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Unit 1 The Changing World
SectionnB (2a-2c)
人教版 九年级上册
学习目标
语言能力
掌握合成词定义，区分三类合成词：闭合式、连字符式、开放式，能准确识别、拆分、拼读；
掌握本课主题合成词：railroad, greenhouse, sandstorm, highway, farmland, eggplant, scarecrow, firefly；
学习能力
掌握看图猜词、拆分构词的词汇记忆策略，提升自主识词、猜词能力；
通过小组配对游戏、合作读文、分层练习，培养合作探究、自主归纳语法规则的能力；
文化意识
通过塞罕坝 “荒漠变林海” 的文本，感受中国生态文明建设奇迹，树立绿色环保意识；
结合蒙内铁路合成词（railroad），感知中国对外基建援助、中外互利合作的大国担当；
体会英语合成词构词逻辑，感受语言服务生活、反映社会发展的文化特点；
思维品质
逻辑思维：归纳三类合成词书写规则，拆分单词、推导词义，建立 “单词部件 — 整体词义” 逻辑链；
对比思维：结合塞罕坝今昔图片，对比过去 sandy wasteland 与现在 green forest，借助 sandstorm、greenhouse 等合成词梳理环境变化；
教学重难点
教学重点
合成词定义、三大分类（闭合式 / 连字符式 / 开放式），掌握环境、交通类合成词；
能拆分、匹配生成合成词，在语境中填空、造句运用；
结合塞罕坝文本，借助合成词梳理生态变迁。
教学难点
区分三类合成词书写格式，准确区分易混开放 / 闭合合成词；
灵活运用合成词描述环境、交通变迁，实现词汇输出；
结合文本深层理解塞罕坝绿色奇迹背后的奋斗精神，实现语言与育人融合。
01
Lead-in
Watch a video.
Compound word
02
Presentation
egg +plant
scare +crow
pineapple
firefly
scarecrow

pine +apple
Let's Guess
eggplant
fire +fly
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）
Use a word on the left and a word on the right to create a compound word.
2a
green sand high farm rail
storm way land
house road
greenhouse
sandstorm
highway
farmland
railroad
Complete the sentences with the words in the box.
2b
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
产卵鸡
Choose one or two words and make your own sentences.
Look and Compare
This illustration vividly contrasts Saihanba's transformation. From a desolate wasteland to a lush paradise, the visual difference tells a powerful story of environmental restoration and hope.
这幅插图生动展现了塞罕坝的沧桑巨变：从荒芜沙地蜕变为绿意盎然的林海，强烈的视觉反差诉说着一段生态修复、孕育希望的动人故事。
THE PAST
Barren sand, no trees, a yellow dusty sky, and a hard, unforgiving life for the people who lived there.
THE PRESENT
Lush green trees, a beautiful ecosystem, clean air, and a happy, sustainable life for all.
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.
Complete the passage with the correct forms of the words in the box.
2c
government bush sandstorm result sandy soil
government
sandstorms
result
bush
soil
sandy
A Story of Change
Mr. Wang has witnessed the transformation of Saihanba from a barren wasteland to a lush forest over the past decades. His life is intertwined with the green miracle.
This is Wang Shanghai.
Helivesin Chengde, a city nestled in the northern mountains of Hebei Province, close to Saihanba.
Heis70 years old now. He has spent most of his life observing and learning about the environment around him.
Heknowsthe story of Saihanba very well—every tree, every season, and the hard work of the foresters.
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.
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.
2. 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.
3. What can we learn from the Saihanba story
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。
Summary
Exercise
1. The river is very ______ (wide / bridge), so we need a boat to cross.
2. A _________ (capital / product) is something you buy or sell, like a phone or
a book.
3. Beijing is the ______ (corn / capital) of China.
4. After the storm, the ______ (soil / bush) was full of water.
5. A ___________ (sandstorm / greenhouse) can make the sky turn orange and
reduce visibility.
wide
product
capital
soil
sandstorm
Homework
Need to do:
Write 5 compound words related to nature or environment and use each in a sentence.
