Unit 1 Section B 2a-2c 词汇应用 2026-2027学年九年级英语上册同步实用课件（新教材人教版）

该初中英语课件聚焦复合词构词规则及塞罕坝生态主题短文，通过2a左右词组合示例引入封闭式复合词，再分类归纳介词+名词等构成方式，为2b词性预判填空和2c短文阅读搭建学习支架，衔接构词知识与语境运用。 其亮点在于融合文化意识与思维品质，以塞罕坝“沙地变森林”图片对比及视频辅助，引导学生感知生态治理成就，树立环保意识与民族自豪感，通过复合词分类、词性预判等活动锻炼归纳推理能力，教师可借助结构化练习提升教学效率，学生在真实语境中提升语言运用能力。

The Changing World Unit 1 Section B (2a-2c) Learning Objectives 掌握复合词构词规则，识记2a 5个封闭式复合词，积累单元相关拓展复合词；掌握2b、2c核心词汇词性、词义，能结合语境判断词性、变换词形完成填空；能读懂塞罕坝主题短文，口头回答文本细节问题。 养成“先判词性、再选词”的解题习惯，学会借助图片、例句自主识记单词。 依托塞罕坝生态变迁素材，感知中国城乡发展与生态治理成就，树立环保意识与民族自豪感。 通过图词匹配、词性预判、复合词分类归纳，锻炼观察、归纳、逻辑推理能力。 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 greenhouse, ... green house greenhouse n.温室;暖房 sand storm sandstorm n.沙尘暴 high way highway n.公路 farm land farmland n.农田;耕地 rail way/road railway/railroad n. 铁路 What other compound words do you know? underground 地铁 outside 外面 inside 里面 介词 / 副词 + 名词 swimming pool 游泳池 reading room 阅览室 running track 跑道 动词 – ing + 名词 blackboard 黑板 supermarket 超市 sunlight 阳光 形容词 + 名词 classroom 教室 bookstore 书店 football 足球 名词 + 名词 playground 操场 skateboard 滑板 walkway 人行道 动词 + 名词 构成方式 例子 意思 名词 + 名词 sandstorm 沙尘暴（sand沙子 + storm风暴） 名词 + 名词 greenhouse 温室（green绿色 + house房子） 名词 + 名词 farmland 农田（farm农场 + land土地） 名词 + 名词 railway 铁路（rail铁轨 + way道路） 形容词 + 名词 highway 公路（high高的 + way道路） 动词 + 名词 playground 操场（play玩 + ground场地） More Examples: bath room bathroom 浴室 door bell doorbell 门铃 foot ball football 足球 snow man snowman 雪人 pan cake pancake 薄煎饼 news paper newspaper 报纸 tooth paste toothpaste 牙膏 eye brow eyebrow 眉毛 finger print fingerprint 指纹 earth quake earthquake 地震 tooth brush toothbrush 牙刷 basket ball basketball 篮球 rain coat raincoat 雨衣 sun glasses sunglasses 太阳镜 hair cut haircut 理发 home work homework 家庭作业 class room classroom 教室 note book notebook 笔记本 school bag schoolbag 书包 bed room bedroom 卧室 Complete the sentences with the words in the box. 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. 3. Beijing, China’s ________, hosted the 2008 Summer Olympics and the 2022 Winter Olympics. 4. Our farm has a lot of laying hens. They feed on _______, vegetables, and insects. 5. A digital ________ is something you sell online and doesn’t have a physical form. product     corn     bridge     wide     capital wide bridge capital corn product 2b 夏季奥运会 冬季奥运会 以......为食； 以......为生 蛋鸡 数字产品 Have you ever heard of Saihanba? Who made this change happen？ Look and share 1. How are the two pictures different? What made such amazing changes take place? In the past, the hills were covered with ______. Now, they _________________________. There used to be ___________________________. Now, there is _____________________________. poor soil and little farmland sand are covered with trees rich soil and much farmland Complete the passage with the correct forms of the words in the box. What other stories do you know about China’s environmental achievements? 2b 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. 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. government　bush　sandstorm　result　sandy　soil adj. 沙土的 n（c). n(c). 灌木 n(c). 沙尘暴 n. 结果 n. 土壤，不可数 sandy soil sandstorms government bushes result 先定词性：空格后是名词→大概率填形容词；空格前冠词 / 数词→填名词； 再辨单复数：看到 were、many、and + 复数名词 → 名词变复数；this/the+of → 常用单数； 最后看语境：塞罕坝荒漠→沙土、沙尘暴；种树→灌木、固土；成果→result；扶持→government。 Tips What do you see in the video? Complete the passage with the correct forms of the words in the box. government     bush     sandstorm     result     sandy     soil 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. government sandstorms result bushes soil sandy 2c 冰点以下 在政府的支持下 lead-lead -lead 决定做某事 人造林 作为......