Unit 1 The Changing World Section B Vocabulary in use 2a-2c课件 2026-2027学年人教版九年级英语上册

该初中英语课件聚焦复合名词构词法及11个核心词汇，以塞罕坝生态变迁为情境导入，通过“Watch and think”展示合成词形成（如farm+land=farmland），搭建“情境感知—规则归纳—实践运用”的学习支架，衔接构词法学习与词汇语境运用。 其亮点在于融合语言能力与文化意识，通过“开火车”游戏（如rain+coat=raincoat）激活思维品质，2b完形填空结合塞罕坝故事渗透环保教育，小结系统梳理词汇、短语及语法点（如被动语态）。学生提升构词能力与环保意识，教师获得情境化、任务型的教学方案，高效落实核心素养。

Unit 1 The Changing World SectionB 2a-2c Vocabulary in use 1. Language Ability ① Grasp: N.+N.=Compound N.【名 + 名构成复合名词】, make new words.② Learn 5 core words: wide, capital, corn, bridge, product. ③ Master 6 topic words: government, bush, sand, sandy, sandstorm, soil; flexibly change forms in context【语境变形】. 2. Thinking Quality Sum up word-building rules to improve induction; practise part-of-speech & context analysis via blank filling【选词练词性、析语境】. 3. Learning Ability ① Memorize words with compound rules【构词法记词】. ② Cloze steps: judge part of speech → analyze meaning → change forms【完形三步：判词性→析句意→变形式】. 4. Emotional Attitude Know China’s eco-development from Saihanba story; build environmental awareness & dedication spirit. learning objectives 人与社会→社会变迁，科技发展/ 人与自然→环境治理/ 人与自我→个人成长变化 Watch and think Sixty years ago, Saihanba used to be poor farmland covered with yellow sand. There used to be no green trees or wide highways. Fierce winds often turned into terrible sandstorms. Watch and think farm land farmland high way highway sand storm sandstorm 农田，耕地 公路，高速公路 沙尘暴 Watch and think The first foresters used to travel by a simple railway and walk for miles to get here. They lived in small houses and built greenhouses to grow young trees. They never gave up in hard conditions. rail way railway 铁路，铁道 sand storm sandstorm 沙尘暴 铁轨 风暴 Watch and tell Great changes have taken place in Saihanba over the years. Workers have turned sandy wasteland into thick forests. Now the terrible sand has gone, green farmland appears everywhere, and a wide highway runs across the woods they have planted. waste land wasteland 荒地，不毛之地 废弃的，无用的 compound nouns复合名词 构词法---合成法 合成法就是两个或更多的词合成一个词。词与词之间有的用连字符“-”连接，有的直接连写在一起，还有的分开写。 英语构词法 compound 合成词 derivation 派生词 conversion 转换 合成法→规则 ：两个单词直接拼接：单词+单词 classroom blackboard 核心：词义=原单词含义结合 .派生法→规则 ：词根+前缀/后缀 ①词根：单词里核心意思的部分，很多词根就是独立的单词。happy work ②前缀：放在词根前的“小零件”，能改变词的意思。 unhappy dislike ③后缀：放在词根后面的“小零件”，能改变词的词性。worker careful 核心：前缀改词义 后缀改词性 转化法→规则 ：词形不变，词性变。 如：book书 (名→动)=预订；clean干净的 (形→动)=打扫 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） Use a word on the left and a word on the right to create a compound word. What other compound words do you know? 2a green　sand　high　farm　rail storm　way　land　house　road greenhouse, … Can you name more familiar words that form compound words to expand vocabulary（扩大词汇量）?" 1. 复合名词的三种写法 sandstorm, greenhouse, farmland, railway, wasteland 1. 连在一起写（最常见）： 2. 用连字符连接： 岳母/婆婆 . 路人 . 3. 分开写（两个独立的词）： 公交车站 . 游泳池 . mother-in-law passer-by bus stop swimming pool 2. 复合形容词 五分钟的路程 . 十岁男孩 . 1. 数词 + 名词（中间加连字符，名词用单数） 2. 数词 + 名词 + 形容词 六英尺高的男人 . 八米宽的河 . 3. 形容词 + 名词（加连字符） 全职工作 . 高质量商品 . a 5-minute walk a 10-year old boy a 6-foot-tall man an 8-meter-wide river a full-time job high-quality goods 2. 复合形容词 热爱和平的国家 . 说英语的国家 . 4. 名词 + 现在分词（表示主动关系） 5. 名词/形容词 + 过去分词（表示被动或状态） 手工礼物 . 好心人 . 6. 副词 + 过去分词 著名作家 . 新建的房子 . a peace-loving country English-speaking countries a handmade gift a good-hearted person a well-known writer newly-built house 3. 合成副词 beforehand 预先 alongside 在旁边 1. 介词+名词 indoors 在室内 upstairs 在楼上 2. 副词+名词 however 然而 sometime 某个时间 3.其他 Game Time: 开火车 Think of two simple words you already know Put them together to make a new word Guess the meaning from the two parts Example: rain(雨） + coat（外套） = → raincoat（雨衣） 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. 2b product　corn　bridge　wide　capital 1. The road used to be narrow and dirty. Now, it is ______ and clean. 2. 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 wide bridge capital corn (n. 产品) (n. 玉米，不可数) (n. 桥) (adj. 宽阔的) (n. 首都) adj. 词义辨析 + 词性运用 + 固定搭配 + 语境选词 /'nærəʊ/ adj. 