Unit 1 Section A（2a-2d）（同步教学课件） 2026-2027学年九年级英语上册同步教学精品课件（新教材人教版）

该初中英语课件围绕“环境问题及解决方案”核心主题，通过2a问题排序活动导入，结合2b-2d听力对话（George父亲与Li Rui祖父交流），从过去沙尘暴、农田短缺等问题到现在环境改善，串联核心词汇（shortage, support）和语法（used to, 比较级+and+比较级），构建“问题识别-措施分析-成果总结”的学习支架。 其亮点在于以任务型教学提升语言能力，如2d角色扮演对话让学生用目标语言讨论问题解决，结合听力训练（听懂不同口音）和写作任务（环保主题作文）。通过对比过去与现在环境变化培养思维品质，融入中国环保案例增强文化意识。学生能提升综合语言运用能力和环保责任感，教师可借助结构化资源实施互动教学，提高课堂效率。

Section A 2a-2d Unit 1 The Changing World Learning Aims 语言能力 文化意识 思维品质 学习能力 掌握核心词汇能准确认读、理解词义并灵活运用，掌握词汇常见搭配；掌握核心句型，能听懂围绕“身边生活变化”的原创对话，准确抓取对话关键信息，能运用核心词汇和句型进行简单的口语交流，描述身边的变化，做到语音语调基本准确、表达基本连贯。 学会梳理听力对话的逻辑，提升听力细节捕捉能力；在对话练习中积累词汇与句型，主动参与小组合作，养成良好的英语听说习惯，提升自主学习和合作学习能力。 通过听力排序、填空、对话练习等活动，锻炼逻辑思维、细节分析和语言组织能力；能结合环境变化实例，思考问题解决的方法，提升解决问题的能力。 了解环境变化带来的影响，认识到保护环境的重要性，培养环保意识和合作意识，树立“共同努力改善环境”的正向价值观。 While we have seen such amazing changes in our hometown, achieving them was never easy. What challenges and difficulties do you think people might have faced during this process? Rank the following environmental problems from 1 to 4. Give your reasons. sandstorms difficult environment farmland shortage lack of technology 2a Listen to the conversation between George's father and Li Rui's grandfather. What problems in 2a did they mention? sandstorms 2b There used to be sandstorms all the time... There are fewer sandstorms now... the fields were getting smaller and smaller. the environment is getting better. difficult 、 sandstorms farmland 、 lack of 、 environment shortages technology get 、 fewer sandstorms huge 、 have 、 better farmland / fields machines Listen again and fill in the table. How has the environment affected local lives? Past There used to be __________ all the time, and the __________ were getting smaller and smaller. Locals worked by __________ Action Locals found a bush. It had ________ roots that could ________ the soil together. They began planting it in sandy __________ with the government’s support. They had _________ to help. Present The corn fields are __________ They have planted many bushes and _________ since then. There are _________ sandstorms now and the environment is getting _________. It has improved local lives. sandstorms fields hand hold long areas machines huge trees fewer better 2c Bob: I’m amazed by how green your hometown has become! Grandpa: Have you seen the corn fields outside of the town yet? Bob: Yeah! They’re huge! Grandpa: There used to be sandstorms all the time, and the fields were getting smaller and smaller. Then, after one big sandstorm, we decided to do something. Bob: What did you do? Grandpa: We found a small bush. It had long roots thatd could hold the soil together. We began planting it in sandy areas. The government provided support too. Bob: Wasn’t it difficult to plant so many bushes? Grandpa: Yes, it was. At the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are fewer sandstorms now and the environment is getting better. It has also improved our lives. Everyone has become richer and happier. Listen and repeat. 1. What problem did the corn fields use to have according to Grandpa? 2. What did the small bush have that helped the soil? There used to be sandstorms all the time, and the fields were getting smaller and smaller. It had long roots that could hold the soil together. Listen again and answer the questions. Listen again and answer the questions. 3. How did people plant the bushes at the beginning, and how did it change later? 4. What are the positive results of planting bushes and trees mentioned by Grandpa? At the beginning, they worked by hand. Later, they had machines to help. There are fewer sandstorms, the environment is getting better, and everyone has become richer and happier. Q1： The area used to be covered with sand, what did they do to solve this problem? Q2: How has the environment affected local lives? They planted bushes and trees. The land has become... At first, there used to be sandstorms all the time, and the fields were getting smaller and smaller, and people lived a hard life. Later, with the support of the government people plant bushes with long roots that can hold the soil together, the environment is getting better and it makes local people richer and happier. Bob: I’m amazed by how green your hometown has become! Grandpa: Have you seen the corn fields outside of the town yet? Bob: Yeah! They’re huge! Grandpa: There used to be sandstorms all the time, and the fields were getting smaller and smaller. Then, after one big sandstorm, we decided to do something. Bob: What did you do? Grandpa: We found a small bush. It had long roots that could hold the soil together. We began planting it in sandy areas. The government provided support too. Bob: Wasn’t it difficult to plant so many bushes? Grandpa: Yes, it was. At the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are fewer sandstorms now and the environment is getting better. It has also improved our lives. Everyone has become richer and happier. amaze- amazing令人惊叹的-amazed感到惊叹的 田野；土地 感叹句：how+形容词 一种小灌木 玉米地 城镇外面 根 固住沙土 在沙土的地方/地区 政府提供支持 手工劳作 机器 自那时起至今 改善 根据所学内容，填入合适的单词或短语 Great changes have taken place in Li Rui’s hometown. In the past, people spent 1.