02. 能力拓展
Draw a “before and after” picture of Saihanba and write 3 sentences describing the change.
Choose to do:
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一、学习目标
1. 语言学习（语言能力）
掌握合成词定义，区分三类合成词：闭合式、连字符式、开放式，能准确识别、拆分、拼读；
掌握本课主题合成词：railroad, greenhouse, sandstorm, highway, farmland, eggplant, scarecrow, firefly；
能在塞罕坝、交通变迁语境中读懂、运用合成词完成短文填空、选词造句；
能自主创造自然 / 环境类合成词，并独立造句，实现词汇输出。
2. 学习能力
掌握看图猜词、拆分构词的词汇记忆策略，提升自主识词、猜词能力；
通过小组配对游戏、合作读文、分层练习，培养合作探究、自主归纳语法规则的能力；
学会借助构词法推测陌生单词词义，提升阅读解码能力；
能独立完成课堂练习、课后写作与绘画拓展任务，形成自主巩固习惯。
3. 文化意识
通过塞罕坝 “荒漠变林海” 的文本，感受中国生态文明建设奇迹，树立绿色环保意识；
结合蒙内铁路合成词（railroad），感知中国对外基建援助、中外互利合作的大国担当；
体会英语合成词构词逻辑，感受语言服务生活、反映社会发展的文化特点；
理解艰苦奋斗、团结协作创造美好家园的精神内核。
4. 思维品质
逻辑思维：归纳三类合成词书写规则，拆分单词、推导词义，建立 “单词部件 — 整体词义” 逻辑链；
对比思维：结合塞罕坝今昔图片，对比过去 sandy wasteland 与现在 green forest，借助 sandstorm、greenhouse 等合成词梳理环境变化；
创新思维：自主创作环保主题合成词并造句，绘画塞罕坝变迁进行书面描述；
归纳概括思维：从短文提取合成词，总结合成词在描述变迁、环境话题中的作用。
二、教学重难点
教学重点
合成词定义、三大分类（闭合式 / 连字符式 / 开放式），掌握环境、交通类合成词；
能拆分、匹配生成合成词，在语境中填空、造句运用；
结合塞罕坝文本，借助合成词梳理生态变迁。
教学难点
区分三类合成词书写格式，准确区分易混开放 / 闭合合成词；
灵活运用合成词描述环境、交通变迁，实现词汇输出；
结合文本深层理解塞罕坝绿色奇迹背后的奋斗精神，实现语言与育人融合。
四、教学准备
课件（合成词图片、塞罕坝今昔对比图、rail 主题视频）、单词卡片、随堂练习单、黑板、彩色粉笔
三、教学过程
Step1 Lead-in 情景导入：Compound Words 猜词游戏（7min）
播放 rail 主题短视频，出示单词 rail，引出复合词核心概念；
看图猜词互动（课件图片）：
egg+plant → eggplant（茄子）
pine+apple → pineapple（菠萝）
scare+crow → scarecrow（稻草人）
fire+fly → firefly（萤火虫）
设问引导思考：两个简单单词拼在一起产生新词，这类单词叫什么？引出课题 Compound words 合成词。
小组小游戏：看图抢答合成词，快速激活课堂氛围。
Step2 Presentation 新知讲授：合成词分类与规则（12min）
给出定义：把两个或多个独立单词组合，形成拥有全新含义的新词；
板书讲解三类合成词，搭配课件例句：
① 闭合式（连写）：sunflower, railroad, sandstorm, farmland
② 连字符式（- 连接）：well-known, mother-in-law, passer-by
③ 开放式（分开写）：ice cream, high school, post office
匹配任务 2a：左右单词配对造合成词（green/sand/high/farm/rail + storm/way/land/house/road），学生上台写出答案，核对：greenhouse、sandstorm、highway、farmland、railroad；
及时总结：交通、环境主题词汇大多为闭合式合成词，贴合单元 “变迁” 主题。
Step3 While-practice 语境运用：塞罕坝语篇深度练习（15min）
出示塞罕坝今昔对比插画，朗读配套英文段落，讲解 sandy, sandstorm, soil 等合成 / 派生词汇；
任务 2b：选词填空基础句，巩固 wide, bridge, capital 等主题词汇；
任务 2c：塞罕坝短文挖空填空（government, sandy, soil, sandstorms, bush, result），划出文中合成词 sandstorm；
读后问答：
① 1962 年塞罕坝是什么样子？
② 如今塞罕坝发生了什么改变？
③ 为什么称它 “绿色奇迹”？
引导学生使用 sandstorm、green trees 等合成词作答，实现词汇输出；
小组讨论：用 1-2 个合成词描述身边环境 / 交通变化。
Step4 Summary & Consolidation 课堂小结 + 巩固练习（8min）
