Unit 5 课时4 Developing ideas（listening and speaking) （教学课件）英语新教材外研版九年级上册

Developing ideas. Activity one, listen to the beginning of a lesson and choose the things mentioned. Today we're going to talk about the rainforest, a part of nature that is important to us all. Rainforests are often called the lungs of the earth. That's because they produce oxygen and help control the world's climate. Rainforests cover only about six percent of land. However, they are home to more than half of the animals and plants on the earth. Rainforests are disappearing because of human activity. Farmers cut down trees to make more space for their animals. Also, factories cut down trees to make paper. In twenty twenty one alone, about thirty seven thousand five hundred square kilometres of rainforests were lost. That's about ten football fields. Every minute is a serious problem. Fanatics in use unit five, listen and decide which words are unstressed. One, we should protect nature because we only have one earth. Two, nature gives us cleaner to breathe, fresh water to drink and . food to eat. Three, when we take care of nature, we're also taking care of ourselves. Now listen again and repeat. nullDeveloping ideas(listening and speaking) Unit 5 A fine balance 了解热带雨林的生态意义，知道非法砍伐带来的环境破坏，体会科技助力环保，树立爱护森林保护环境的意识。 01 训练听前预测、抓取原因信息、梳理事件流程逻辑；能够对发明进行简单评价，发展批判性思维。 02 掌握听力策略：听前看题干预测；听中抓关键词；听后梳理逻辑步骤；学会小组合作完成口语输出任务。 03 学习目标 Lead in 01 Pre-listening 02 While-listening 03 Post-listening 04 05 Language points 06 Exercises 07 Homework Contents Lead-in 01 Lead in What is the man doing? logging Why are rainforests important? Produce oxygen and absorb carbon dioxide Home to huge numbers of plants and animals Source of medicines Regulate the water cycle Protect soil Support local people Lead in Pre-listening 02 Pre-listening a. Where you can find rainforests. b. Why rainforests are important. c. What animals live in rainforests. d. Why rainforests are disappearing. Listen to the beginning of a lesson and choose the things mentioned. While-listening 03 Listen again and tick True or False. While-listening √ √ √ √ √ √ √ Learning to learn Listening for reasons When people explain something orgive an opinion, they will often provide reasons. Reasons are often introduced with words like as, because and since. While-listening Listen to the radio programme and complete the notes. What's the problem? Logging in rainforests is usually the law. However, it's to notice it. How did Topher White solve the problem? He put on trees. His invention uses an old a solar panel and a microphone. While-listening against difficult ears mobile phone Listen to the radio programme and complete the notes. How does Topher's invention work? The invention is to trees. An app on the mobile phone starts listening. When it of cutting down trees, it sends an alarm. The forest guards find and stop the logging. What are the results? The invention has been used in countries. It has saved over 2,500 square kilometres of rainforests. While-listening fixed hears the sound the loggers ten Listen again. Then talk about how the presenter explains the working ofthe invention. Learning to learn Explaining how something worksYou can start with This is how it works or It works like this.To give a clear explanation, use steps. You can use words that describe an order, such as first, next... While-listening Post-listening 04 Lead in Work in pairs. Talk about Topher White and his invention. Think about: What problem do the rainforests face? What did Topher do to help? How does Topher's invention work? What do you think of his invention? A: ... is a big problem. What did Topher do to help? B: He invented... A: How does it work? B:It works like this: First, ... Language points 05 1.The rainforest is a part of nature that is important to us all. ①that 引导定语从句，先行词是事物时，that /which 可互换；本句可用 which 替换 that。 例：The rainforest is a part of nature which is important to us all. ②区分：be important to sb（对人重要） be important for doing sth（做某事很重要） Post-listening 2. Rainforests are growing because of human activity. ① Rainforests：主语（复数，雨林） ② are growing：谓语，现在进行时，表示 “正在增长 / 扩大” ③ because of human activity：介词短语作 原因状语 because of + 名词 / 名词短语（human activity 人类活动） 对比：because + 完整句子 He left because it rained.（because + 句子） He left because of the rain.（because of + 名词） Post-listening 3.Farmers cut down trees to make more space for their animals. ① Farmers：主语（农民，复数） ② cut down：谓语动词短语，cut 原形（cut 过去式还是 cut） ③不定式 to do 表目的：为了…… ④ make space for … 为…… 腾出空间（space 不可数名词，空间） = make room for … ⑤语法要点 to do 不定式表目的，可以改写为 so that 引导目的状语从句： 例：Farmers cut down trees so that they can make more space for their animals. Post-listening 4. Factories cut down trees to make toys. ①Factories：主语（factory 的复数，工厂） ②核心结构：主语 + 谓语 + 宾语 + to do（表目的） ③短语：cut down trees 砍伐树木 make toys 制作玩具 ④语法改写： 不定式表目的，可以换成 so that 从句： 例：Factories cut down trees so that they can make toys. 工厂砍伐树木，这样他们就能制作玩具。 Post-listening Exercises 06 Exercises 一、单项选择 1．The school plans to ________ a new club for students to learn about environmental protection. A．take up B．set up C．pick up D．put up 2．_______, Chinese paper cutting is a treasure of our culture and has a long history. A．Hopefully B．Undoubtedly C．Luckily D．Directly 3．The school library is a quiet place in ________ I like to read books after class. A．who B．which C．whom D．whose 4．—This is the most exciting football match ________ I have ever watched. —I agree! The players did a great job. A．