Unit 1 The Changing World重点知识点 · 易错专项练习 2026-2027学年人教版九年级英语上册

**基本信息** 聚焦九年级Unit1核心词汇、短语及语法点，通过基础与提升题分层训练，强化语言应用与易错点突破，提升语言能力与思维品质。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |重点词汇|8题（含change/improve等辨析）|选择、填空、改错|从词义辨析到语法应用，构建词汇网络| |重点短语|8题（含over the years等搭配）|选择、填空、改错|结合语境强化短语固定搭配与运用| |核心语法|40题（含现在完成时等9大语法点）|选择、填空、改错|从基础时态到从句应用，层层递进| |话题写作|4题（环保与社会发展）|选择、填空、改错|综合词汇语法，提升语篇表达能力|

最新人教版 九年级上册Unit 1 The Changing World 重点知识点 · 易错专项练习 【Unit 1 重点单词与短语一览】 ◇ ★ 重点词汇： change 改变　develop 发展　improve 改善　increase 增加 reduce 减少　pollute 污染　protect 保护　save 节省；拯救 energy 能源　environment 环境　population 人口 technology 技术　communication 交流 afford 负担得起　provide 提供 ◇ ★ 重点短语： over the years 多年来 take place 发生 hundreds of 成百上千的 make a difference 有影响；起作用 deal with 处理；应付 cut down 减少；砍伐 instead of 代替；而不是 lead to 导致 as a result 结果 play a part in 在……中起作用 ◇ ★ 核心语法要点： ① 现在完成时（have/has + 过去分词） ② since 和 for 引导的时间状语 ③ 非谓语动词作主语（动名词/不定式） ④ 宾语从句（that/if/whether 引导） ⑤ 被动语态（am/is/are + 过去分词） ⑥ 情态动词表推测（must/might/could/may/can't） ⑦ 形容词比较级和最高级 ⑧ 词汇辨析（change/improve/increase/reduce） ⑨ 短语搭配（make a difference/deal with/lead to） ⑩ 单元话题写作：环保与社会发展 【单元重点易错专项练习】 考点一：重点词汇——change/develop/improve/increase/reduce/pollute/protect/save ▷ 基础题： 1. ( ) "改善我们的环境" 应翻译为： A. change our environment B. improve our environment C. increase our environment D. reduce our environment 2. Fill in: We should ____ (protect) the Earth. ▷ 提升题： 1. ( ) Which means "负担得起"? A. provide B. afford C. save D. develop 2. 改错：The population are increasing quickly. 错误：__________ 改正：__________ 考点二：重点短语——over the years/take place/hundreds of/make a difference/deal with ▷ 基础题： 1. ( ) "多年来，科技发展迅速" 应翻译为： A. Technology develops quickly over the years. B. Technology develops quickly for years. C. Technology develops quickly since years. D. Technology developed quickly over the years. 2. Fill in: Every one of us can ____ (make) a difference. ▷ 提升题： 1. ( ) Which is correct? A. Hundreds of students is coming. B. Hundreds of students are coming. C. Hundred of students are coming. D. Hundreds students are coming. 2. 改错：We should deal the problem. 错误：__________ 改正：__________ 考点三：现在完成时（have/has + 过去分词） ▷ 基础题： 1. ( ) "我们已经学了很多单词" 应翻译为： A. We learn many words. B. We learned many words. C. We have learned many words. D. We had learned many words. 2. Fill in: She ____ (has) finished her homework. ▷ 提升题： 1. ( ) Which is correct? A. They has seen the film. B. They have saw the film. C. They have seen the film. D. They have see the film. 2. 改错：I have went to Beijing twice. 错误：__________ 改正：__________ 考点四：since 和 for 引导的时间状语 ▷ 基础题： 1. ( ) "我爷爷已经去世三年了" 应翻译为： A. My grandpa has been dead for three years. B. My grandpa has died for three years. C. My grandpa has been dead since three years. D. My grandpa died for three years. 2. Fill in: I have lived here ____ (since) 2010. ▷ 提升题： 1. ( ) Which is correct? A. He has worked here since five years. B. He has worked here for five years. C. He works here for five years. D. He worked here for five years. 2. 改错：She has studied English since three years ago. 错误：__________ 改正：__________ 考点五：非谓语动词作主语（动名词/不定式） ▷ 基础题： 1. ( ) "读书是一种好习惯" 应翻译为： A. Read books is a good habit. B. Reading books is a good habit. C. To read books is a good habit. D. Both B and C 2. Fill in: ____ (Swimming) is good exercise. ▷ 提升题： 1. ( ) Which is correct? A. Learn English is important. B. Learning English is important. C. Learned English is important. D. Learnt English is important. 2. 改错：To swim in the river is dangerous thing. 错误：__________ 改正：__________ 考点六：宾语从句（that/if/whether 引导） ▷ 基础题： 1. ( ) "我知道他住在北京" 应翻译为： A. I know that he lives in Beijing. B. I know he live in Beijing. C. I know if he lives in Beijing. D. I know whether he lives in Beijing. 