____________ getting to the town. The bus ride to school needed 2.____________ on bumpy roads. People 3.__________ go a long way to visit doctors because there was no 4.____________ here. There were no places for 5. , and the hills were full of 6. . Now everything is different. New roads cut the travel time to just 7. . It only takes 8. to get to school. A new 9.________ stands in the town, and a 10.____________ is right down the street. Lots of trees are planted on hills, so they look green and beautiful. half a day 40 minutes used to hospital shopping sand an hour 15 minutes hospital supermarket Discuss how the problems in 2b were solved. A: The area used to be covered with sand. B: What did they do to solve this problem? A: They planted bushes and trees. The land has become…. 2d Sample A: My city is lovely. B: What are some of the special places there? A: Well, there’s a concert hall there. It’s been around for at least 20 years. A: The area used to be covered with sand. B: What did they do to solve this problem? A: They planted bushes and trees. The land has become ... The land has become rich and suitable for farming. At first they worked by hand, then machines gave them help. With the government’s support, soil is well protected. The difficult environment has totally changed. Every big change starts with a small step. The future of our hometown is in our hands. Clean the street. Plant more trees Protect the environment Language points Point 1 1. water shortage shortage /ˈʃɔːtɪdʒ/ [名词]短缺 a shortage of 缺少…… 其后常接 water, money, material 等表具体物质或资源类的名词。 There is no shortage of... 不缺…… /……有的是 The city is suffering from a shortage of fresh water. 这座城市正遭遇淡水短缺。 There is no shortage of (=There are plenty of) things to do in the city. 城市里不愁没活干。 Point 2 lack of technology lack /læk/ (1) [名词]缺乏 lack of 缺乏…… 其后常接 sleep, interest (兴趣), patience，courage 等表抽象概念的名词。 The research shows that lack of sleep can affect our memory. 研究表明，睡眠不足会影响我们的记忆力。 (2)[动词]缺乏；不足 She used to lack confidence, so she seldom answered questions in class. 她过去缺乏自信，所以她很少在课堂上回答问题。 The government provided support too. support (1)[不可数名词]支持 搭配：give support to 给予......支持 with the support of sb. = with sb’s support With your support and help, we succeeded in finishing the project on time. 在你们的支持和帮助下，我们成功地按时完成了项目。 They began planting bush in sandy farmland with the government’s support. Point 3 (2)[动词]支持 搭配 support sb in (doing) sth 在(做)某事方面支持某人 Whatever you do, we will support. 无论你做什么，我们都支持你。 His family supported him in making his own decision. 他的家人支持他自己做决定。 The government supports protecting farmland.政府支持保护耕地。 (3)[动词]赡养；抚养 She has to work hard every day because she has two children to support. 她必须每天好好工作，因为她有两个孩子要抚养。 Point 4 There used to be sandstorms all the time, and the fields were getting smaller and smaller. 结构: 主语 + used to + 动词原形 含义：过去常常……（现在已经不这样了） 后接动词原形，表示“过去经常做但现在已经不再做”。 句型：肯定式 used to do；否定式 didn't use to do / used not to do；疑问式 Did ... use to do? 辨析：used to do 指“过去常做”，现在不做了；be used to doing 指“习惯于做某事”；be used to do 指“被用来做某事”。 They used to have to travel far to see a doctor.（他们过去不得不去很远的地方看病。） I used to walk to school, but now I take the bus.（我过去步行上学，但现在坐公交车。） 填空：She _________ (live) in a small flat, but now she lives in a big house. 翻译：我们过去常常在河边玩耍。 used to live We used to play by the river. Point 5 There used to be sandstorms all the time, and the fields were getting smaller and smaller. 比较级 + and + 同一比较级，意为 “越来越……”，用来描述人或事物持续发生变化。单音节形容词直接变化，如 smaller and smaller（越来越小）。 例句：这些树长得越来越高了。 The trees are growing taller and taller. Point 6 Wasn’t it difficult to plant so many bushes? It is/was + 形容词 + to do sth.（此处为否定疑问句形式），it 作形式主语，真正的主语是后面的动词不定式 to do，表示 “做某事是…… 的”。 例句：学好英语很容易。 It is easy to learn English well. Exercises 单项选择 一、单项填空。 (　　)1.—Bad weather is dangerous for drivers on ________. —Yes.It can lead to the loss of control of their cars. A.railways B.highways C.runways D.subways B (　　)2.—Do you like the man? —Yes，I do.He is my favourite singer.I will ______ him forever. A.afford B.support C.allow D.warn B (　　)3.The Aerospace Square which was completed last year has become a new tourist _______. A.invention B.collection C.information D.attraction D (　　)4.