Unit 3 I can email my friends with the computer （知识清单）-2026-2027学年湘少版（三起）英语五年级上册

该小学英语知识清单聚焦“电脑和互联网用途”主题，系统梳理核心知识点。从电脑用途短语（如email friends、search for information）入手，通过“What can you do...?”“I can...with the computer”句型构建表达能力，衔接阅读信息提取与邮件写作技能，融入网络安全意识，形成从词汇到语用的学习支架。 知识链路以单元目标为引领，通过“知识地图”串联各板块核心内容，从词汇短语、句型语法到课文理解、写作表达层层递进。特色在于结合生活实际（智能生活、网络安全），通过速记表和写作模板强化语言能力，借助信息提取任务培养思维品质，易错提醒与安全指南助力学习能力提升，逻辑清晰且实用性强。

湘少版小学英语 · 五年级上册 Unit 3 I can email my friends with the computer 知识清单 单元主题：认识电脑和互联网的用途，能说明自己可以用电脑做什么，并形成安全、适度使用网络的意识。 一、单元学习目标 1. 能听懂、认读并运用电脑用途短语：email my friends, send greetings, search for information, take online lessons。 2. 能用 What can you do with the computer? 询问电脑用途。 3. 能用 I can ... with the computer. 表达自己能用电脑做的事情。 4. 能读懂关于电脑使用的短文，提取 Dongdong 能做什么、Lingling 教他什么等信息。 5. 能写一封简单 email，介绍自己的新电脑及合理使用电脑的建议。 二、单元知识地图 板块 核心内容 需要掌握 A Look, Listen and Say Mingming 得到电脑 理解电脑能 help you a lot，并能 search for information, know more about the world。 B Listen and Learn 电脑用途短语 掌握 email, send greetings, search for information, take online lessons。 Let's Practise 询问电脑能做什么 能问 What can you do with the computer? 并作答。 D Read and Act 机器人和视频聊天 理解 cleaning robot, clean the floor, video chat, how to use it。 F Let's Read Dongdong 使用电脑 能提取 birthday gift, email friends, take online lessons, draw and paint, search for information。 G Let's Write 写一封 email 能介绍电脑用途，并提醒不能用电脑太久。 H / Internet security 智能生活和网络安全 了解 online shopping, smart homes，以及不分享个人信息、不和陌生人聊天。 三、重点词汇与短语 1. 电脑用途 英文表达 中文 例句 email my friends 给朋友们发电子邮件 I can email my friends with the computer. send greetings 发送问候 I can send greetings to my friends. search for information 搜索信息 I can search for information about robots. take online lessons 上在线课程 He can take online lessons too. listen to music 听音乐 I can listen to music. video chat with friends 和朋友视频聊天 We can video chat with our friends. draw and paint 画画和涂色/绘画 Lingling teaches Dongdong to draw and paint. play computer games 玩电脑游戏 Don't play computer games too often. 2. 网络与智能生活 英文表达 中文 使用场景 cleaning robot 清洁机器人 It can help us to clean the floor. online doctors 在线医生 H Let's Learn to Learn 拓展内容 self-driving cars 自动驾驶汽车 智能生活拓展 smart homes 智能家居 智能生活拓展 online shopping 网上购物 We can do online shopping. personal information 个人信息 Never share your personal information online. strangers 陌生人 Do not chat with strangers. 四、重点短语与表达 表达 中文 教材语境 buy a computer for him 给他买一台电脑 Mingming's father buys a computer for him. do a lot of things 做很多事情 He can do a lot of things with the computer. use it now 现在使用它 Can I use it now? help you a lot 帮你很多 It can help you a lot. know more about the world 更多地了解世界 You can also know more about the world. be bad for ... 对……有害 It is bad for your eyes. write back soon 尽快回信 Please write back soon. 五、核心句型 句型 功能 例句 What can you do with the computer? 询问能用电脑做什么 What can you do with the computer? I can + 动词原形 + with the computer. 表达能用电脑做某事 I can search for information with the computer. Can I + 动词原形 ...? 请求允许 Can I use it now? It can help us to + 动词原形. 说明工具能帮助做什么 It can help us to clean the floor. Don't + 动词原形 ... 提出禁止或提醒 Don't play computer games too often. We can't + 动词原形 ... 表达不能做某事 We can't use the computer for too long. 六、核心语法精讲（一）：can + 动词原形 can 是情态动词，表示“能、会、可以”。它后面必须接动词原形，不随主语变化。无论主语是 I, you, he, she, it, we, they，can 都不加 s。 结构 说明 例句 主语 + can + 动词原形. 肯定句，说明能做某事。 I can email my friends. 主语 + can't + 动词原形. 否定句，说明不能做某事。can't = cannot。 We can't use the computer for too long. Can + 主语 + 动词原形? 一般疑问句，用来询问能不能或请求允许。 Can I use it now? What can + 主语 + do ...? 特殊疑问句，询问能做什么。 What can you do with the computer? 易错提醒：can 后面用动词原形 正确：He can search for information. 