Unit 2 Digital life(复习讲义)英语新教材沪教版五四学制八年级上册

2026-08-10
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学段 初中
学科 英语
教材版本 初中英语沪教版(五四学制)八年级上册
年级 八年级
章节 Unit 2 Digital life
类型 教案-讲义
知识点 -
使用场景 同步教学-单元练习
学年 2026-2027
地区(省份) 全国
地区(市) -
地区(区县) -
文件格式 ZIP
文件大小 534 KB
发布时间 2026-08-10
更新时间 2026-08-10
作者 英语中高考研究站
品牌系列 上好课·上好课
审核时间 2026-08-10
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价格 3.00储值(1储值=1元)
来源 学科网

摘要:

该初中英语Unit 2 Digital life复习讲义以“场景词汇-核心语法-语用能力-写作输出-素养培育”为逻辑主线构建知识体系,通过表格系统梳理时间状语从句(while/as soon as)和复合不定代词考点,用例句详解框架呈现核心知识点,清晰标注重难点分布及内在联系。 讲义亮点在于分层练习设计与方法指导,涵盖单词拼写、语法填空及书面表达,如语法题结合“主将从现”规则,写作提供辩证分析框架,培养语言能力与思维品质。助力不同层次学生夯实基础或深化理解,支持教师精准复习教学。

内容正文:

