Unit 5 Section A同步讲义（单词短语句型） 2026-2027学年人教版九年级英语上册

本讲义聚焦九年级上册Unit5 Section A发明类主题，系统梳理核心词汇（如camera, laptop, invent, produce）、动词过去分词变形（如invent→invention/inventor）及4组被动句型（含before引导的时间状语从句被动、情态动词被动等），构建从词汇默写、词形变换到句型仿写的递进式学习支架。 该资料以语言能力培养为核心，通过语法分析结合具体语境（如“收音机发明改变信息传播”）提升表达准确性，仿写练习（如“高铁发明前人们长途出行耗时”）促进思维品质发展。配套练习题（填空、选择、翻译）强化知识应用，课中辅助教师分层教学，课后助力学生自主查漏补缺，落实“学-练-用”一体化教学目标。

九年级上册Unit5 Section A 同步精讲讲义（单词短语句型） 单元预习极简目标 1. 熟记section A发明类词汇、短语，掌握invent、produce等动词过去分词变形。 2. 掌握4组核心句型，能完成句型仿写、主动被动转换。 基础默写 （一）单词英汉互译 1. camera ________ 2. laptop ________ 3. high-speed train ________ 4. ________ (adj.) 超级的 5. sunglasses ________ 6. mini- prefix. ________ 7. itself pron. ________ 8. button ________ 9. hundreds (of…) ________ 10. ________ (v.) 生产；制造 11. file ________ 12. plastic ________ 13. printer ________ 14. ________ (v.) 发明；创造 15. all over the world ________ 16. suppose v. ________ 17. be supposed to do ________ 18. wheel ________ 19. ________ (adj.) 冻硬的；冰封的 20. complete v.&adj. ________ 21. layer ________ 22. melt ________ 23. pipe ________ 24. tunnel ________ 25. tourism ________ 26. ________ (v.) 获得；取得 27. design v. ________ 28. send v. ________ （二）词形变换默写 1. invent (v.) → ________ (n. 发明)；________ (n. 发明家) 2. produce (v.) → ________ (n. 产品) 3. print (v.) → ________ (n. 打印机) 4. connect (v.) → ________ (过去分词) 5. send (v.) → ________ (过去式/过去分词) 6. make (v.) → ________ (过去分词) 7. press (v.) → ________ (过去分词) （三）重点短语默写 1. ________________ 一副墨镜 2. ________________ 全世界 3. ________________ 数以百计的 4. ________________ 3D打印机 5. ________________ 发送文件 6. ________________ 按下按钮 7. ________________ 由……制造 8. ________________ 自动添加油盐 9. ________________ 在十九世纪九十年代 10. ________________ 跨大西洋 （四）重点句型默写 1. 在收音机被发明之前，信息传播十分缓慢，世界因收音机变小。 ____________________________________________________________________ 2. 油和盐也由机器本身自动添加。 ____________________________________________________________________ 3. 玩具、桌椅甚至房屋都可以由3D打印机制造。 ____________________________________________________________________ 4. 按下按钮启动机器时，它本不该发出巨大噪音。 ____________________________________________________________________ 重点句型精讲 【Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio.】 语法分析 1. before引导时间状语从句，从句为一般过去时被动was invented； 2. 后半句一般过去时被动was made，much修饰比较级smaller； 3. 被动突出发明带来的巨大改变。 适用作文主题：古今通讯变化、伟大发明改变生活 例句：Before mobile payment was widely used, people paid almost everything with cash. 例句：Before smartphones appeared, people communicated mainly through paper letters. 仿写练习（中文提示） 1. 在高铁被发明之前，人们长途出行需要耗费大量时间。________________________________________ 2. 互联网让整个世界变得更小了。________________________________________ 【The oil and salt are also added by the machine itself.】 语法分析 1. 一般现在时被动are added，描述设备日常工作流程； 2. itself作同位语，by引出动作执行者。 适用作文主题：智能设备、自动化家电、家用发明 例句：All raw materials are mixed by the automatic robot itself in the workshop. 例句：Clean water is filled by the machine itself before cooking starts. 仿写练习（中文提示） 1. 配料由机器本身自动混合。________________________________________ 2. 垃圾由智能设备自己分类。________________________________________ 【Toys, chairs, tables, and even houses can all be made by the 3D printer.】 语法分析 1. 情态动词被动结构can be made，表事物可被制造； 2. even递进，凸显3D打印用途广泛。 适用作文主题：3D打印、未来创新科技、新型发明 例句：Medical tools and model buildings can all be created by new 3D technology. 例句：Many daily small goods can be produced by this modern printing machine. 仿写练习（中文提示） 1. 各种各样的生活用品都可以被3D打印机制造。________________________________________ 2. 零件可以由这台智能机器生产。________________________________________ 【It wasn’t supposed to make such a loud noise when the button was pressed to start the machine.】 语法分析 1. be supposed to do 固定搭配，否定wasn’t supposed to do 本不该； 2. when从句内含一般过去时被动was pressed； 3. to start the machine 不定式作目的状语。 适用作文主题：机器操作、实验规范、设备安全、发明调试 例句：It wasn’t supposed to break down when the power button was turned on. 例句：The machine isn’t supposed to stop suddenly when it is turned on. 仿写练习（中文提示） 1. 按下按钮时，这台机器本不该停止运转。________________________________________ 2. 这个设备运行时本不该产生高温。