不说 He can searches for information. 正确：Can I use it now? 不说 Can I uses it now? can 不随主语变化：I can, she can, they can。 can't 后面也用动词原形：We can't use the computer for too long. 七、核心语法精讲（二）：with the computer 表示工具 with the computer 表示“用电脑”，说明做某事使用的工具。它通常放在句末，也可以放在动作短语后面。 结构 说明 例句 I can + 动作 + with the computer. 用电脑完成某事。 I can email my friends with the computer. learn ... with the computer 用电脑学习。 Dongdong wants to learn drawing and painting with the computer. search for ... with the computer 用电脑搜索。 Lingling shows him how to search for information with the computer. with + 工具 with 后接工具名词。 We can chat with our friends on the internet. 易错提醒：with 和 on 的区别 with the computer 强调“用电脑这个工具”。 on the internet 强调“在网上”。 可以说 search for information with the computer，也可以说 watch the news on the internet。 不要漏掉 the：with the computer 表示这台/这类电脑工具。 八、核心语法精讲（三）：Don't ... / be bad for ... 本单元不仅学习电脑能做什么，也提醒学生合理使用电脑。Don't + 动词原形 用来提醒“不要……”。be bad for ... 表示“对……有害”。 表达 功能 例句 Don't + 动词原形. 提醒或禁止别人不要做某事 Don't play computer games too often. be bad for + 名词 说明对某物/某人有害 It is bad for your eyes. not ... too often 不要太频繁 Don't play computer games too often. not ... for too long 不要太长时间 We can't use the computer for too long. 九、课文理解：A Look, Listen and Say 人物/物品 关键信息 重点句 Mingming 得到爸爸买的 computer，很 happy Dad, thank you. I like this computer. Dad 说明电脑能帮很多忙 It can help you a lot. Computer 可以搜索机器人信息、了解世界 I can search for information about robots. / You can also know more about the world. 十、阅读理解：F Let's Read Dongdong 的电脑是 birthday gift。他可以用电脑 email friends in Australia，也可以 take online lessons。Lingling 教他 draw and paint，还教他 search for information，并提醒他不要经常玩电脑游戏。 填空线索 答案 依据 birthday gift computer His father buys him a computer. friends in Australia email He can email his friends in Australia. online lessons take He can take online lessons too. draw and ... paint Dongdong wants to learn drawing and painting. search for ... information Lingling shows him how to search for information. not to ... computer games play Don't play computer games too often. 十一、网络安全与合理使用 可以做 注意事项 share diaries, photos, paintings and stories Never share your personal information online. watch the news and search for information Some information is not real. Be careful. chat with friends on the internet Do not chat with strangers. Do not meet online friends. take online lessons and know more about the world Do not use the computer for too long. It is bad for your eyes. 十二、写作表达：Write an email about your computer 写 email 时可以按“问候 + 新电脑 + 能做什么 + 合理使用提醒 + 结束语”的顺序写。 写作步骤 可用句型 范例 1. 问候 How are you? Dear Peter, How are you? 2. 介绍电脑 I have a new computer. It's very useful. I'm so excited! I have a new computer. 3. 说明用途 I can ... I can also ... I can email my friends. I can also take online lessons and search for information. 4. 提醒合理使用 But we can't ... It is bad for ... But we can't use the computer for too long. It is bad for our eyes. 5. 结束 Please write back soon. Regards, Please write back soon. Regards, Lingling 范例 Dear Peter, How are you? I'm so excited! I have a new computer. It's very useful. I can email my friends. I can also take online lessons and search for information. But we can't use the computer for too long. It is bad for our eyes. Please write back soon. Regards, Dongdong 十三、单元速记 项目 速记内容 询问用途 What can you do with the computer? 表达能力 I can email my friends / search for information / take online lessons. 工具表达 with the computer = 用电脑 安全提醒 Don't play computer games too often. / It is bad for your eyes. 写作顺序 greeting -> new computer -> uses -> warning -> closing 学科网（北京）股份有限公司 $