Unit1知识点-Section A 2a-2d讲义2026-2027学年人教版英语九年级上册

本初中英语讲义聚焦九年级上册Unit 1 Section A 2a-2d核心知识点，围绕环境问题主题，系统梳理rank, affect等词汇、used to be句型、现在完成时及比较级+and+比较级结构，构建从词汇理解到句型运用再到主题表达的学习支架。 资料通过排序问题（如将环境问题排序并说明理由）培养思维品质，多样化综合练习（填空、单选等）提升语言能力，高频短语汇总与语法点拨助力课后自主学习，既辅助课中教学实施，又帮助学生查漏补缺，强化知识应用。

九年级英语上册Unit1知识点-Section A 2a-2d讲义 【课文要点】 1. Rank the following problems from 1 to 4, with 1 being the worst. Give your reasons. 将以下问题从1到4排序，1为最严重。给出你的理由。 - rank v. 排列，排序 - worst adj. 最糟糕的 - reason n. 理由，原因 - e.g. Rank the problems from 1 to 4, with 1 being the ____________. 可排序的问题： - lack of technology 缺乏技术 - sandstorms 沙尘暴 - environmental shortage 环境短缺 2. What problems did they mention? 他们提到了什么问题？ - mention v. 提及，提到 - e.g. What problems did they ____________? 3. How has the environment affected local lives? 环境如何影响了当地人的生活？ - affect v. 影响 - local adj. 当地的 - e.g. How has the environment ____________ local lives? 4. There used to be sandstorms all the time, and the farmland was getting smaller and smaller. 过去常常有沙尘暴，农田变得越来越小。 - used to be 过去曾经是 - sandstorm n. 沙尘暴 - all the time 一直，始终 - farmland n. 农田 - smaller and smaller 越来越小 - e.g. There ____________ to be sandstorms all the time. - e.g. The farmland was getting ____________ and smaller. 5. Locals worked by hand. 当地人靠双手劳作。 - locals n. 当地人 - by hand 靠手工 - e.g. Locals worked ____________ hand. 6. Locals found a bush. It had deep roots that could hold the soil together. 当地人发现了一种灌木。它的深根能把土壤固定在一起。 - bush n. 灌木 - deep adj. 深的 - root n. 根 - hold together 使连在一起，固定 - soil n. 土壤 - e.g. Locals found a ____________. 7. They began planting it in sandy soil with the government's support. 他们在政府的支持下开始在沙土中种植它。 - sandy adj. 含沙的，沙质的 - support n. 支持 - e.g. They began planting it in ____________ soil. - e.g. With the ____________’s support, they began planting. 8. They had technology to help. 他们有技术来帮忙。 - technology n. 技术 - e.g. They had ____________ to help. 9. The corn fields are green. 玉米田现在是绿色的。 - corn n. 玉米 - field n. 田地 - e.g. The ____________ fields are green. 10. They have planted many bushes and trees since then. 从那时起他们已经种了许多灌木和树木。 - since then 从那时起 - e.g. They have planted many bushes and trees ____________ then. 11. There are fewer sandstorms now and the environment is getting better. 现在沙尘暴更少了，环境正在变得更好。 - fewer adj. 更少的（修饰可数名词） - get better 变得更好 - e.g. There are ____________ sandstorms now. - e.g. The environment is getting ____________. 12. It has improved local lives. 它改善了当地人的生活。 - improve v. 改善，提高 - e.g. It has ____________ local lives. 【语法点拨】 1. used to be / used to do 过去常常做某事（现在不再如此） - There used to be sandstorms all the time. - Locals used to work by hand. 2. 现在完成时 (have/has + 过去分词) 表示过去发生的动作对现在的影响 - They have planted many bushes and trees since then. - It has improved local lives. 3. 比较级 + and + 比较级 表示“越来越……” - smaller and smaller（越来越小） - better and better（越来越好） 【高频短语汇总】中英互译 1. all the time __________ 2. __________ 一直，始终 3. by hand __________ 4. __________ 靠手工 5. hold together __________ 6. __________ 固定在一起 7. with one's support __________ 8. __________ 在某人的支持下 9. since then __________ 10. __________ 从那时起 11. get better __________ 12. __________ 变得更好 13. used to be __________ 14. __________ 过去曾经是 15. sandy soil __________ 16. __________ 沙土 【综合练习】 一、根据句意和首字母提示填空 1. There used to be s________ all the time. 2. The f________ were getting smaller and smaller. 3. Locals worked by h_______. 4. Locals found a b_______. 5. It had d________ roots that could hold the s________ together. 6. They had t________ to help. 7. The c________ fields are green. 8. It has i________ local lives. 二、根据汉语意思完成句子 1. 过去常常有沙尘暴。 There ________ to be sandstorms all the time. 2. 农田变得越来越小。 The farmland was getting ________ and ________. 3. 当地人靠双手劳作。 Locals worked ________ hand. 4. 当地人发现了一种灌木。 Locals ________ a bush. 5. 它在沙土中生长。 It grew in ________ soil. 6. 在政府的支持下，他们开始种植。 ________ the government’s support, they began planting. 7. 从那时起他们已经种了许多树。 They have planted many trees ________ then. 8. 现在沙尘暴更少了。 There are ________ sandstorms now. 9. 环境正在变得更好。 The environment is getting ________. 10. 它改善了当地人的生活。 It has ________ local lives. 三、单项选择 ( ) 1. There used to ________ sandstorms all the time. A. be B. have C. had D. being ( ) 2. The farmland was getting smaller ________ smaller. A. or B. but C. and D. so ( ) 3. Locals worked ________ hand. A. on B. with C. by D. for ( ) 4. The bush had deep roots that could hold the ________ together. A. tree B. soil C. water D. plant ( ) 5. They began planting it ________ sandy soil. A. in B. on C. at D. for ( ) 6. They planted many bushes and trees ________ then. A. for B. from C. since D. to ( ) 7. There are ________ sandstorms now. A. few B. fewer C. little D. less ( ) 8. It has improved local ________. A. life B. lives C. living D. lived 四、用所给词的正确形式填空 1. There ________ (be) sandstorms all the time in the past. 2. The farmland ________ (get) smaller and smaller. 3. Locals ________ (find) a bush. 4. They ________ (begin) planting it with the government’s support. 5. They ________ (plant) many bushes and trees since then. 6. The environment ________ (get) better now. 7. It ________ (improve) local lives. 五、根据提示完成对话 A: The area used to be covered with sand. B: ________ (他们做了什么) to solve this problem? A: They planted bushes and trees. ________ (土地已经) become green. 【答案】 一、 1. sandstorms 2. farmland 3. hand 4. bush 5. deep, soil 6. technology 7. corn 8. improved 二、 1. used 2. smaller, smaller 3. by 4. found 5. sandy 6. With 7. since 8. fewer 9. better 10. improved 三、 1. A 2. C 3. C 4. B 5. A 6. C 7. B 8. B 四、 1. were 2. were getting 3. found 4. began 5. have planted 6. is getting 7. has improved 五、 1. What did they do 2. The land has 1 学科网（北京）股份有限公司 $