Unit1The-Changing-World-练习 2026-2027学年人教版英语九年级上册

**基本信息** 本练习通过基础单选、巩固填空、应用翻译三层设计，实现从核心语法到综合表达的递进式知识巩固，适配单元复习中语言能力与思维品质的培养需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层（30题单选）|核心语法（现在完成时、used to、被动语态）、词汇辨析|聚焦单一语法点，如通过"over the past 20 years"考查现在完成时，夯实语言基础能力| |巩固层（20题短语填空）|短语灵活运用（used to、take place等）、词形变化|强调短语在语境中的应用，如"benefit from"结合新铁路情境，提升知识迁移能力| |应用层（20题完成句子）|时态与短语综合运用（汉译英）|整合语法与短语，如"我的家乡在过去20年发生了巨大变化"考查现在完成时与take place，培养综合语言表达能力|

第一课时 Section A (1a~2d) 答案 + 解析 Ⅰ. 方框选词填空 词库：support /government/soil /lack/rough /wide/corn /bush corn 解析：corn 玉米，不可数名词。句意：中国大部分玉米产自东北。 soil 解析：soil 土壤；stop the soil from being washed away 防止水土流失。句意：植树有助于防止土壤被冲走。 rough 解析：rough 崎岖不平的，修饰 mountain road 山路。句意：崎岖的山路让徒步有点艰难，但对所有人都意义非凡。 government 解析：local government 当地政府。句意：为吸引游客，当地政府新建两处特色景点。 lack 解析：lack 缺少；条件状语从句，主语 you，动词原形。句意：如果写作缺少足够练习，作文很难拿高分。 support 解析：support 互相扶持、理解。句意：良好沟通是幸福家庭的关键，能让彼此理解、互相扶持。 Ⅱ. 单词适当形式填空 faster 解析：than 是比较级标志，fast 比较级 faster。句意：高铁让跨省出行比从前快得多。 sandy 解析：sand 名词→sandy 形容词，修饰 beaches；sandy beaches 沙滩。 roots 解析：谓语动词 help 原形，主语为复数；root 根，复数 roots。句意：这种特殊树木发达的深根能抵御沙漠大风。 shortage 解析：food shortage 粮食短缺；short 形容词→shortage 名词 “短缺”。 Ⅲ. 选择填空 D. covered with 解析： be covered with 被…… 覆盖；地上铺满落叶 A be filled with 装满；B be made up of 由… 组成；C be made of 由… 制成 句意：秋天地面铺满落叶。 C. produce 解析：produce 产出；too…to… 太… 而不能；河水污染严重，无法产出鱼。 A support 支撑；B receive 收到；D influence 影响 C. take place 解析：take place 发生、进行；线上交易很容易开展。 A take off 起飞 / 脱衣；B take away 拿走；D take apart 拆开 A. field 解析：in the maths field 在数学领域；固定搭配 field 表示 “专业、领域”。 D. brought about 解析：bring about 导致、带来（变化）；AI 发展带来巨大社会变革。 A bring down 打倒；B bring in 引进；C bring up 抚养、提出 第二课时 Section A (3a~3d) 答案 + 解析 Ⅰ. 方框选词填空 词库：high-tech /village/greenhouse /railway/e-payment /housing/socialist /western socialist 解析：socialist country 社会主义国家，固定搭配。句意：中国是拥有悠久历史与灿烂传统文化的伟大社会主义国家。 greenhouse 解析：greenhouse 温室；温室能保温，适合冬季种植植物。 e-payment 解析：e-payment 电子支付；手机移动支付付款。 housing 解析：housing shortage 住房短缺；固定搭配。句意：肯尼亚政府努力解决贫困地区民众住房短缺问题。 high-tech 解析：high-tech tools 高科技工具。句意：如今我们用各类高科技工具提升学习工作效率。 railway 解析：high-speed railway 高铁；新开通的高铁线路。 Ⅱ. 选择填空 D. at present 解析：at present 目前、现在；这本书目前售罄，下周补货。 A in time 及时；B at all 根本；C by mistake 错误地 A. greatly 解析：greatly 极大地，修饰动词 affected；人会极大受环境影响。 B openly 公开地；C quickly 快速地；D wisely 明智地 B. electronic products 解析：电子产品伤眼；为保护眼睛减少使用电子产品的时间。 A 古风俗；C 文化交流；D 生活条件 B. takes 解析：固定句型 It takes time and effort to do sth. 需要花费时间精力。 Ⅲ. 根据汉语完成句子（每空一词） travelling to 解析：spend time (in) doing sth. 花费时间做某事；travel to faraway cities 去往远方城市。 all over 解析：all over the world 全世界，固定短语。 places of interest 解析：places of interest 旅游景点，many 后用复数。 plenty of /lots of 解析：plenty of /lots of 大量，修饰可数名词复数 experiences。 学科网（北京）股份有限公司 $ 人教版九年级 Unit1 The Changing World 专项练习题 一、单项选择（30 题） 1. Life ______ a lot in Li Rui’s hometown over the past 20 years. A. change B. changed C. has changed D. will change 2. They ______ travel far to see a doctor in the past. A. used to B. are used to C. get used to D. were used for 3. The hills ______ sand before, but now they are covered with trees. A. cover with B. covered with C. were covered with D. are covered with 4. It used to ______ nearly 40 minutes to go to school by bus. A. Take B. spend C. cost D. pay 5. —Have you ______ the new hospital in the town? —Yes, it ______ last year. A. seen; built B. saw; was built C. seen; was built D. saw; built 6. Many young people ______ in big cities, but now they come back to work at home. A. used to work B. are used to work C. used to working D. were used to work 7. Great changes ______ in Kenya since the new railway opened. A. take place B. took place C. have taken place D. will take place 8. The new railway ______ people to save much time on the trip. A. benefits B. benefits from C. is benefited D. benefit 9. ______, people can get more fresh fruit because transport becomes easier. A. As a result B. As result C. Result in D. Result from 10. The old railway line ______ in 1901, and it was very slow. A. builds B. built C. was built D. is built 11. —______ you ______ to the new library yet? —No, I haven’t. A. Did; go B. Have; been C. Have; gone D. Do; go 12. They planted bushes ______ the soil together to stop sandstorms. A. hold B. held C. to hold D. holding 13. There ______ lots of sandstorms all the time in the past. A. is B. are C. was D. were 14. The road was narrow before, but now it becomes ______. A. wide B. short C. deep D. thick 15. The farmers grow