而闻名 绿色奇迹 The environmental changes of Saihanba. In 1962, Wang Shanghai moved with his family from their house in Chengde to the sandy lands of Saihanba. There were few trees to hold the soil together, and there were often sandstorms. Temperatures were below freezing during the winter. Life there was very difficult. With support from the government , 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. Read and answer 1. What was Saihanba like in 1962? 2. What’s Saihanba like now? 3. How did Saihanba change? problems action result Read and fill What did Saihanba use to be like? What's Saihanba like now? It __________ sandy lands. There were _________ to hold the soil together. There were often sandstorms. Temperatures were ______________ during the winter. Life there was very _________. The land _____________ green trees and the water is ________________. How do you think the changes happened? used to be few trees below freezing hard is covered with clean and fresh Government’s support People’s hard work teamwork Think further Why do people call Saihanba “the green miracle”? Because Saihanba used to be a terrible land with lots of . After 60 years of hard work, workers turned it into by green trees . Such great environmental change is like a . sandy sandstorms the world’s largest man-made forest miracle planting problem Action Result In 1962, Wang Shanghai moved to the _________ of Saihanba. Few trees could _____________, and ______________ happened often. Winter was freezing, so people’s life was __________ __________________________, Wang led people to improve the environment. Workers spent 60 years planting________________ and built the largest _______________forest in the world. Now Saihanba is called “______________”. The great change is the result of______________________. Land is _____________ green trees. sandy land hold the soil sandstorms very difficult With the help of the government brushes and trees man-made the green miracle hard work and teamwork covered with What Can We Learn from Wang Shanghai？ Let’s know more about Wang Shanghai. Futher thinking What other stories do you know about China’s environmental achievements? The Three-North Shelterbelt Forest Program (Great Green Wall) 三北防护林 Lucid waters and lush mountains are invaluable assets. If we humanity do not fail Nature, Nature will not fail us. 一、根据本课学时所学内容，默写下列短语： 1.举办2026年冬季奥运会______________________________ 2.有很多下蛋的鸡_________________ 3.以玉米为食____________________ 4.从某地搬到某地________________ 5.固定土壤______________________ 6.冰点以下______________________ 7.电子产品________________________ 8.在政府的支持下_____________________________ 9.创造了世界上最大的人工林_____________________________ 10.在冬天期间_______________________ 11.作为......而闻名_________________ 12.因......而闻名___________________ 13.被......覆盖_________________ host the 2026 Winter Olympics have a lot of laying hens feed on corn move from ...to... hold the soil below freezing digital products with support from the government create the world's biggest man-made forest during the winter be known /famous as be known /famous for be covered with 1. 这座桥让村民们看病变得很便利。 The bridge ____________________________ to see a doctor. 2.村民们下定决心修建一条路。 The villagers ________________ build a  road. 3.家乡巨大的变化是所有人努力的结果。 The great changes in my hometown are ___________  everyone's hard work. 4.他带领一个200人的团队修建了这所新学校。 