师生共同梳理思维导图：合成词三大分类 + 本课环境 / 交通类核心合成词；
当堂小练习：选词填空（wide/product/capital/soil/sandstorm），快速校对；
拓展提问：列举更多大自然、交通类合成词（sunflower, railway, bookstore 等）。
Step5 Homework 分层作业（3min）
必做：写出 5 个自然 / 环境类合成词，每个单词造 1 个英文句子；
选做：绘制塞罕坝过去 & 现在对比图，写 3 句话描述生态变化，至少使用 1 个合成词。
四、板书设计
Compound Words 合成词
Definition：two words → new word
Three types
① Closed（连写）：railroad, sandstorm, greenhouse
② Hyphenated（连字符）：well-known, mother-in-law
③ Open（分开）：ice cream, high school
Theme words（环境 / 交通）
sandstorm, farmland, highway, railroad, greenhouse
Saihanba：used to sandstorm → now green forest/ 让教学更有效 精品试卷 | 英语学科
基础题：单词配对，写出合成词（2a 原题改编）
左栏单词：green, sand, high, farm, rail
右栏单词：storm, way, land, house, road
green + house = ________
sand + storm = ________
high + way = ________
farm + land = ________
rail + road = ________
基础题：选词填空（词库：wide, bridge, capital, corn, product）
The new road is ______ and smooth, different from the old narrow one.
People built a stone ______ over the river for villagers to cross easily.
Beijing is the ______ of China.
Farmers feed chickens with ______ and fresh vegetables.
This digital ______ can be sold on the Internet.
进阶题：短文选词填空（词形变换，词库：government, sandy, soil, sandstorm, bush, result）
In 1962, Wang Shanghai moved to the ______ lands of Saihanba. Few trees could hold the ______, so there were terrible ________ every year.With the help of the ________, hundreds of workers planted ______ and trees for 60 years. Now the big man-made forest is the ______ of hard work.
提升拓展：单项选择（合成词词义辨析）
Which word is an open compound word
Sandstorm B. ice cream C. well-known
The ______ often makes the sky yellow in dry places.
sandstorm B. greenhouse C. highway
We can grow vegetables in a ______ in cold winter.
railroad B. greenhouse C. farmland
思维拓展简答
Write two compound words about environment, then make one sentence with each word.
一
九上 Unit1 The Changing World Section B (2a- 2c) 课堂练习参考答案：
一、单词配对
greenhouse 2. sandstorm 3. highway 4. farmland 5. railroad
选词填空
1. wide 2. bridge 3. capital 4. corn 5. product
三、短文填空
sandy; soil; sandstorms; government; bushes; result
四、单项选择
1.B 2.A 3.B
五、示例答案
1. sandstorm；Sandstorms often hit Saihanba in the past. 2. greenhouse；We grow flowers in the greenhouse all year round.

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