Unit5知识点-Section A 2a-2d讲义2026～2027学年人教版英语九年级上册

本讲义聚焦九年级英语上册Unit 5 Section A 2a-2d核心内容，围绕3D打印主题梳理过去时间状语（last weekend）、核心词汇（favourite, invention, design, send, produce, create等）及被动语态结构（be designed/sent/produced/created），通过例句填空、短语互译搭建学习支架，衔接课文问题与语言应用。 该资料以真实语境（3D打印机制作药物、假肢等实例）为载体，设计多样化练习（填空、单选、物品判断等），强化语言能力（词汇与语法运用），通过实例分析培养思维品质（联系生活实际），答案完整便于课后自查，助力学生巩固知识、查漏补缺，提升学习能力。

九年级英语上册Unit5知识点-Section A 2a-2d讲义 【课文要点】 1. Where did Han Lin go last weekend? 韩林上周末去了哪里？ - last weekend 上周末 - e.g. Where did Han Lin go ____________ weekend? 2. What was Han Lin's favourite invention? Why? 韩林最喜欢的发明是什么？为什么？ - favourite adj. 最喜欢的 - invention n. 发明 - e.g. What was Han Lin's ____________ invention? 3. The object is designed on the computer. 物体是在电脑上设计的。 - object n. 物体，物品 - design v. 设计 - e.g. The object is ____________ on the computer. 4. The file is sent to the 3D printer. 文件被发送到3D打印机。 - file n. 文件 - send v. 发送（过去式 sent） - 3D printer 3D打印机 - e.g. The file is ____________ to the 3D printer. 5. The file is produced by the 3D printer. 文件由3D打印机打印出来。 - produce v. 生产，制作 - e.g. The file is ____________ by the 3D printer. 6. The object is created by building up plastic. 物体是通过层层堆积塑料来创造的。 - create v. 创造 - build up 堆积，逐步建立 - plastic n. 塑料 - e.g. The object is ____________ by building up plastic. 3D打印机可以制作的东西： - medicine 药物 - arms and legs 手臂和腿（假肢） - hearts 心脏（器官模型） - toys 玩具 - chairs 椅子 - tables 桌子 - shoes 鞋子 - computers 电脑 - houses 房子 - food 食物 【高频短语汇总】中英互译 1. last weekend __________ 2. __________ 上周末 3. favourite invention __________ 4. __________ 最喜欢的发明 5. 3D printer __________ 6. __________ 3D打印机 7. build up __________ 8. __________ 堆积，逐步建立 9. be designed on the computer __________ 10. __________ 在电脑上设计 11. be sent to __________ 12. __________ 被发送到 13. be produced by __________ 14. __________ 由……生产 15. be created by __________ 16. __________ 由……创造 【综合练习】 一、根据句意和首字母提示填空 1. The object is d________ on the computer. 2. The file is s________ to the 3D printer. 3. The file is p________ by the 3D printer. 4. The object is created by building up p________. 5. A 3D printer can make a________ and legs. 6. It can also make m________. 二、根据汉语意思完成句子 1. 物体是在电脑上设计的。 The object is ________ on the computer. 2. 文件被发送到3D打印机。 The file is ________ to the 3D printer. 3. 文件由3D打印机打印出来。 The file is ________ by the 3D printer. 4. 物体是通过层层堆积塑料来创造的。 The object is ________ by building up plastic. 5. 3D打印机可以制作药物。 A 3D printer can make ________. 6. 3D打印机可以制作手臂和腿。 A 3D printer can make ________ and legs. 三、单项选择 ( ) 1. The object is ________ on the computer. A. design B. designs C. designed D. designing ( ) 2. The file is ________ to the 3D printer. A. send B. sends C. sending D. sent ( ) 3. The file is ________ by the 3D printer. A. produce B. produces C. producing D. produced ( ) 4. The object is created by building ________ plastic. A. in B. up C. on D. out ( ) 5. A 3D printer can make ________. A. medicine B. medicines C. medical D. medicinal ( ) 6. ________ did Han Lin go last weekend? A. What B. Where C. When D. Why 四、用所给词的正确形式填空 1. The object is ________ (design) on the computer. 2. The file is ________ (send) to the 3D printer. 3. The file is ________ (produce) by the 3D printer. 4. The object is ________ (create) by building up plastic. 5. A 3D printer can make ________ (medicine). 6. It can also make ________ (arm) and legs. 五、判断3D打印机是否可以制作以下物品，可以打√ ( ) 1. medicine ( ) 2. arms and legs ( ) 3. hearts ( ) 4. toys ( ) 5. chairs ( ) 6. tables ( ) 7. shoes ( ) 8. computers ( ) 9. houses ( ) 10. food 【答案】 一、 1. designed 2. sent 3. produced 4. plastic 5. arms 6. medicine 二、 1. designed 2. sent 3. produced 4. created 5. medicine 6. arms 三、 1. C 2. D 3. D 4. B 5. A 6. B 四、 1. designed 2. sent 3. produced 4. created 5. medicine 6. arms 五、 1. √ 2. √ 3. √ 4. √ 5. √ 6. √ 7. √ 8. √ 9. √ 10. √ 1 学科网（北京）股份有限公司 $