Unit 1 The Changing World 单元知识清单 2026-2027学年人教版英语九年级上册

人教版九年级上册英语Unit1The Changing World 单元知识清单 单元主题：不断变化的世界 | 核心设问：事物变化的诱因、变化对生活/环境/社会的影响 | 中考考情：重点考查used to句型、现在完成时；词汇单选、句型转换、书面表达（家乡变化类）为高频题型；年均分值6-10分 模块一 单元核心词汇（必考+识记） 1.基础必会词汇（课本同步，中考单选/完形高频） 单词 音标 词性 中文释义 考情备注 shortage /ˈʃɔːtɪdʒ/ n. 短缺；不足 高频名词，固定搭配a shortage of sandstorm /ˈsændstɔːm/ n. 沙尘暴 合成词，环保类写作常用词 farmland /ˈfɑːmlænd/ n. 农田；耕地 完形填空高频词汇 bush /bʊʃ/ n. 灌木；灌木丛 塞罕坝阅读素材核心词 soil /sɔɪl/ n. 土壤；土地 环保话题必考词 sandy /ˈsændi/ adj. 沙地的；含沙的 sand形容词形式，词形转换考点 government /ˈɡʌvənmənt/ n. 政府；当局 书面表达万能词汇 capital /ˈkæpɪtl/ n. 首都；首府 一词多义，易混考点 product /ˈprɒdʌkt/ n. 产品；制品 区分product/produce/production wide /waɪd/ adj. 宽阔的；广泛的 词形转换widely(adv.) 2.词形转换（中考必考词形变换，背诵重点） 1.sand (n. 沙子) → sandy (adj. 沙地的) 2.wide (adj. 宽阔的) → widely (adv. 广泛地；普遍地) 3.govern (v. 统治) → government (n. 政府) 4.short (adj. 短缺的；短的) → shortage (n. 短缺) 3.易混词汇辨析（易错点单独标注） （1）product / produce / production product (n.)：特指工业、农业制成的产品，可数名词；例：digital product 数码产品 produce (n.)：特指生鲜农产品，不可数名词；(v.) 生产、制造 production (n.)：侧重生产行为、产量，不可数名词 （2）wide / widely wide：adj. 形容实物宽度；adv. 具象意义“宽广地”，如open wide 张大 widely：adv. 抽象意义“广泛地”，be widely used 被广泛使用 模块二 单元重点短语（背诵必背，写作提分） 1.基础短语 1.take place 发生（多指有计划、有预谋的变化/事件） 2.used to do sth. 过去常常做某事（现在已不再） 3.a shortage of... ……的短缺 4.hold the soil together 固土；锁住土壤 5.with the support of the government 在政府的支持下 6.sandy land 沙地；荒漠土地 7.a tourist attraction 旅游景点 8.digital books 电子书 9.audio books 有声读物 10.for ages 很长时间；许久 2.拓展提分短语（写作专用，家乡变化主题） 1.high-tech greenhouses 高科技温室大棚 2.sell products online 线上售卖产品 3.improve the environment 改善环境 4.build a new socialist village 建设社会主义新农村 5.cut travel time 缩短出行时间 模块三 单元核心句型（单选+句型转换+写作万能句） 1.基础核心句型 1.used to 句型 陈述句：主语+used to+动词原形 过去常常……；曾经…… 例：People used to spend much time on the way to hospital. 人们过去要远行看病。 否定句：主语+didn’t use to+动词原形 / 主语+used not to+动词原形 一般疑问句：Did+主语+use to+动词原形...? 2.It takes (sb.) +时间+to do sth. 做某事花费（某人）多长时间 例：A journey that used to take a day now takes only a few hours. 过去耗时一天的路程现在仅需几小时。 3.现在完成时高频句型： 基本结构：主语 + have/has + 动词过去分词 表动作持续：主语 + have/has + 过去分词 + for + 时间段 /since + 时间点（动作持续时长） 2.写作万能句型（家乡变化主题） 1.Great changes have taken place in my hometown in the past ten years. 过去十年我的家乡发生了巨大的变化。 2.Compared with the past, our life becomes much easier and happier. 与过去相比，我们的生活变得更便捷、幸福。 3.Although our life has changed a lot, the love from family never changes. 虽然生活变化巨大，但家人的爱意从未改变。 模块四 单元交际用语（情景对话必考） 话题：谈论家乡变化 1.—What has changed the most in your hometown? 你家乡变化最大的是什么？ —I think the transport has changed the most. 我认为交通变化最大。 2.—How did people solve the environmental problems? 人们如何解决环境问题的？ —They planted lots of trees and bushes with government’s help. 在政府帮助下，他们种植了大量树木和灌木。 3.—Have you ever been to the new library? 你去过新图书馆吗？ —Yes, I have. It’s a high-tech library. 去过，那是一座高科技图书馆。 ✅ 答题小技巧：本话题常考现在完成时 + used to 混搭回答，回答变化类问题可优先套用单元核心句型。 模块五 单元语法（重难点，中考核心考点） 考点1：used to 的用法（单元第一重难点） 1.基本含义 表示过去习惯性动作/过去存在的状态，暗含“现在已经不再如此”，仅用于一般过去时。 2.三种句式结构 句式 结构公式 例句 肯定句 主语 + used to + 动词原形 I used to walk to school. 我过去常步行上学。 否定句 主语 + didn’t use to + 动词原形（最常用） He didn’t use to live in a big house. 