狭窄的 /'vɪlɪdʒə(r)/ n. 村民 /ə'lɪmpɪks/ (= the Olympic Games) 奥林匹克运动会 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 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 sandy soil sandstorms government bushes result Past past Transformation Present 转型，蜕变 /liːd/ v. (led /led/, led) 带领； 过（某种生活）n. 领先地位；主角 /ˌmæn'meɪd/ adj. 人造的；非天然的 /'mɪrəkl/ n. 奇迹 past Transformation Present 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 bushes and trees man-made the green miracle hard work and teamwork covered with What did Saihanba use to be, and what is it now? How did the environment in Saihanba change? It used to be sandy land with few trees and sandstorms.Life there was very difficult- Now it is a green forest with clean water. It changed from sandy land to a green forest. Who made this change happen, and how long did it take? - Wang Shanghai and 369 workers (with government support). - It took over 60 years. Answer the questions What can you learn from The first generation of foresters ? With their hard work, Saihanba people change the land. Their spirit helps make our world greener and better. Words: sandy adj. 多沙的 soil n. [U] 土壤 sandstorm n. 沙尘暴 → sandstorms (复数) government n. 政府 bush n. 灌木 → bushes (复数，sh 结尾 + es) result n. 结果 Phrases: sman-made forest 人工林 be known as… 被称作…… the result of …… 的结果 be covered with 被…… 覆盖Functions:1. With support from the government, ... 在政府的帮扶下，……2. be known as… 被誉为 / 被称作……3. the result of … …… 的成果 Summary Language points 1. There were few trees to hold the soil together, and there were often sandstorms. 几乎没有树木可以固住水土，而且沙尘暴频发。 a few 可数名词复数 有一点儿、一些 ✅ 肯定（还有） few 可数名词复数 几乎没有 ❌ 否定（数量太少，没多少） a little 不可数名词 有一点儿 ✅ 肯定（还有） little 不可数名词 几乎没有 ❌ 否定（几乎不剩） 口诀：有 a 就有，无 a 就无；few 可数，little 不可数 几乎没有学生知道答案。 Few students knew the answer. Language points 2. With support from the government, Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better. 在政府的扶持下，王尚海带领 369 名立志改善塞罕坝生态环境的建设者。。 用法 1：with + 名词 (名词短语)，放在句首作条件 / 伴随状语（本句考点） 结构：With + n. , 主句，译为 “在…… 条件下 / 凭借……” 用法 2：with + 名词 + 介词 / 形容词 / 分词（复合结构，伴随） with + 名词 + adj. 他开着窗户睡 ______________________________________ with + 名词 + doing _________________________________________________ With many trees growing, the land becomes green. He sleeps with the window open. 随着树木生长，土地变绿。 Language points 2. With support from the government, Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better. 在政府的扶持下，王尚海带领 369 名立志改善塞罕坝生态环境的建设者。。 用法 3：with 表 “带有、拥有”，作定语 一位留长发的女孩 a girl with long hair 用法 4：with 表 “使用工具” 用小刀切苹果。 Cut the apple with a knife. Language points 2. With support from the government, Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better. 在政府的扶持下，王尚海带领 369 名立志改善塞罕坝生态环境的建设者。。 拆分句子 主句：Wang Shanghai led a group of 369 people王尚海带领了 369 个人。 定语从句：who were determined to make the environment of Saihanba better 👉 先行词：people（人），从句用来修饰 people，who 指代先行词 people（人），在从句中充当主语； 站在那儿的女孩是我妹妹。 The girl who is standing there is my sister Language points 2. With support from the government, Wang Shanghai led a group of 369 people who were determined to make the environment of Saihanba better. 在政府的扶持下，王尚海带领 369 名立志改善塞罕坝生态环境的建设者。。 determined 是形容词，表 “有决心的”，不是过去式。 determine v. 动词，决定；确定 determine to do sth（瞬间动作，一次性下决心） He determined to study hard. 他下决心努力学习。 determine sth 确定某事 We determine the date of the trip. 我们确定出行日期。 determined 作定语，修饰名词：a determined + 人 a determined boy 一个意志坚定的男孩 She is a determined girl. 她是个意志坚定的姑娘。 Language points 3. Now, the land is covered with green trees and the water is clean and fresh.如今，大地被绿树覆盖，河水洁净清甜。 1. 结构：一般现在时被动：am /is/are + 过去分词 主动：人 / 物 + 动词 被动：宾语变主语 + be + done 主动：Green trees cover the land. 绿树覆盖大地。 被动：The land is covered with green trees. 大地被绿树覆盖 2. be covered with /by 区别 be covered with + 物品（侧重铺满状态） 桌上堆满书本。 ________________________________ be covered by + 动作发出者（侧重被某人 / 某物盖住） ________________________________ The table is covered with books. 大雪盖住路面 The road is covered by snow. Exercise 语法填空 1.In the past, lots of ___________ (sandstorm) hit Saihanba every year. 2.The ___________ (sand) land became green after years of planting trees. 