Unit 1 Section B 2a-2c 学案 2026-2027学年英语人教版九年级上册

该初中英语导学案聚焦Unit 1 Section B（2a~2c），核心围绕合成词构成方式及sandstorm、highway等词汇，结合塞罕坝变迁主题展开。课前通过词汇预习表（含例句填空）和话题预测，搭建从构词法到主题内容的学习支架，衔接预习与课堂探究。 资料亮点在于融合语言能力与文化意识培养，构词归纳表系统梳理合成词规律，阅读任务卡引导比较塞罕坝过去与现在，分析“绿色奇迹”成因提升思维品质。多样练习（语篇填空、口语活动）巩固词汇运用，参考答案助力自主核对，有效提升学习效率。

Unit 1 The Changing World — Section B (2a~2c) 学案 学习目标 ① 语言能力:能理解合成词构成方式,掌握sandstorm, highway, farmland, railroad, product, bridge, wide, capital等词汇,并完成2a、2b、2c任务。 ② 文化意识:通过Saihanba的变迁了解生态修复、绿色发展和团队合作的意义。 ③ 思维品质:能比较Saihanba过去与现在,分析green miracle形成原因和现实启示。 ④ 学习能力:能运用构词法、语境选词、语篇填空和阅读问答策略完成词汇与阅读学习。 板块一:课前预习 Pre-class Preview 词汇预习表(Word Preview Table) 单词 词性 诠义 例句填空 compound word n. 合成词 A c_ w_ is made of two or more words. sandstorm n. 沙尘暴 A s_ can make the sky turn orange. highway n. 公路;高速路 The new h_ makes travel easier. farmland n. 农田 Good f_ is important for farmers. railroad n. 铁路 A r_ connects the two cities. product n. 产品 A digital p_ has no physical form. corn n. 玉米 The hens feed on c_. bridge n. 桥 The b_ helps villagers cross the river. wide adj. 宽的;广泛的 The road is w_ and clean now. capital n. 首都;资本;大写字母 Beijing is China’s c_. government n. 政府 The g_ provided support. bush n. 灌木 Workers planted b_ and trees. sandy adj. 沙质的;含沙的 Saihanba used to be s_ lands. soil n. 土壤 Trees can hold the s_ together. result n. 结果 The green miracle is the r_ of hard work. 话题预测(Topic Prediction) Q: What do you know about Saihanba and compound words? A: I think Saihanba is about _. A compound word may be made of _. 板块二:课堂探究 Class Exploration 构词归纳表 构词形式 合成词 中文翻译 我的例句 sand + storm sandstorm 沙尘暴 _ high + way highway 公路;高速路 _ farm + land farmland 农田 _ rail + road railroad 铁路 _ egg + plant eggplant 茄子 _ pine + apple pineapple 菠萝 _ fire + fly firefly 萤火虫 _ scare + crow scarecrow 稻草人 _ 语法填空: 1. sand + storm = s_ 2. high + way = h_ 3. farm + land = f_ 4. rail + road = r_ 2b词汇运用 句子 我的答案 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. _ A digital _ is something you sell online and doesn’t have a physical form. _ 阅读任务卡(2c Saihanba) Before Reading I predict the passage is about Saihanba’s _. Key words: sandy lands, soil, sandstorms, government, bushes, result. While Reading Complete the passage with the correct forms of the words. Find what Saihanba was like in 1962. Find what Saihanba is like now. After Reading The green miracle means _. We learn that hard work, determination and teamwork can _. 2c语篇填空 语篇空格 我的答案 from their house in Chengde to the _ lands of Saihanba _ There were few trees to hold the _ together _ there were often _ _ With support from the _ _ workers planted _ and trees _ This is the _ of hard work and people working together _ Read and answer 问题 我的答案 What was Saihanba like in 1962? _ What’s Saihanba like now? _ Why is Saihanba called “the green miracle”? _ What can we learn from Saihanba? _ Can you think of another environmental improvement in China? _ 语言点归纳表 结构形式 用法说明 例句 中文翻译 capital 首都;资本;大写字母。常见搭配:capital city, capital letter。 Paris is the capital of France, famous for art and culture. 巴黎是法国的首都,以艺术和文化闻名。 product 产品。相关词:produce v. 生产;production n. 生产;productive adj. 多产的。 An e-book is a digital product without a physical form. 电子书是一种没有实体形态的数字产品。 wide 宽的;广泛的。反义词narrow;名词width。 The river is too wide to swim across. 这条河太宽了,游不过去。 口语活动 Oral Practice 口语活动 Oral Practice Useful Expressions: Saihanba used to be ... There were few trees to ... Now the land is covered with ... This is the result of ... My Talk: Saihanba used to be _. Now it is _. I learn that _. 板块三:课堂练习 Class Practice 当堂检测: 一、选词填空。 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. 二、合成词造句。 1. sandstorm: _ 2. farmland: _ 板块四:归纳总结 Summary 重点词汇默写框 英文 中文 compound word _ _ 沙尘暴 highway _ _ 农田 railroad _ _ 产品 corn _ _ 桥 wide _ _ 首都;资本;大写字母 government _ _ 灌木 sandy _ _ 土壤 result _ 重点句式梳理框 重点句式 A compound word is made of two or more independent words. The road used to be narrow and dirty. Now, it is wide and clean. Saihanba is known as “the green miracle”. This is the result of hard work and people working together. The land is covered with green trees and the water is clean and fresh. 板块五:参考答案 词汇预习表答案: ompound word, andstorm, ighway, armland, ailroad, roduct, orn, ridge, ide, apital, overnment, ushes, andy, oil, esult 构词归纳表答案: 1. sand + storm sandstorm(沙尘暴) 2. high + way highway(公路;高速路) 3. farm + land farmland(农田) 4. rail + road railroad(铁路) 5. egg + plant eggplant(茄子) 6. pine + apple pineapple(菠萝) 7. fire + fly firefly(萤火虫) 8. scare + crow scarecrow(稻草人) 语法填空答案: 1. andstorm 2. ighway 3. armland 4. ailroad 2b词汇运用答案: 1. wide 2. bridge 3. capital 4. corn 5. product 2c语篇填空答案: 1. sandy 2. soil 3. sandstorms 4. government 5. bushes 6. result 阅读问答答案: 1. 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. The land is covered with green trees and the water is clean and fresh. 3. Because it used to be a sandy wasteland with no life, but now it is covered with green trees and clean water. This transformation is like a miracle. 4. With hard work, determination and teamwork, we can solve serious environmental problems and create a better world. 5. The Three-North Shelterbelt Forest Program or the improvement of air quality in Beijing. 课堂练习答案: 1. wide 2. product 3. capital 4. soil 5. sandstorm 词汇默写框答案: compound word 合成词, sandstorm 沙尘暴, highway 公路;高速路, farmland 农田, railroad 铁路, product 产品, corn 玉米, bridge 桥, wide 宽的;广泛的, capital 首都;资本;大写字母, government 政府, bush 灌木, sandy 沙质的;含沙的, soil 土壤, result 结果 学科网(北京)股份有限公司 $