他过去不住大房子里。 一般疑问句 Did + 主语 + use to + 动词原形? Did you use to shop online? 你过去网购吗？ 3.易混辨析（高频易错） used to do：过去常常做（现在不做） be used to do：被用来做某事（被动语态） be used to doing：习惯于做某事 考点2：现在完成时（单元第二重难点） 1.基本含义 表示过去发生的动作对现在造成的影响或结果；动作从过去开始，持续到现在。 2.基本结构 主语 + have/has（主语三单）+ 动词过去分词 3.标志性时间状语 yet, already, ever, never, for+一段时间, since+时间点, for ages 4.时态辨析（易错点） 一般过去时：只强调过去的动作，和现在无关；常配yesterday, last year等 现在完成时：侧重过去动作对现在的影响；常配already, yet等。 5.拓展辨析：have been to /have gone to /have been in have been to + 地点 去过某地（人已返回） 例：I have been to the new tourist attraction. have gone to + 地点 去了某地（人未回来） 例：—Where is your father? —He has gone to the farmland. have been in + 地点 + 时间段 在某地停留多久 例：They have been in this village for ten years. 速记口诀：to 去过已回，gone 去了未回，in 搭配时长。 语法典型例题+解析 例题1（单选）My father ___ drive to work, but now he rides a bike to keep healthy. A. used to B. is used to C. was used to D. use to 答案：A 解析：根据后半句“现在骑自行车”可知，前文表示“过去常常开车上班”；used to do 过去常常做某事，为固定用法；B/C项表示“习惯于/被用来”，不符合题意。 例题2（填空）We ________ (build) three new hospitals in our town so far. 答案：have built 解析：so far（迄今为止）是现在完成时标志性状语，主语we为复数，故填have+过去分词built。 模块六 高频易错点汇总（考前必看） 1.take place VS happen（易混） take place：有计划、有组织地发生（变化、活动、会议），无被动语态 happen：偶然发生意外、事件；固定搭配sth. happen to sb. 某人发生某事 2.used to 疑问句 易错提醒：疑问句中必须还原use原形，不能写成used； 正确句式：Did you use to...? 3.It takes句型时态 易错：过去式It took sb. 时间to do；现在式It takes sb. 时间to do，不可混用 4. 现在完成时禁忌： 不能与yesterday, last week等过去具体时间状语连用 模块七 单元写作专项（高频考题：家乡的变化） 1.写作命题分析 单元必考书面表达，中考高频考题；要求从交通、居住、环境、学习四个方面描述家乡/个人生活变化，结尾点明不变的事物，词数80-100词。 2.写作结构模板（三段式，直接套用） 第一段：开篇点题（总述变化） Great changes have taken place in my hometown during the past few years. Our life is quite different from before. 第二段：分点阐述（交通、居住、环境） In the past, people used to travel on foot or by old rough roads. They lived in small old houses and had few shopping choices. However, things are totally different now. The government has built wide roads and new railways. We can enjoy convenient shopping and live in bright big houses. Besides, the environment becomes greener and cleaner. 第三段：结尾升华（不变的事物） Though many things have changed, the warm friendship between neighbors and the love of family always stay the same. I love my beautiful hometown. 3.满分范文 Great changes have taken place in my hometown in recent years. In the past, people here lived a hard life. People used to walk to nearby places because of poor transport. They stayed in small old flats and could hardly buy daily things easily. The environment was also bad with few green plants. Now everything has changed. New wide roads connect every village. We have modern supermarkets and beautiful high-rise buildings. More trees and bushes are planted to improve our environment. We also have new hospitals and libraries for local people. Although our living conditions get better, the simple happiness of local people never changes. I am proud of my hometown. 模块八 当堂专项练习题（含答案+详细解析） 一、单项选择（5题，基础考点） 1.My brother ___ watch TV after school, but now he always does his homework first. A. used to B. was used to C. use to D. gets used to 2.The new railway ___ the travel time between two cities greatly. A. cuts B. increases C. takes D. makes 3.