________________________________________ 同步配套练习题 一、用所给词的适当形式填空 1. A mini-camera ________ (connect) to Super See glasses every day. 2. Hundreds of dishes ________ (make) by the smart cooking machine every day. 3. The oil and salt ________ (add) into the machine automatically. 4. The first radio ________ (invent) by Guglielmo Marconi in the 1890s. 5. A radio message ________ (send) across the Atlantic in 1901. 6. Toys and chairs ________ (can produce) by the new 3D printer. 7. All kinds of plastic parts ________ (produce) after the file is sent. 8. This high-speed train ________ (design) many years ago. 9. The button ________ (press) before you start the cooking work. 10. Many useful files ________ (store) inside the laptop now. 11. This pair of sunglasses ________ (call) Super See by people. 12. Wild plants ________ (not use) to make dishes in the machine. 二、单项选择 1. A small camera ______ to the front of the special glasses. A. connect B. is connected C. connected D. was connect 2. —Can houses ______ by 3D printers? —Yes, they can. A. make B. made C. be made D. are made 3. The radio ______ in the 1890s by an Italian inventor. A. invented B. is invented C. was invented D. invent 4. Lots of food ______ by the smart machine every single day. A. cooks B. is cooked C. was cooked D. cook 5. When the button ______, the machine will start working. A. press B. is pressed C. pressed D. was pressing 6. All the files ______ to the printer before printing things. A. must send B. must be sent C. are send D. sent 7. This kind of laptop ______ widely by students now. A. uses B. is used C. was used D. use 8. The first cross-ocean radio message ______ in 1901. A. sends B. sent C. is sent D. was sent 9. —What ______ this machine ______ for? —It’s used to cook food. A. do; use B. is; used C. was; use D. does; used 10. Plastic ______ to make many small things by 3D printers. A. can use B. can be used C. can used D. be can used 11. Many years ago, trains ______ much slower than today’s high-speed ones. A. are built B. were built C. build D. built 12. Sunglasses with mini cameras ______ to help people with poor eyesight. A. create B. created C. are created D. was created 3、 中英互译 （一）汉译英 1. 在收音机被发明之前，信息传播十分缓慢。 ____________________________________________________________________ 2. 油和盐由机器本身自动添加。 ____________________________________________________________________ 3. 玩具、桌椅甚至房屋都可以由3D打印机制造。 ____________________________________________________________________ 4. 19世纪90年代收音机被发明出来。 ____________________________________________________________________ 5. 1901年，第一条无线电信息跨大西洋传送。 ____________________________________________________________________ （二）英译汉 1. Hundreds of dishes can be made by this smart cooking machine. ____________________________________________________________________ 2. All plastic parts are produced after the file is sent. ____________________________________________________________________ 3. This kind of invention is shown in the invention exhibition. ____________________________________________________________________ 4. The mini-camera is connected to the front of the special sunglasses. ____________________________________________________________________ 5. Modern trains were built many years ago. ____________________________________________________________________ 学科网（北京）股份有限公司 $ 九年级上册Unit5 Section A 同步精讲讲义（单词短语句型） 单元预习极简目标 1. 熟记section A发明类词汇、短语，掌握invent、produce等动词过去分词变形。 2. 掌握4组核心句型，能完成句型仿写、主动被动转换。 基础默写 （一）单词英汉互译 1. camera ________ 2. laptop ________ 3. high-speed train ________ 4. ________ (adj.) 超级的 5. sunglasses ________ 6. mini- prefix. ________ 7. itself pron. ________ 8. button ________ 9. hundreds (of…) ________ 10. ________ (v.) 生产；制造 11. file ________ 12. plastic ________ 13. printer ________ 14. ________ (v.) 发明；创造 15. all over the world ________ 16. suppose v. ________ 17. be supposed to do ________ 18. wheel ________ 19. ________ (adj.) 冻硬的；冰封的 20. complete v.&adj. ________ 21. layer ________ 22. melt ________ 23. pipe ________ 24. tunnel ________ 25. tourism ________ 26. ________ (v.) 获得；取得 27. design v. ________ 28. send v. ________ （二）词形变换默写 1. invent (v.) → ________ (n. 发明)；________ (n. 