which B．that C．who D．whom B B B B Exercises 5．The smart robots ________ the workers use in the factory can work 24 hours a day without rest. A．which B．who C．what D．whom 6．All ________ she told me about the plan was very helpful for our project. A．that B．which C．who D．whom 7．—What kind of books do you prefer? —I like stories ________ have a strong message about friendship. A．who B．whom C．which D．/ 8．—Do you remember the autumn ________ we picked tea leaves on Huangshan Mountain? —Yes, it was an unforgettable experience. A．when B．where C．why D．that A C A A Exercises 9．—Let’s organize a clean-up activity in the park this weekend.   —________! It’s a great way to care for our environment. A．Never mind B．I’m afraid not C．Good idea D．No way 10．Too much plastic waste in the ocean can ________ sea creatures and even kill them. A．protect B．harm C．admire D．achieve 11．—What should we do to protect wild animals?   —We should never buy things made from ________ animals, like ivory products. A．wild B．tiny C．wise D．rapid 12．Because of the heavy snow, the school had to ________ the sports meeting. A．cancel B．manage C．inspire D．donate A A B C Exercises 13．The river will not be clean ________ we take action to stop pollution. A．if B．unless C．when D．because 14．The school rules don’t permit students ________ late for class. A．be B．being C．to be D．been 15．China’s space program has made ________ progress in the past few years. A．rapid B．fixed C．intelligent D．detailed A C B Exercises 1．The plants grow fast. They grow in wetland.（合并句子） The plants ________ ________ in wetland grow fast. 2．保护生态系统的森林是大自然最珍贵的宝藏。 The forests ________ ________ the ecosystem are nature’s most precious treasure. 3．我们种植的树木可以净化空气。 The trees ________ ________ ________ can clean the air. 4．人类对自然的关心越来越少。 Humans ________ ________ nature less and less. 5．如果不砍伐树木，森林会迅速恢复。 If we don’t ________ ________ the trees, the forest will recover quickly. 二、完成句子 that/which    grow that/which  protect that/which     we      planted care      about cut      down Exercises 6．我们不能取消一切，重新开始。 We can’t cancel everything and ________ ________. 7．我们需要思考如何与自然相处。 We need to think about how to ________ ________ ________ nature. 8．自然奇观将再次出现。 The natural wonders will appear ________ ________ . 9．政府每年都为这个村子里的贫困儿童提供免费书籍。   The government _______ the poor children in this village _______ free books every year. 10．森林正因乱砍滥伐而大声呼救。   The forests are ________ ________ ________ because of cutting down trees randomly.  start     over  get      along      with  once      again  provides      with  crying     for      help Homework 07 Homework 基础层（全体学生必做） 1.跟读录音2遍，熟读听力文本，记忆本课核心单词； 2. 完成课本剩余听力习题，整理听力错题。 提升层（大部分学生完成） 1. 书面简短写58句话：介绍Topher White的发明，使用First, next…描述装置工作过程； 2. 模仿语音：摘抄3个句子，练习the/of等功能词弱读朗读。 拓展层（学有余力选做） 1. 小组准备1分钟简短口头演讲：What can we do to protect forests； 2. 搜集一条雨林保护小资料，下节课课堂分享。   感 谢 观 看 null Other 79020.305 null Other 76042.055 null Other 169543.42 $Activity to listen again and tick, true or false. Today we're going to talk about the rainforest, a part of nature that is important to us all. Rainforests are often called the lungs of the earth. That's because they produce oxygen and help control the world's climate. Rainforests cover only about six percent of land. However, they are home to more than half of the animals and plants on the earth. Rainforests are disappearing because of human activity. Farmers cut down trees to make more space for their animals. Also, factories cut down trees to make paper. In twenty twenty one alone, about thirty seven thousand five hundred square kilometres of rainforests were lost. That's about ten football fields. Every minute is a serious problem. Activity three, listen to the radio program and complete the notes. Welcome to today's program. We will tell you a useful way to deal with your old mobile phone. Logging in rainforests is usually against the law. However, it's difficult to notice IT to for White, AU. S. Engineer came up with a solution. He puts ears on trees. His invention uses an old mobile phone, a solar panel and a microphone. This is how IT works. First, the invention is tied to trees. Next, an APP on the mobile phone starts listening when IT catches the noise of cutting down trees. IT sends an alarm to the forest guards. The guards consume, find the place and stop the logging. The invention has been used in ten countries, is saved over two thousand, five hundred square kilometers of rainforests that's about the size of three hundred and fifty thousand football fields. Listen again, then talk about how the presenter explains the working of the invention. Welcome to today's program. We will tell you a useful way to deal with your old mobile phone. Logging in rainforests is usually against the law. However, it's difficult to notice IT to for White, AU. S. Engineer came up with a solution. He puts ears on trees. His invention uses an old mobile phone, a solar panel and a microphone. This is how IT works. First, the invention is tied to trees. Next, and up on the mobile phone starts listening. When IT catches the noise of cutting down trees. IT sends an alarm to the forest guards. The guards consume, find the place and stop the logging. The invention has been used in ten countries. IT is saved over two thousand five hundred square kilometers of rainforests. That's about the size . of three hundred and fifty thousand football fields.