—Have you ___ been to the new greenhouse? —No, I haven’t. A. already B. ever C. never D. just 4.A large number of ___ are planted in sandy areas to stop sandstorms. A. bush B. bushes C. sandstorm D. farmland 5.It ___ people one day to cross the mountains in the past. A. takes B. took C. has taken D. will take 二、用所给词适当形式填空（5题，语法考点） 6.Our village ________ (build) a new library already. 7.He didn’t use to ________ (shop) online when he was young. 8.The ________ (wide) roads make our travel much easier. 9.Saihanba is famous for its green ________ (sandy) land turning into forest. 10.The government supports farmers ________ (develop) high-tech farming. 三、句型转换（3题，高频题型） 11.People used to live in small houses.（改为否定句） People ______ ______ to live in small houses. 12.It took him two hours to go to the town before.（同义句转换） He ______ two hours ______ to the town before. 13.Great changes have taken place in our hometown.（对划线部分提问） ______ ______ happened in your hometown? 四、补全对话（情景对话，单元必考） 补全对话（5 空） 根据对话内容，从方框中选择恰当的句子补全对话。 A: Hi, Li Ming. 1.______ B: Great! Our hometown has changed a lot. A: Really? 2.______ B: The transport is the biggest change. Roads are wider now. A: 3.______ B: Yes. The government also planted many bushes to stop sandstorms. A: Sounds good. 4.______ B: I often go to the new library in my free time. A: 5.______ B: It’s modern and full of digital books. A. What changed most? B. How do you like it? C. How is your hometown? D. Do you have a better environment now? E. What do you do in your free time? 五、短文填空（中考高频题型，基础拔高） （选用单元核心词汇：shortage, widely, build, use, change 适当变形） Great 1 have taken place in our town. There was a2 of farmland years ago. Now trees and bushes are planted everywhere. New houses 3 already. Digital products are 4 used here. People didn’t 5 to shop online before, but now it’s very common. 6、 习题答案+完整解析 （一）单项选择 1.答案：A 解析：考查used to用法，used to do过去常常做某事；be/get used to doing习惯于做某事，结合题意选A。 2.答案：A 解析：cut travel time 固定搭配，缩短出行时间；increase增加，不符合题意。 3.答案：B 解析：ever用于现在完成时疑问句，意为“曾经”；already多用于肯定句。 4.答案：B 解析：a number of后接可数名词复数，bush复数形式为bushes。 5.答案：B 解析：根据时间状语in the past可知用一般过去时，take过去式为took。 （二）词形填空 6.has built 解析：already为现在完成时标志，主语village为单数，has built亦可。 7.shop 解析：used to否定结构didn’t use to后接动词原形。 8.wide 解析：形容词修饰名词roads，无需变形。 9.sandy 解析：形容词修饰名词land，sandy land 沙地。 10.to develop 解析：固定搭配support sb. to do sth. 支持某人做某事。 （三）句型转换 11.didn’t use 解析：used to否定形式为didn’t use to+动词原形。 12.spent; going解析：固定句型转换：It takes sb. some time to do sth. = sb. spends some time (in) doing sth, 本句用一般过去时。 13.What has 解析：划线部分为事件，用what提问，时态保持现在完成时。 （四）补全对话 1. C 解析：根据答语可知此处询问家乡情况。 2. A 解析：由答句可知询问变化最大的方面。 3. D 解析：根据答语 Yes 可知为一般疑问句。 4. E 解析：答语回答空闲时的活动。 5. B 解析：询问对新图书馆的看法。 （五）短文填空 1.changes 解析：great changes 固定搭配 “巨变”。 2.shortage 解析：a shortage of 短缺。 3. have been built 解析：主语new houses与build是被动关系，already为现在完成时标志，故用现在完成时被动语态。 4. widely 解析：副词修饰动词，表 “广泛地”。 5. use 解析：didn’t use to 过去不常做。 学科网（北京）股份有限公司 $