发明家) 2. produce (v.) → ________ (n. 产品) 3. print (v.) → ________ (n. 打印机) 4. connect (v.) → ________ (过去分词) 5. send (v.) → ________ (过去式/过去分词) 6. make (v.) → ________ (过去分词) 7. press (v.) → ________ (过去分词) （三）重点短语默写 1. ________________ 一副墨镜 2. ________________ 全世界 3. ________________ 数以百计的 4. ________________ 3D打印机 5. ________________ 发送文件 6. ________________ 按下按钮 7. ________________ 由……制造 8. ________________ 自动添加油盐 9. ________________ 在十九世纪九十年代 10. ________________ 跨大西洋 （四）重点句型默写 1. 在收音机被发明之前，信息传播十分缓慢，世界因收音机变小。 ____________________________________________________________________ 2. 油和盐也由机器本身自动添加。 ____________________________________________________________________ 3. 玩具、桌椅甚至房屋都可以由3D打印机制造。 ____________________________________________________________________ 4. 按下按钮启动机器时，它本不该发出巨大噪音。 ____________________________________________________________________ 重点句型精讲 【Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio.】 语法分析 1. before引导时间状语从句，从句为一般过去时被动was invented； 2. 后半句一般过去时被动was made，much修饰比较级smaller； 3. 被动突出发明带来的巨大改变。 适用作文主题：古今通讯变化、伟大发明改变生活 例句：Before mobile payment was widely used, people paid almost everything with cash. 例句：Before smartphones appeared, people communicated mainly through paper letters. 仿写练习（中文提示） 1. 在高铁被发明之前，人们长途出行需要耗费大量时间。________________________________________ 2. 互联网让整个世界变得更小了。________________________________________ 【The oil and salt are also added by the machine itself.】 语法分析 1. 一般现在时被动are added，描述设备日常工作流程； 2. itself作同位语，by引出动作执行者。 适用作文主题：智能设备、自动化家电、家用发明 例句：All raw materials are mixed by the automatic robot itself in the workshop. 例句：Clean water is filled by the machine itself before cooking starts. 仿写练习（中文提示） 1. 配料由机器本身自动混合。________________________________________ 2. 垃圾由智能设备自己分类。________________________________________ 【Toys, chairs, tables, and even houses can all be made by the 3D printer.】 语法分析 1. 情态动词被动结构can be made，表事物可被制造； 2. even递进，凸显3D打印用途广泛。 适用作文主题：3D打印、未来创新科技、新型发明 例句：Medical tools and model buildings can all be created by new 3D technology. 例句：Many daily small goods can be produced by this modern printing machine. 仿写练习（中文提示） 1. 各种各样的生活用品都可以被3D打印机制造。________________________________________ 2. 零件可以由这台智能机器生产。________________________________________ 【It wasn’t supposed to make such a loud noise when the button was pressed to start the machine.】 语法分析 1. be supposed to do 固定搭配，否定wasn’t supposed to do 本不该； 2. when从句内含一般过去时被动was pressed； 3. to start the machine 不定式作目的状语。 适用作文主题：机器操作、实验规范、设备安全、发明调试 例句：It wasn’t supposed to break down when the power button was turned on. 例句：The machine isn’t supposed to stop suddenly when it is turned on. 仿写练习（中文提示） 1. 按下按钮时，这台机器本不该停止运转。________________________________________ 2. 这个设备运行时本不该产生高温。________________________________________ 同步配套练习题 一、用所给词的适当形式填空 1. A mini-camera ________ (connect) to Super See glasses every day. 2. Hundreds of dishes ________ (make) by the smart cooking machine every day. 3. The oil and salt ________ (add) into the machine automatically. 4. The first radio ________ (invent) by Guglielmo Marconi in the 1890s. 5. A radio message ________ (send) across the Atlantic in 1901. 6. Toys and chairs ________ (can produce) by the new 3D printer. 7. All kinds of plastic parts ________ (produce) after the file is sent. 8. This high-speed train ________ (design) many years ago. 9. The button ________ (press) before you start the cooking work. 10. Many useful files ________ (store) inside the laptop now. 11. This pair of sunglasses ________ (call) Super See by people. 12. Wild plants ________ (not use) to make dishes in the machine. 