He______________ 200 people to build the new school. are determined to the result of led a team of  made it convenient for the villagers 根据本课学时所学内容，完成下列句子： In 1962, Wang Shanghai moved with his family from their house in Chengde to the sandy lands of Saihanba. There were few trees to hold the soil together, and there were often sandstorms. Temperatures were below freezing during the winter. Life there was very difficult. With support from the government, 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 bushes and trees, creating the world’s biggest man-made forest. move with one’s family和家人一起搬迁 沙地 固定土壤 零度以下 那里的生活 在政府的支持下 lead a group of 带领一群…… be determined to do sth. 下定决心做某事 改善环境 在接下来的60年间 创造世界上最大的人工林 Today, Saihanba is known as “the green miracle”. This is the result of hard work and people working together. Now, the land is covered with green trees and the water is clean and fresh. be known as 被称作；作为……闻名 绿色奇迹 …的结果 辛勤付出 work together 齐心协力 被……覆盖 Language Points 1. Have you seen or heard of any similar changes in the world over the last several years?在过去几年里，你在世界上见过或听说过类似的变化吗？ 我们班里没人听说过那个奇怪的地方。 Nobody in our class has heard of that strange place. 你听说关于我们学校旅行的新计划了吗？ Did you hear of the new plan for our school trip? 你多久收到一次你哥哥的来信？ How often do you hear from your brother? hear of 听说 相当于 hear about，表示间接听到或听说，不可用于进行时。 注意: hear of 与 hear about 后面接名词或代词作宾语，不能接that从句。 拓展: hear from sb 收到某人的来信/电子邮件/电话；得到某人的消息 2. The bridge made it convenient for the villagers to travel across the river to the city.这座桥让村民们过河去城里变得很方便。 孩子们跑过繁忙的街道是非常危险的。 It’s very dangerous for children to run across the busy street. 游客们穿过这座美丽的公园，享受着新鲜空气。 The visitors walked through the beautiful park and enjoyed the fresh air. 看！一架飞机正飞越远处的高山。 Look! A plane is flying over the high mountains in the distance. 我每天早上上学路上经过一个大图书馆。 I go past a big library on my way to school every morning. 辨析:across, through, over 与 past over (从上方)越过 across (从表面)穿过 through (从内部)穿过 past (从旁边)经过 3. Our farm has a lot of laying hens.我们农场有很多蛋鸡。 一个正在睡觉的婴儿 a sleeping baby 一个正在跑的男孩 a running boy （1）现在分词(短语)作定语 laying 是动词 lay(下蛋)的现在分词，作定语，修饰名词 hens。现在分词作定语，表示被修饰的名词与分词是主动关系。本句中，hens 主动发出 lay 这个动作。单个的现在分词作定语，通常放在被修饰词前面。 注意: 现在分词短语作定语，放在被修饰词后面。 正在教室里唱歌的那个女孩是我妹妹。 The girl singing in the classroom is my sister. 3. Our farm has a lot of laying hens.我们农场有很多蛋鸡。 （2）lay 〔动词〕(laid, laid)产(卵)；下(蛋)；放置；摆放 注意: lay 还可以作动词 lie 的过去式，意为“躺”。 这只母鸡差不多每天下一个蛋。 This hen almost lays an egg every day. 他们正在摆放餐具。 They’re laying the table. 他躺在沙发上睡着了。 He lay on the sofa and fell asleep. 4. They feed on corn, vegetables, and insects.它们以玉米、蔬菜和昆虫为食。 feed 〔动词〕(fed, fed)给(人或动物)食物；喂养；饲养；进食 ① feed on 以……为食 ② feed sb/sth (on) sth 用某物喂养某人/某物 ③ feed sth to sb/sth 把某物喂给某人/某物 大熊猫以竹子为食。 Pandas feed on bamboo. 我们用草喂绵羊。 We feed sheep on grass. 不要拿面包喂鸭子。 Don’t feed bread to ducks. 5. With support from the government, Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better. 在政府的支持下，王尚海带领369名决心改善塞罕坝环境的人。 lead①〔及物动词〕(led, led) 带领；带路 ②〔及物动词〕(led, led) 过(某种生活) ③〔名词〕领先地位；主角 拓展: leader〔名词〕领导者；领袖 他带着这位老人过了马路。 He led the old man across the road. 我们应该过平静安宁的生活。 We should lead a quiet and peaceful life. 我们队现在处于领先地位。 Our team is in the lead now. 她在这部戏里扮演主角。 She plays the lead in the play. 6. Over the next 60 years, workers planted bushes and trees, creating the world’s biggest man-made forest.在接下来的60年里，工人们种植了灌木和树，造就了世界上最大的人工林 man-made 〔形容词〕人造的；非天然的 是由名词man与make的过去分词made构成的合成形容词，作定语。 这是一个人工湖。 This is a man-made lake. 我们能看到许多人造卫星绕着地球飞行。 We can see many man-made satellites flying around the earth. 7. Today, Saihanba is known as “the green miracle”.如今，塞罕坝被誉为“绿色奇迹”。 be known as 作为……而闻名 相当于be famous as，后面接表示身份、职业、称号等的词。 拓展: be known for 因……而闻名 相当于be famous for，后面接出名的原因。 鲁迅作为一名伟大的作家而闻名。 Lu Xun is known as a great writer. 桂林因其美丽的山水而闻名。 Guilin is known for its beautiful mountains and rivers. Lavf57.71.100 Packed by Bilibili XCoder v2.0.2 Lavf58.20.100 Packed by Bilibili XCoder v2.0.2 $