2. Fill in: I wonder ____ (if/whether) he will come. ▷ 提升题： 1. ( ) Which is correct? A. She asked that I was busy. B. She asked if I was busy. C. She asked if was I busy. D. She asked that was I busy. 2. 改错：I don't know that will happen in the future. 错误：__________ 改正：__________ 考点七：被动语态（am/is/are + 过去分词） ▷ 基础题： 1. ( ) "这本书被很多人阅读" 应翻译为： A. This book reads by many people. B. This book is readed by many people. C. This book is read by many people. D. This book read by many people. 2. Fill in: English ____ (is) spoken in many countries. ▷ 提升题： 1. ( ) Which is correct? A. The room cleaned every day. B. The room is cleaned every day. C. The room is cleaning every day. D. The room clean every day. 2. 改错：The trees were planted by the students last week. 错误：__________ 改正：__________ 考点八：情态动词表推测（must/might/could/may/can't） ▷ 基础题： 1. ( ) "他肯定是累了" 应翻译为： A. He might be tired. B. He could be tired. C. He must be tired. D. He may be tired. 2. Fill in: The man ____ (can't) be our teacher. He is too young. ▷ 提升题： 1. ( ) Which shows less certainty? A. must B. might C. is D. are 2. 改错：She must to be at home now. 错误：__________ 改正：__________ 考点九：形容词比较级和最高级 ▷ 基础题： 1. ( ) "这本书比那本更有趣" 应翻译为： A. This book is interesting than that one. B. This book is more interesting than that one. C. This book is most interesting than that one. D. This book is the more interesting than that one. 2. Fill in: This is the ____ (best) film I have ever seen. ▷ 提升题： 1. ( ) Which is correct? A. He is more taller than me. B. He is much tall than me. C. He is much taller than me. D. He is more tall than me. 2. 改错：This book is gooder than that one. 错误：__________ 改正：__________ 考点十：单元话题写作——环保与社会发展（词汇/语法综合运用） ▷ 基础题： 1. ( ) 写作中表达"我们必须保护环境"应说： A. We must protect the environment. B. We should protect the environment. C. We have to protect the environment. D. All of the above 2. Fill in: As we all know, pollution is becoming more and more ____(serious). ▷ 提升题： 1. ( ) Which sentence is best for writing? A. We should save water. It's important. B. Saving water is important. C. Water should be saved because it's important. D. Both B and C 2. 改错：The environment is changed greatly over the years. 错误：__________ 改正：__________ 【参考答案与详细解析】 ■ 考点一：重点词汇——change/develop/improve/increase/reduce/pollute/protect/save 基础题： 1. 答案：B 解析：improve 改善 2. 答案：protect 解析：protect 保护 提升题： 1. 答案：B 解析：afford 负担得起 2. 答案：are → is 解析：population 是单数概念 ■ 考点二：重点短语——over the years/take place/hundreds of/make a difference/deal with 基础题： 1. 答案：A 解析：over the years 多年来 2. 答案：make 解析：make a difference 起作用 提升题： 1. 答案：B 解析：hundreds of + 复数名词 2. 答案：deal → deal with 解析：deal with 处理 ■ 考点三：现在完成时（have/has + 过去分词） 基础题： 1. 答案：C 解析：现在完成时 2. 答案：has 解析：has finished 提升题： 1. 答案：C 解析：have + 过去分词 2. 答案：went → gone 解析：have gone 去过 ■ 考点四：since 和 for 引导的时间状语 基础题： 1. 答案：A 解析：for + 时间段 2. 答案：since 解析：since + 时间点 提升题： 1. 答案：B 解析：for + 时间段 2. 答案：since → for 解析：ago 与 for 搭配 ■ 考点五：非谓语动词作主语（动名词/不定式） 基础题： 1. 答案：D 解析：动名词或不定式作主语 2. 答案：Swimming 解析：动名词作主语 提升题： 1. 答案：B 解析：动名词作主语 2. 答案：thing 前加 a 解析：单数可数名词需冠词 ■ 考点六：宾语从句（that/if/whether 引导） 基础题： 1. 答案：A 解析：that 引导宾语从句 2. 答案：if/whether 解析：if/whether 引导宾语从句 提升题： 1. 答案：B 解析：if 引导宾语从句 2. 答案：that → what 解析：what 作主语 ■ 考点七：被动语态（am/is/are + 过去分词） 基础题： 1. 答案：C 解析：被动语态结构 2. 答案：is 解析：is spoken 提升题： 1. 答案：B 解析：被动语态 2. 答案：无错误 解析：正确 ■ 考点八：情态动词表推测（must/might/could/may/can't） 基础题： 1. 答案：C 解析：must 表示肯定推测 2. 答案：can't 解析：can't 表示否定推测 提升题： 1. 答案：B 解析：might 表示可能 2. 答案：to → be 解析：must be ■ 考点九：形容词比较级和最高级 基础题： 1. 答案：B 解析：more interesting 比较级 2. 答案：best 解析：最高级 提升题： 1. 答案：C 解析：much 修饰比较级 2. 答案：gooder → better 解析：better 是 good 的比较级 ■ 考点十：单元话题写作——环保与社会发展（词汇/语法综合运用） 基础题： 1. 答案：D 解析：多种表达都正确 2. 答案：serious 解析：比较级用法 提升题： 1. 答案：D 解析：B/C 都是高级表达 2. 答案：is changed → has changed 解析：现在完成时 学科网（北京）股份有限公司 $