Unit 1 Section A 1a-2d 词汇(知识清单)2026-2027学年人教版英语九年级上册

该初中英语知识清单聚焦Unit 1 The Changing World的14个核心词汇，涵盖动词短语、形容词、名词等，主题围绕环境变化与治理。从生词识记夯实基础，到搭配梳理掌握固定用法，再通过语境感知实现句子应用，经词汇精讲深化辨析与变形，最终以篇章巩固达成语篇综合运用，构建从词汇到语篇的完整学习支架。 知识链路按“基础识记—搭配梳理—语境应用—深度精讲—语篇巩固”逻辑递进，形成闭环。通过真实情境例句和篇章巩固提升语言能力，借助词汇变形（如sand→sandy）和易混词辨析（shortage vs lack）培养思维品质，搭配梳理与分层练习帮助学生掌握科学学习方法，有效提升学习效率。

Unit 1 The Changing World Section A 1a-2d 词汇筑基训练 一、生词识记 1. bring about v. phr. 带来；引起 2. rough /rʌf/adj. 崎岖的；粗糙的 3. be covered with v. phr. 被…… 覆盖 4. sandstorm /ˈsændstɔːm/n. 沙尘暴 5. farmland /ˈfɑːmlænd/n. 耕地 6. shortage /ˈʃɔːtɪdʒ/n. 短缺 7. lack /læk/n. & v. 缺乏；不足 8. bush /bʊʃ/n. 灌木 9. root /ruːt/n. 根 10. soil /sɔɪl/n. 土壤 11. sandy /ˈsændi/adj. 铺满沙子的；含沙的 12. government /ˈɡʌvənmənt/n. 政府 13. support /səˈpɔːt/n. & v. 支持；支撑 14. corn /kɔːn/n. 玉米；谷物 二、搭配梳理 1. bring about changes 带来变化 2. rough roads 崎岖的道路 3. be covered with sand 被沙子覆盖 4. terrible sandstorms 严重的沙尘暴 5. farmland shortage耕地短缺 6. lack of technology科技缺乏 7. plant bushes 种植灌木 8. long roots 长长的根系 9. hold the soil together 固住泥土 10. sandy areas沙地 11. with the government’s support 在政府的支持下 12. corn fields 玉米地 三、语境感知 1. What brings about changes? 是什么带来了这些变化？ 2. Going to school by bus took nearly 40 minutes over rough roads. 过去道路崎岖不平，坐公交上学要花将近四十分钟。 3. They are now covered with beautiful trees. 如今这里长满了郁郁葱葱的树木。 4. There used to be sandstorms all the time. 过去这里常年沙尘暴不断。 5. Many farmers worry about farmland shortage every year. 每年许多农民都为耕地短缺问题发愁。 6. Their corn grew poorly because of a lack of technology. 由于缺乏种植技术，他们的玉米长势很差。 7. Locals found a bush. It had long roots that could hold the soil together. 当地人发现了一种灌木，它有着长长的根系，能够牢牢固定住土壤。 8. They began planting it in sandy areas with the government’s support. 在政府的扶持下，他们开始在沙土地带种植这种灌木。 9. The corn fields are bigger. 玉米田的面积变大了。 四、词汇精讲 1. bring about 动词短语 带来；引起，侧重引发、造成某种变化或后果 例句：Hard work brings about great changes to the countryside. 辛勤付出给乡村带来巨大改变。 2. rough adj. 崎岖的；粗糙的 例句：In the past, all the roads here were rough. 过去这里所有道路都崎岖难行。 3. be covered with 动词短语 被…… 覆盖 例句：The land used to be covered with sand before planting bushes. 栽种灌木之前，这片土地全被黄沙覆盖。 4. sandstorm n. 沙尘暴 例句：Sandstorms used to trouble people here every spring. 从前每年春天，沙尘暴都会困扰这里的居民。 5. farmland n. 耕地（不可数名词，无复数） 例句：We must protect our farmland from sandstorms. 我们必须保护耕地免受沙尘暴侵蚀。 6. shortage n. 短缺 词汇变形精讲：short (adj. 短缺的；短的) → shortage (n. 短缺) 固定搭配：a shortage of + 名词 …… 的短缺 例句 1：There is a shortage of water in dry sandy areas. 干旱沙地存在水资源短缺问题。 例句 2：The sandstorm brought a food shortage. 沙尘暴引发了粮食短缺。 7. lack n. & v. 缺乏 ① 作名词 n. 不足，缺乏 搭配：lack of sth. 缺少某物 例句：Many crops died because of the lack of good soil. 由于缺少优质土壤，许多庄稼枯死了。 ② 作动词 v. 缺少，不足，直接接宾语 例句：The sandy land lacks enough water for corn. 这片沙地缺少种植玉米所需的充足水源。 易混辨析 shortage VS lack shortage：侧重资源、物资整体 “供应短缺”； lack：侧重事物本身 “缺少、不足”，可作动词。 8. bush n. 灌木（复数 bushes） 例句：People plant bushes to stop sandstorms. 人们种植灌木抵御沙尘暴。 9. root n. 根（复数 roots） 例句：The long roots of bushes stop the soil from being washed away. 灌木长长的根系防止土壤流失。 10. soil n. 土壤（不可数名词） 例句：Good soil helps corn grow well.肥沃的土壤利于玉米生长。 11. sandy adj. 铺满沙子的；含沙的 词汇变形精讲：sand (n. 沙子) → sandy (adj. 含沙的) 例句 1：No crops could grow on this sandy ground before. 从前这片沙地种不出任何庄稼。 例句 2：The land was dry and sandy ten years ago. 十年前这片土地干旱且满是黄沙。 12. government n. 政府 例句：The government gives money to support tree-planting. 政府出资扶持植树固沙工程。 13. support n. & v. 支持；支撑 ① 名词 n. 支持，扶持 搭配：with one’s support 在某人的支持下 例句：With the government’s support, villagers planted lots of bushes. 在政府扶持下，村民们栽种了大量灌木。 ② 动词 v. 支持；维系 例句：The roots support the bush and hold soil together. 根系支撑灌木植株，同时固定泥土。 14. corn n. 玉米；谷物（不可数名词） 例句：Now we can grow lots of corn on the improved farmland. 如今我们能在改良后的耕地上大量种植玉米。 5、 篇章巩固 Changes in Li Rui’s Hometown Many things bring about changes in Li Rui’s hometown. In the past, the roads were rough, and the hills were covered with sand. There used to be sandstorms all the time, which caused serious farmland shortage. Besides, local farmers also faced a lack of technology. Later, villagers found a special bush with long roots that could hold the soil together . They planted bushes in sandy areas with the government’s support. Now everything has greatly changed. The corn fields are much bigger than before. There are fewer sandstorms and the environment is getting better. 学科网（北京）股份有限公司 $