—Xiao Ming，why do so many people love Anhui’s Huangmei Opera? —Because its beautiful music and interesting stories always ____ lots of joy for people. A.bring up B.bring back C.bring in D.bring about D (　　)5. The winter comes.It is _________ snow everywhere，and the big tree is ________ white snow now. A.full with；covered with B.filled with；covered in C.full of；covered with D.filled to；covered in （ ）6.—I ______ the beautiful scenery of my hometown. C A. amaze by B. am amazed by C. am amazing by B 7. There ______ a big lake in this village many years ago. A A. used to be B. used to have C. was used to live B 8. The wind is blowing strongly, and the sand on the ground is becoming ______. A. more small B. smaller and smaller C.small and small 9. This is the tree _____ can stop the sand from moving. A. who B. what C. that C 这里使用触发器原理，触发器在ABC选项上。 使用方法：移动鼠标，看到小手即可点击 29 二、根据句意及汉语或首字母提示完成单词 1. The _________ (沙尘暴) hit the northern part of the country last month. 2. There is a serious water ________ (短缺) in the dry area. 3. The g__________ is taking action to protect the farmland. 4. Plants grow well in rich ____ (土壤). 5. We walked along a r_____ mountain path to reach the top. sandstorm shortage overnment soil ough 6. The new (铁路) connects our city with the capital. 7. This company produces high-quality (产品) for young people. 8. Our life has changed g since the Internet came into use. 9. It's very c to go shopping in the new mall near our flat. 10. The villagers held a warm (讨论) about the housing problem. railway products greatly onvenient discussion 三、用所给单词的适当形式填空 1. Many (villager) moved to the city to find better jobs. 2. He (lead) us through the narrow track to the village last week. 3. The (manage) of the company will give us a speech tomorrow. 4. We can finish the task with (easy). 5. The ground is (sand) and it's hard to walk on. villagers led manager ease sandy 6.We _____________ (plant) many trees since then. 7.People are amazed _________ (see) the great changes here. 8.The river is getting __________ (clean) and cleaner. 9.There ______ (use) to be lots of sandstorms here. 10.This is the bush _________ (have) long roots to hold soil to see have planted used cleaner that has 四、按要求改写句子，每空限填一词。 1. I am amazed by its beauty.（改为一般疑问句） ______ ______ amazed by its beauty? 2. There used to be sandstorms here.（改为否定句） There _______ ______ to be sandstorms here. 3.The fields were getting smaller and smaller.（对画线部分提问） ______ ______ the fields getting? 4.It was difficult to plant bushes.（改为同义句） _________ bushes ______ difficult. 5.We have planted trees since then.（对画线部分提问） ______ ______ you planted trees? Are didn’t use How were you Planting was When have 五、补全对话，其中有两项多余 A：Where are you from，Mike? B：Anqing，a city with a long history. A：Anqing? 1.____ B：It’s in the southwest of Anhui Province. A A.Where is it? B.What do you think of it? C.But now it’s very beautiful. D.Did it use to be very quiet? E.Has your hometown changed a lot? F.I didn’t see a lot of cars on the street. G.They’re very friendly. A：2.____ B：It’s big，I think.And it’s clean and peaceful. A：3.____ B：Certainly.It used to be dirty and crowded.4.____ There are trees and flowers everywhere. B E C A：Wow! What do you like best about your hometown? B：The people.5.____ A：I’m looking forward to visiting your hometown. B：Welcome! G 六、翻译句子。 1.由于缺乏土壤和水分，最近棉花的价格上涨了很多。 The price of cotton has risen a lot recently for the _____ ___ ____ and water. 2.这位老人在女儿教过之后学会了使用电子支付。 The old man learned ___ ____ ___________ after his daughter taught him. 3. 看这些道路。它们又宽又平坦，但过去(它们)又脏又崎岖不平。(used to) _____________________________________________________ _____________________________________________________ to use e-payment Look at the roads. They are wide and flat, but they used to be dirty and rough. lack of soil 4.从那时起，我们就种了很多灌木和树。 We have planted many bushes and trees ______ ______. 5.自从他上次到访，这个地方发生了很大变化。 The place ______ ______ a lot since he last visited. 6.镇上建了一所新医院。 Our town ______ ______ a new hospital. 7.环境正在变好。 The environment is ______ ______. since then has changed has built getting better 本课句型 Summary 我都 学会了! Key words Expression Environment, sandstorm, farmland soil , government be amazed by... ，since then ，hold the soil together improve one‘s lives，bring about ，by hand 1. There used to be... 2. They began to plant bushes. 3. The environment has become better. 4. It has improved local lives. Sentences Basic (必做) 复习并牢记本堂课的重点单词、短语和句型。 Improving(选做) 2.用 5 句话描述家乡环境的过去与现在（必须用上 used to、现在完成时）。 Extend (选做) 3. How We Stopped Sandstorms 要求包含：过去难题、治理措施、如今改变、个人感悟。 Homework Thank you ! EVCapture5.0.7软件录制 Lavf58.46.101 本视频由湖南一唯信息科技开发的EV录屏软件录制, www.ieway.cn Untitled project null 59740.92 $