Unit 2 Digital life(复习讲义) 复习要点 1. 掌握数码设备、网络安全、线上学习三大场景核心词汇、固定搭配、交际句型; 2. 吃透两大核心语法:①时间状语从句(while /as soon as);②复合不定代词(some-/any-/no-/every-); 3. 熟练运用谈论数码利弊、网络安全、提出合理用机建议、线上交际句型; 4. 能完成观点类短文写作(My opinions on digital life),做到辩证分析利弊 + 给出建议;5. 树立健康上网、保护个人隐私的意识,积累数字生活写作高分素材。 复习重难点 重点:1. while 引导过去进行时(双动作同步进行);as soon as “主将从现” 时态规则2. 复合不定代词三大考点:形容词后置、主谓一致、肯定 / 否定 / 疑问句区分3. 数字生活高频固定搭配、议论文万能句型 难点:1. while 仅搭配延续性动词,与 when 用法区分;2. 不定代词 something/anything/nobody 在不同句式的选用;3. while 引导状语从句省略主语与 be 动词简化结构。 单元考点:单词、短语、句型 知识点1. Digital technology makes it much easier for students living in remote villages to get high-quality online lessons. 数字科技让住在偏远乡村的学生更容易获取优质线上课程。 【详解】 (1) make it + adj. + for sb. to do it 形式宾语结构 【例句】The app makes it convenient for us to chat. 这款软件方便我们聊天。 (2) living in remote villages 现在分词后置定语,修饰 students 【例句】The girl standing there is my sister. 站在那儿的女孩是我妹妹。 (3) remote villages 偏远乡村;high-quality 高质量的 【拓展】 quality 短语:high-quality 优质;low-quality 劣质 知识点2. According to a 2022 report, over 22 percent of people in rural India could not read or write until schools were provided with fast Internet. 根据 2022 年一份报告,在乡村学校配备高速网络前,印度超 22% 的居民不识字。 【详解】 (1) according to 根据,依据,后接文件、报道、人 【例句】According to the rule, you can’t run here. 根据规定,你不能在这里奔跑。 (2) until 直到…… 为止;not … until … 直到…… 才…… 【例句】I didn’t go to bed until I finished homework. 我写完作业才睡觉。 (3) be provided with 被配备,被提供;被动结构 【例句】All students are provided with textbooks. 所有学生都配有课本。 【拓展】 provide 搭配: 1. provide sb. with sth. 给某人提供某物 2. provide sth. for sb. 为某人提供某物 知识点3. The network of all smart home devices that connect to the Internet is called the Internet of Things, or IoT. 所有联网智能家居设备组成的网络,被称作物联网,简称 IoT。 【详解】 (1) that 引导定语从句修饰 devices;connect to 连接到 【例句】My computer connects to Wi-Fi every day. 我的电脑每天都连接无线网。 (2) be called 被称作,被动语态 【例句】This animal is called panda. 这种动物叫熊猫。 (3) smart home devices 智能家居设备 【拓展】 connect 短语: 1. connect A with B 把 A 和 B 相连 2. connect to the Internet 联网 知识点4. While we enjoy the convenience brought by smartphones, we should also pay attention to the harm of overusing digital products. 在享受智能手机带来的便利时,我们也要警惕过度使用电子产品的危害。 【详解】 (1) while 引导时间状语从句,“当…… 期间” 【例句】While my mum cooks, I do my homework. 妈妈做饭时,我写作业。 (2) brought by smartphones 过去分词后置定语,表被动 “被智能手机带来的” 【例句】The gifts sent by my friend are beautiful. 朋友寄来的礼物很好看。 (3) pay attention to 注意,留意;to 是介词,后接名词 / 动名词 【例句】Please pay attention to listening to the teacher. 请注意听老师讲课。 【拓展】 attention 短语: 1. draw attention 吸引注意力 2. focus attention on 集中注意力于 知识点5. It will not take long before almost every object in our houses is linked to the Internet through tiny sensors. 用不了多久,家里几乎所有物品都会通过微型传感器接入互联网。 【详解】 (1) It will not take long before … 句型:用不了多久就会…… 【例句】It won’t take long before we meet again. 我们很快就能再见。 (2) be linked to 与…… 相连,关联 【例句】Your health is linked to daily eating habits. 你的健康和日常饮食习惯相关。 (3) tiny sensors 微型传感器;through 介词,通过(工具、媒介) 【拓展】 link 同义搭配:be connected to 知识点6. Students who rely too much on search engines may lose the ability to think independently when they meet difficult problems. 过度依赖搜索引擎的学生,遇到难题时会丧失独立思考的能力。 【详解】 (1) who 定语从句修饰 students;rely on 依靠,依赖 【例句】We shouldn’t rely too much on our parents. 我们不能过度依赖父母。 (2) lose the ability to do sth. 失去做某事的能力 【例句】He lost the ability to speak after the accident. 事故后他失去了说话能力。 (3) independently 副词,独立地;修饰动词 think 【拓展】 rely 同义短语:depend on 知识点7. Firefighting robots that can walk and climb will send real-time video to control centres while they work inside burning buildings. 能行走攀爬的消防机器人在火场作业时,会向控制中心传输实时画面。 【详解】 (1) firefighting robots 消防机器人;real-time video 实时画面 (2) send sth. to sb./sp. 把某物发送到某地 【例句】I send messages to my friend every day. 我每天给朋友发消息。 (3) burning buildings 着火的建筑;burning 现在分词作定语 【拓展】 burn 变形:burning adj. 燃烧的;burnt adj. 烧焦的 知识点8. Many old people find digital payment difficult at first, but they get used to using it after a short period of practice. 许多老人一开始觉得数字支付很难,但稍加练习就能习惯使用。 【详解】 (1) find + 宾语 + adj. 发现某物…… 【例句】I find this game interesting. 我觉得这个游戏很有趣。 (2) at first 起初,一开始 【例句】At first I hated English, now I love it. 起初我讨厌英语,现在我很喜欢。 (3) get used to doing sth. 习惯做某事;to 为介词,后接动名词 【例句】I get used to getting up early. 我习惯早起。 