fruit and vegetables in high-tech ______ now. A. bridges B. greenhouses C. capitals D. products 16. It ______ them about 10 hours to travel from Mombasa to Nairobi by train in the old days. A. takes B. took C. has taken D. will take 17. The villagers sell local products ______ tourists and online now. A. for B. to C. with D. at 18. My life ______ what it was when I was in primary school. A. is different from B. different from C. is same as D. same as 19. We should work together ______ a better world. A. build B. building C. to build D. built 20. The environment ______ greatly since they planted trees here. A. improve B. improved C. has improved D. will improve 21. The hens feed ______ corn and vegetables on the farm. A. in B. on C. for D. with 22. —How long ______ you ______ in this town? —Since 2018. A. do; live B. did; live C. have; lived D. will; live 23. The digital ______ doesn’t have a physical form. A. product B. bush C. soil D. sandstorm 24. People used to carry food by hundreds of lorries, ______ now it only needs several trains. A. and B. but C. so D. or 25. The government ______ many high bridges over rivers these years. A. build B. built C. has built D. will build 26. I am more confident ______ my studies than before. A. In B. at C. for D. with 27. The area used to ______ covered with sand. A. be B. being C. been D. is 28. They have ______ planting trees in sandy areas with government support. A. begin B. began C. begun D. beginning 29. There are ______ sandstorms now than ten years ago. A. few B. fewer C. little D. less 30. One thing ______ the same: the love from our family. A. stay B. stays C. stayed D. will stay 二、短语选词填空（20 题)提示：词形按需变化，每词限用一次) used to, take place, be covered with, benefit from, as a result, feed on, sell…to, be different from, hold…together, take far less time 1. Great changes ______ in our hometown in the last ten years. 2. The hills ______ green trees now. 3. Local people ______ the new railway a lot. 4. ______, more people can enjoy fresh vegetables. 5. They ______ travel far to see doctors when they were poor. 6. The new train ______ to travel between the two cities. 7. The roots of the bush can ______ the soil ______. 8. Farmers ______ fruits ______ visitors in the village. 9. My life ______ what it was five years ago. 10. Hens ______ corn and vegetables on the farm. 11. People ______ live in small houses, but now they have new flats. 12. Many wonderful things ______ since the new road was built. 13. The whole mountain ______ snow in winter. 14. We all ______ the better environment around us. 15. ______, the villagers’ lives become richer and happier. 16. The high-speed train ______ than the old train. 17. We should plant trees to ______ the soil ______. 18. Shops ______ local snacks ______ tourists every day. 19. The weather today ______ that of yesterday. 20. Pandas ______ bamboo in the wild. 三、完成句子（20 题，汉译英，重点时态 & 短语） 1. 在过去，这里常常有沙尘暴。There ______ ______ sandstorms here in the past. 2. 这座山现在被绿树覆盖。The mountain ______ ______ ______ green trees now. 3. 新铁路让当地人从中受益匪浅。Local people ______ ______ ______ the new railway. 4. 因此，人们能吃到更多新鲜食物。______ ______, people can eat more fresh food. 5. 过去坐公交上学要花将近 40 分钟。It ______ nearly 40 minutes ______ go to school by bus before. 6. 我的家乡在过去 20 年发生了巨大变化。 Great changes ______ ______ ______ in my hometown in the past 20 years. 7. 农民们把果蔬卖给游客和线上顾客。 Farmers ______ fruit and vegetables ______ tourists and online buyers. 8. 我的生活和小学时不一样了。My life ______ ______ ______ what it was in primary school. 9. 母鸡以玉米和蔬菜为食。Hens ______ ______ corn and vegetables. 10. 政府已经修建了很多公路和大桥。The government ______ ______ many highways and bridges. 11. 树根可以牢牢固定土壤。 The roots can ______ the soil ______. 12. 以前他们不得不走很远去看病。They ______ ______ travel far to see a doctor before. 13. 现在的火车耗时短得多。The new train ______ ______ ______ time than the old one. 14. 自从种树之后，环境已经改善了很多。The environment ______ ______ a lot since they planted trees. 15. 我们应该一起努力共建更美好的世界。We should work together ______ ______ a better world. 16. 他们现在有超市和新医院了。They ______ ______ a supermarket and a new hospital now. 17. 现在的沙尘暴比以前更少了。There are ______ sandstorms now ______ before. 18. 我对学习比以前更加自信。I am more confident ______ my studies than before. 19. 一件事始终不变：家人之间的爱。 One thing ______ ______ the same: the love among family members. 20. 很多年轻人过去在大城市工作，现在返乡创业。 Many young people ______ ______ in big cities, but now they return home to work. 学科网（北京）股份有限公司 $