二、单项选择 1. A small camera ______ to the front of the special glasses. A. connect B. is connected C. connected D. was connect 2. —Can houses ______ by 3D printers? —Yes, they can. A. make B. made C. be made D. are made 3. The radio ______ in the 1890s by an Italian inventor. A. invented B. is invented C. was invented D. invent 4. Lots of food ______ by the smart machine every single day. A. cooks B. is cooked C. was cooked D. cook 5. When the button ______, the machine will start working. A. press B. is pressed C. pressed D. was pressing 6. All the files ______ to the printer before printing things. A. must send B. must be sent C. are send D. sent 7. This kind of laptop ______ widely by students now. A. uses B. is used C. was used D. use 8. The first cross-ocean radio message ______ in 1901. A. sends B. sent C. is sent D. was sent 9. —What ______ this machine ______ for? —It’s used to cook food. A. do; use B. is; used C. was; use D. does; used 10. Plastic ______ to make many small things by 3D printers. A. can use B. can be used C. can used D. be can used 11. Many years ago, trains ______ much slower than today’s high-speed ones. A. are built B. were built C. build D. built 12. Sunglasses with mini cameras ______ to help people with poor eyesight. A. create B. created C. are created D. was created 3、 中英互译 （一）汉译英 1. 在收音机被发明之前，信息传播十分缓慢。 ____________________________________________________________________ 2. 油和盐由机器本身自动添加。 ____________________________________________________________________ 3. 玩具、桌椅甚至房屋都可以由3D打印机制造。 ____________________________________________________________________ 4. 19世纪90年代收音机被发明出来。 ____________________________________________________________________ 5. 1901年，第一条无线电信息跨大西洋传送。 ____________________________________________________________________ （二）英译汉 1. Hundreds of dishes can be made by this smart cooking machine. ____________________________________________________________________ 2. All plastic parts are produced after the file is sent. ____________________________________________________________________ 3. This kind of invention is shown in the invention exhibition. ____________________________________________________________________ 4. The mini-camera is connected to the front of the special sunglasses. ____________________________________________________________________ 5. Modern trains were built many years ago. ____________________________________________________________________ 参考答案 基础默写答案 （一）单词英汉互译 1. 照相机 2. 笔记本电脑 3. 高铁 4. super 5. 墨镜 2. 微型的（前缀）7. 它自己 8. 按钮 9. 数百…… 3. produce 11. 文件 12. 塑料 13. 打印机 14. invent 4. 全世界 16. 认为；推断 17. 应当做…… 18. 车轮 5. frozen 20. 完成；完全的 21. 层 22. 融化 23. 管道 6. 隧道 25. 旅游业 26. gain 27. 设计 28. 发送 （二）词形变换 1. invention; inventor 2. product 3. printer 4. connected 2. sent 6. made 7. pressed （三）重点短语 1. a pair of sunglasses 2. all over the world 3. hundreds of 4. 3D printer 5. send files 6. press the button 7. be made by 8. oil and salt are added automatically 9. in the 1890s 10. cross the Atlantic Ocean （四）重点句型 1. Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. 2. The oil and salt are also added by the machine itself. 3. Toys, chairs, tables, and even houses can all be made by the 3D printer. 4. It wasn’t supposed to make such a loud noise when the button was pressed to start the machine. 句型仿写参考 句型1仿写 1. Before high-speed trains were invented, people spent a long time travelling long distances. 2. The world is made much smaller by the Internet. 句型2仿写 1. The ingredients are mixed by the machine itself. 2. Rubbish is sorted by smart devices themselves. 句型3仿写 1. All kinds of daily things can be made by 3D printers. 2. Parts can be produced by this smart machine. 句型4仿写 1. It wasn’t supposed to stop working when the button was pressed. 2. The device wasn’t supposed to produce high heat while working. 练习题答案 一、适当形式填空 1. is connected 2. are made 3. are added 4. was invented 2. was sent 6. can be produced 7. are produced 8. was designed 3. is pressed 10. are stored 11. is called 12. are not used 二、单项选择 1.B 2.C 3.C 4.B 5.B 6.B 7.B 8.D 9.B 10.B 11.B 12.C 三、中英互译参考 汉译英 1. Before the radio was invented, information travelled very slowly. 2. The oil and salt are added by the machine automatically. 3. Toys, desks, chairs and even houses can be made by 3D printers. 4. The radio was invented in the 1890s. 5. A radio message was sent across the Atlantic Ocean for the first time in 1901. 英译汉 1. 这款智能烹饪机可以做出数百道菜肴。 2. 所有塑料零件都会在文件发送后被生产出来。 3. 这项发明在发明展上进行展出。 4. 微型摄像头连接在这款特殊墨镜的前端。 5. 现代火车是很多年前建造的。 学科网（北京）股份有限公司 $