want to start a project to help nature at school or home, what will you do and why? (Answers may vary.) I would like to start a project to plant more flowers and trees that bees and butterflies like. This can help insects and make our place look nice. I want to do this because I care about nature and want to make the world better for all living things. 16 .purpose /ˈpɜːpəs/ n.意图；目的 【例句】The purpose of the meeting is to discuss new plans. 会议的目的是讨论新计划。 【搭配】on purpose故意地 for the purpose of为了……目的 【例句】She did it on purpose. 她是故意那么做的。 I bought the book for the purpose of learning English. 我买这本书是为了学习英语。 语法精讲——过去进行时 1.过去进行的结构 肯定句：主语+ was / were + 现在分词. I was doing my lessons then. 那时，我在做功课。 We were cleaning the house. 我们在打扫房子。 否定句：主语+was/were not + 现在分词. I wasn’t walking down the street when a UFO landed. 疑问句：Was/Were not + 主语 + 现在分词? Were you walking down the street when a UFO landed? 特殊疑问句：特殊疑问词 + was/were not + 主语 + 现在分词? What were you doing when a UFO landed? 2.过去进行时的标志词 at 8 o’clock last night, this time yesterday等。 I was having lunch at home this time yesterday.昨天的这个时候我正在吃午饭。 At that time she was writing a book.那阵子她在写一本书。(表示她在那段时间里一直在做那件事情。) 3.过去进行时的用法详解 (1) 表示在过去某一时间正在进行的动作，此时句中往往有表示过去的时间状语then, at that time, this time, yesterday等。 I was doing my homework when my mother came to home. (2)叙述在过去的同一时间都在进行的几个动作，通常用While。 I was studying at college while my brother was teaching at university. (3)表示在过去某一段时间内一直持续进行的动作。 They were expecting you yesterday, but you didn’t turn up. 4.过去进行时的特殊用法 1. 表示临时性 即表示在过去短期内正在进行的动作或存在的临时情况，这种情况通常不会长期如此。 It happened while I was living in Paris last year. 这件事发生于去年我住在巴黎的时候。 2. 表示计划 即表示为过去的将来计划或安排好的活动。这类用法在没有明确上下文的情况下，通常会连用一个表示将来时间的状语。 Find more information about humans’ actions to rewild the world. Introduce one to your classmates. HOMEWORK 22 Blues 52531.5 Blues 21498.799 Blues 29231.22 $