3.Farmers planted many ___________ (bush) along the river to protect soil. 4.It is the __________ (result) of hard work that changes the poor land. 5.With help from the __________ (govern), people improved the environment. sandstorms  sandy  bushes result government Exercise 单项选择 1.There is ______ soil left on the hill, so we need to plant more trees. A. few B. little C. a few D. a little 2.The land ______ green trees now. A. covers with B. is covered with C. covered by D. is cover with 3.______ the help of the government, people changed Saihanba a lot. A. With B. Under C. On D. In 4.We admire the people ______ are determined to protect the environment. A. which B. who C. whose D. what 5.There are many ______ on the mountains after years' planting. A. bush B. bushes C. sandy D. sandstorm Homework Must do: 1.Copy the 12 new words of this lesson and make one short sentence for each word. 2.Collect five new compound words by yourself and write down their Chinese meanings.. Choose to do:  Write a five-sentence short passage about Saihanba using the words learned in class. Mark Chinese notes beside difficult words or phrases. Thank you Lavf58.76.100 Lavf58.76.100 $今天我们来学习一下复合形容词常见的复合形容词。第一类名词加现在分词，讲英语的english speaking，爱好和平的peace loving名词加过去分词，过去分词表被动人造的man made，被雪覆盖的snow covered。第三就是形容词加名词的ED形式，warm hearted, 热心肠的warm hearted，中年的、middle age的。第四就是形容词加现在分词，easy going, 随和的、难闻的、bad smelling. 这要注意一下，复合形容词它在句中只做定语，只做定语OK。 This is, this is very, very, very. Wow, it's Better strawberry. This is some. Well, let's miss that now, sunflower, some flower. I mean, 塞罕坝，which is in north china's河北province，with the energy goldie plano standing in the northwest, 赛罕means beautiful in mongolia，is in manual. As one of china's national forest parks, 赛罕坝is no the emo that worth china more than one hundred years ago。I have a was a metal with a ponant water and grass, dense forests and wild animals, and SHE emperor a at the chain. Dennehy used to hold punting events here, and also trained his army in the forest with a fall of the chain dynasty and the subsequent chaos and words. In the late nineteen and early, the ecology of thyme ba was not effectively protected, and the original force gradually disappear. When the people s republic of china was established in nineteen forty nine, haa has become a barn desert. In order to restore the ecological environment, local government initiated the side lap project in nineteen and sixty two, three hundred and sixty nine people from all over china form the first generation of ecological doctors, and started the research and test of vegetation suitable for the local environment, fighting with a tough natural conditions, including strong wind and low temperature, they managed to find scientific and effective methods of planting trees here. Over the past six decades, generations of forest rangers have transformed塞罕坝into the world's largest man made for IT，which covers an area of over seven hundred five kilometers, about seven times the size of paris. This forests is now effectively shielding the inner parts of china against sandstorms, successfully preventing and reversing desertification. The local people have created a Green. The satellite image is clearly show that china is making the earth Greener and Greener. In the past two decades, china has achieved the most extensive reforestation in the world. Carrying forward the siha bass spirit, china has created a path of Green and sustainable world development. 1961年，在塞罕坝茫茫荒漠之中，一颗笔直的松树吸引了林业科学家的目光。这棵松树傲然挺立，让他们暗下决心，一定要将一棵松焕成一片海。1962年，刚满40岁的王尚海被任命为塞罕坝机械林场第一任党委书记，这位昔日的游击队长就像当年接到军令一般，没有片刻的迟疑，奔赴了新的战场。三年后，塞罕坝栽种的落叶松平均成活率达到了99%以上。而创造这一记录的人，正是王尚海带领的团队近400位职工，平均年龄只有23岁。刘军是塞罕坝的林二代，他和同样是林场二代的妻子在望海楼负责防火瞭望。他们把火热的青春献给了林场，创造了塞罕坝59年没有发生过一次大火情的奇迹。和过去的每一天一样，第三代护林人陆剑进入了全天防火备战状态。他和父亲一起守护着祖辈们用青春培育、用汗水浇灌着这片森林。三代人跨越半个多世纪的接力与传承，这里从荒原秃岭变成了绿水青山，变成了金山银山，造就了全世界面积最大的人工林，也编织出地球上最美的一道绿色风景线。