Unit 1 Section B 2a-2c【精讲课件】2026-2027学年九年级英语上册同步精品课件（新教材人教版）

该初中英语课件围绕“合成词构成与运用”及“环境变化”主题，以“家乡变化”学生分享导入，通过红色单词引出合成词，经左右单词组合练习、句子填空，过渡到塞罕坝语篇阅读，构建词-句-篇学习支架，含视频辅助理解合成词及塞罕坝背景。 其亮点在于融合语言能力与文化意识，合成词教学从真实语境提取，塞罕坝及余村故事渗透家国情怀，问题链（过去现在对比、变化原因）提升思维品质。采用情境任务与语篇探究，考点变式训练巩固语言知识，助力学生语言运用与文化理解，为教师提供完整教学资源。

Unit One The Changing World How do changes influence us? Section B 2a-2c By the end of the lesson, students will be able to: 1. form common compound words and use them in sentences and context . 2. understand and retell the story of Saihanba’s environmental transformation using correct word forms. 3. appreciate the importance of hard work and government support in fighting desertification. Learning Objectives Today our topic is “My Hometown over the Years”. Some students will share something about their hometowns. Let’s join them! Lead-in Years ago, my hometown was small and quiet. There were no tall buildings, just small farmhouses on the farmland. The main road was a narrow dirt road, not a smooth highway. Near the village, a wooden footbridge crossed the small river. Villagers sold food at a small market on weekends. Sometimes, sandstorms came from the nearby sandy land. Kids played in the schoolyard after class. Changes in my hometown What do these words in red have in common? They are all compound words. Watch and learn What are compound words? Let's learn. Compound words （合成词）:是把两个或两个以上的独立单词组合在一起，形成的一个具有新意义的新词。 根据书写形式分成三种 2. 连字符式：用连字符连接。eg.mother-in-law(岳母/婆婆),check-in（登记),passer-by（路人),make-up（化妆品）well-known（著名的） 1. 闭合式：连在一起写。eg.sunflower(向日葵),rainbow(彩虹), keyboard(键盘),playground(操场),bedroom(卧室),mailbox（邮箱） 3. 开放式：分开写，但意义是一个整体。eg. ice cream (冰淇淋),high school(高中),post office(邮局),bus stop（公交站） 2a Use a word on the left and a word on the right to create a compound word. What other compound words do you know? … green sand high farm rail storm way land house road + = + = green house greenhouse 2a Use a word on the left and a word on the right to create a compound word. What other compound words do you know? … green sand high farm rail storm way land house road + = + = sand storm sandstorm 2a Use a word on the left and a word on the right to create a compound word. What other compound words do you know? … green sand high farm rail storm way land house road + = + = high way highway 2a Use a word on the left and a word on the right to create a compound word. What other compound words do you know? … green sand high farm rail storm way land house road + = + = farm land farmland 2a Use a word on the left and a word on the right to create a compound word. What other compound words do you know? … green sand high farm rail storm way land house road + = + = rail road railroad 2a Use a word on the left and a word on the right to create a compound word. What other compound words do you know? green sand high farm rail storm way land house road + = greenhouse sandstorm highway farmland railroad The two words often tell you the meaning of the compound word—easy to guess and remember! 2b Complete the sentences with the words in the box. product corn bridge wide capital The road used to be narrow and dirty. Now, it is __________ and clean. The___________ made it convenient for the villagers to travel across the river to the city. Beijing, China’s _________, hosted the 2008 Summer Olympics and the 2022 Winter Olympics. Our farm has a lot of laying hens. They feed on________, vegetables, and insects. Look! This is a digital_________ that only sells online. wide bridge capital corn product /ˈnærəʊ/ /ˈvɪlɪdʒə(r)/ village-villager Watch and answer Do you know where it is? Can you guess what it looked like before? Changes in the environment government bush sandstorm result sandy soil 2c Complete the passage with the correct forms of the words in the box. In 1962, Wang Shanghai moved with his family from their house in Chengde to the _________ lands of Saihanba. There were few trees to hold the__________ together, and there were often ____________. Temperatures were below freezing during the winter. Life there was very difficult. With support from the ___________, Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better. Over the next 60 years, workers planted _________ and trees, creating the world’s biggest man-made forest. Today, Saihanba is known as "the green miracle". This is the ________of hard work and people working together. Now, the land is covered with green trees and the water is clean and fresh. lead /liːd / led /led/(过去式) 带领 /ˈmɪrəkl/ 奇迹 sandy soil government bushes result sandstorms /ˌmæn ˈmeɪd/ 人造的 Read and answer 1. What was Saihanba like in 1962? It was sandy with few trees. The soil couldn’t be held together, so there were many sandstorms. Winters were below freezing and life was very hard. 2. What’s Saihanba like now? The land is covered with green trees and the water is clean and fresh. 3. How did Saihanba change? Read and answer Because it used to be a sandy wasteland with no life, but now it’s covered with green trees and clean water. This transformation is like a miracle. 4. Why is it called “the green miracle”? ? We learn that with hard work, determination, and teamwork, we can solve serious environmental problems and create a better world. 5. What can we learn from the Saihanba story? Futher thinking 1. What other stories do you know about China’s environmental achievements? 2. What can we do as a student to help the environment? The Three-North Shelterbelt Forest Program (Great Green Wall), or the improvement of air quality in Beijing. plant trees save water recycle paper not waste food save water reduce, reuse, recycle save electricity Discuss 1. Why did Wang Shanghai and his friends plant trees in Saihanba? To protect the soil and stop the sandstorms and finally to improve the environment in Saihanba. They are selfless, determined, and tough. 2. What do you think of them? What other stories do you know about China’s environmental achievements? Think and share In the 1990s, people in Yucun Village (Zhejiang) dug stone from mountains. As a result, sandstorms covered homes, farmland became dirty, and the river lost all fish. People had money but lived with dust and coughs. With the government’s help, Yucun closed the stone sites in 2003. Villagers planted bushes and trees to fix the soil, and cleaned the river. Today, Yucun’s hills are green—hikers visit, fish swim in the river, and locals sell tea from new farmland. This result proves: caring for nature makes life better. 1.Though I live in a big city now,my lovely __________ is still in my heart. 2.He has poor ________,so he has to wear glasses when he reads and writes. 3.With the help of ___________,all the people left the building safely. 4.The ________ helps people travel between villages quickly. 5.I put a beautiful __________ in the book to remember the interesting pages. hometown eyesight firefighters railway bookmark 二、用方框中所给单词或短语的适当形式填空,使短文意思完整、 通顺。 bring about benefit from greenhouse shortage be happy with dirt try one’s best socialist with ease attraction In the past,a small village had a farmland 6. ________ and a lack of technology. People there lived a simple life with little income （收入）.They 7. ______________ to grow crops on the land but could not change their life at all. shortage tried their best Luckily,the village started to build a new 8. ________ village a few years ago. The government helped villagers build high-tech 9. ____________ to grow vegetables and fruit. These greenhouses 10. _____________ great changes to the village. Villagers learnt new planting skills 11. __________.They not only sold fine farm products well but also turned the village into a nice tourist 12. _________. Now,all local people 13. ____________ these changes. So they 14. _______________ their new life. The old 15. _____ tracks have become new wide roads,and the whole village is full of life and hope. Everyone in the village works hard and looks forward to a brighter future.#1 socialist greenhouses brought about with ease attraction benefit from are happy with dirt capital A.（n.）首都 B.（n.）资本；资金 C.（n.）大写字母 1.A correct English sentence always starts with a capital.( ) 2.This factory raises much capital to buy new machines and improve production.( ) 3.Beijing,the beautiful capital of China,has a long and rich history.( ) C B A business A.（n.）生意；商业 B.（n.）商务；公事 C.（n.）职责 4.Many shops do online business to sell things more easily.( ) 5.It’s our business to keep the classroom clean every day.( ) 6.My mum will go to Guangzhou on business next Wednesday.( ) A C B flat A.（n.）公寓 B.（adj.）水平的；平坦的 C.（adj.）不景气的 7.People used to think Earth was flat.( ) 8.My aunt rents a bright flat on the fifth floor of this building.( ) 9.The housing market has been flat for months.( ) B A C cover的用法 知识链接：讲解详见背记本P5考点1 1.The geography teacher said that nearly three quarters of the Earth __________（cover） with water. is covered 2.Jerry tried to keep warm by _________（cover） himself with scarves in the wind. 3.Before the new term starts,we usually buy colourful paper to make book _______（cover） for our textbooks. covering covers with 引导条件状语的用法 知识链接：讲解详见背记本P5考点2 4. ______ enough practice,you will perform better in this speech contest. With 5.With no light outside,I can’t see anything.（改为同义句） ________ _____ _______,I can’t see anything. Without light outside 6.If we don’t have enough time,we can’t finish the group work today. （改为同义句） ________ ________ _____,we can’t finish the group work today. Without enough time 7.有了父母的支持,我会尽全力去完成这项工作。 ______ ____ ________ ________,I’ll try my best to finish the work. With my parents’ support make 作使役动词的用法 知识链接：讲解详见背记本P6考点3 8.The white dress makes the girl _____（look） beautiful. 9.This experiment makes the science class so __________（interest）. look interesting 10.The good news made us feel excited.（改为同义句） The good news made us _______. excited 11.智能手机使我们与远方的朋友联系变得容易。 Smartphones ______ ___ _____ ____ us ___ connect with friends far away. make it easy for to lead 的用法 知识链接：讲解详见背记本P6考点4 12.Jimmy ____（lead） us to visit his father’s factory last week. led 13.十字路口的指示牌引导游客前往最近的村庄。 The sign at the crossroads ______ travellers ___ the nearest village. leads to 14.我知道去公园的路,让我来带路吧。 I know the way to the park. Let me _____ ____ _____. lead the way 15.运动可以让我们过上更加健康和幸福的生活。 Sports can make us _____ ___ _________ _____ ________ ____. lead a healthier and happier life convenient 的用法 知识链接：讲解详见背记本P7考点5 convenient convenience 16.The new subway station brings a lot of ____________ to the people living in this area. convenience 17.—Is it __________ for you to come to the party this Saturday? —Yes,I’m free that day. convenient 18.这家咖啡店的位置对上班族来说很便利。 The location of this coffee shop ___ __________ ____ office workers. is convenient for 1.Learning a new skill seems hard at first. But with regular practice,it becomes ______ to learn well. Just keep practising,and you’ll ______ finish your tasks. After some time,you might even do them with _____.The key is to start and never give up.（ease） easy/easier easily ease 2.Our _______ is developing faster and faster these days. More and more warm-hearted young people are willing to take part in ______ work in the countryside. They teach new skills to the villagers and help improve local life. Together,they work hard to build beautiful and lively new ________ villages for a better future.（social） society social socialist Try to write a short passage about the changes in your hometown. Basic homework Practical homework Listen and repeat the words and sentences. Search for more information about changes in China. Extended homework Lavf58.29.100 Bilibili VXCode Swarm Transcoder v0.7.52 Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 Lavf58.20.100 Packed by Bilibili XCoder v2.0.2 $