【拓展】 易混辨析: 1. used to do 过去常常(现在不) 2. be used to do 被用来做 3. be/get used to doing 习惯于 知识点9. As more schools get online teaching equipment, students in poor areas can share learning resources with city kids easily. 随着更多学校配备线上教学设备,贫困地区学生能轻松和城里孩子共享学习资源。 【详解】 (1) as 引导伴随状语从句,“随着” 【例句】As time goes by, we grow up. 随着时间流逝,我们长大了。 (2) share sth. with sb. 和某人分享某物 【例句】She shares snacks with her classmates. 她和同学分享零食。 (3) learning resources 学习资源 【拓展】 share 短语:share in 分担,分享 知识点10. Smart walking sticks for the blind which can detect danger will send warning sounds as people walk close to walls or obstacles. 盲人智能导盲杖能探测危险,当行人靠近墙体或障碍物时会发出警示音。 【详解】 (1) which 定语从句修饰 sticks;detect danger 探测危险 (2) walk close to 靠近…… 行走;close to 靠近 【例句】Don’t walk close to the river. 不要靠近河边走。 (3) obstacles 障碍物;warning sounds 警示音 【拓展】 close 搭配:close to 靠近;get close to 接近 单元语法 语法 1:时间状语从句(II) (1)基本概念 主从复合句中,时间状语从句表示主句动作发生的时间。本单元重点学习由as soon as和while引导的时间状语从句。 (2)常见引导词及用法 引导词 含义 用法及例句 as soon as 一…… 就…… 强调一个动作紧接着另一个动作发生。主句用一般将来时,从句用一般现在时;主从句表习惯性动作时,均用一般现在时。如:As soon as John gets his new 3D printer, he will start printing. 约翰一拿到新 3D 打印机就会开始打印。As soon as the bell rings, students leave the classroom. 铃声一响,学生们就离开教室。 while 当…… 时;在…… 期间 强调两个动作同时发生,常描述持续的动作或状态,可用于进行时态。如:While the robots are moving, they send video information. 机器人移动时,会发送视频信息。While I was using the smartphone, my brother was playing with the laptop. 我用智能手机时,弟弟在玩笔记本电脑。 语法 2:复合不定代词 【复合不定代词分解】 1. 分类与构成 由 some-, any-, no-, every- 与 -one, -body, -thing 组合而成。 -one(人) -body(人) -thing(物) some- someone somebody something any- anyone anybody anything no- no one nobody nothing every- everyone everybody everything 2. 用法规则 (1)谓语动词用单数 Everyone is here. (每个人都到了。) Everything looks beautiful. (一切看起来都很美。) Nobody knows the answer. (没人知道答案。) (2)some- 与 any- 的用法 some- 用于肯定句;any- 用于否定句和疑问句 Someone is waiting for you. (有人等你。) I didn't see anyone. (我没看到任何人。) Is there anything I can do? (有什么我能做的吗?) (3)修饰语后置 形容词修饰复合不定代词时,必须后置。 ✅ something new(新东西) ✅ anyone else(其他人) ✅ nothing important(没什么重要的) ❌ new something (4)表示人的复合代词的区别 everyone / everybody:人人,所有人(强调整体) anyone / anybody:任何人(用于否定/疑问);任何人(肯定句 = anyone) no one / nobody:没有人 someone / somebody:某人(用于肯定句) 3. no one 与 none 的区别 no one none 指代对象 只能指人 指人或物 谓语动词 单数 可单可复 常见回答 Who...? How many/much...? 示例: —Who is in the room? —No one.(问人) —How many apples do you have? —None.(问数量) 【小结】 some- any- no- every- someone 某人 anyone 任何人 no one 没有人 everyone 每人 somebody 某人 anybody 任何人 nobody没有人 everybody每人 something某物,某事 anything任何事物 nothing 没有东西 everything一切 (1)复合不定代词的用法同some,any的用法。some-类复合不定代词一般用于肯定句中,也可用于表示希望得到肯定回答的疑问句中。any-类复合不定代词常用于否定句、疑问句或条件句中。也可用于肯定句 中,表示“任何人/物”。Would you like something to drink?你想喝点儿什么吗? (2)如果有形容词修饰,形容词应该放在复合不定代词之后。 I've been so bored for a long time. I hope to have something interesting to do.我无聊了很长时间,我希望能做一些有趣的事情。 单元写作专题 写作主题 My opinions on digital life 三段式标准写作框架 1. 开头:总起 —— 数码产品普及,数字生活无处不在 2. 中间:辩证分层 ①优点:线上学习、便捷沟通、快速获取信息 ②弊端:沉迷游戏、伤害视力、泄露隐私、减少线下交流 3. 结尾:提出建议 + 总结 —— 合理、健康使用电子产品 高分万能句型 1. Digital technology has greatly changed our daily life. 2. On the one hand, it brings us lots of convenience. 3. On the other hand, overuse of phones causes many problems. 4. In my opinion, we should make good use of digital products. 5. While enjoying its advantages, we need to pay attention to online safety. 6. As soon as we find strange links, we must refuse to open them. 满分范文赏析 My opinions on digital life Now digital products are everywhere around us. They bring great convenience to our life. We can take online classes and keep in touch with friends far away easily. However, spending too much time on screens is bad for our eyes and study. Some people even share private information with strangers online. In my opinion, we should use digital products properly. While we enjoy online fun, we must protect our privacy and control screen time. As soon as we finish our tasks, we’d better put our phones away. 范文解析 1. 语法亮点:同时运用 while /as soon as 两个单元核心从句; 2. 结构完整:总 — 利弊 — 建议三段式; 3. 单元高频词:digital products, private information, online, screen time, convenient; 4. 观点辩证,符合八年级议论文写作要求。 满分 100 分 时间 30 分钟 一、单词拼写(每空 2 分,共 20 分) 根据中文提示写出单词,注意词形变化 1. We can search for useful ________ (信息) on the Internet quickly. 2. It is not safe to share ________ (私人) information with online strangers. 3. There are many ________ (优点) of taking online lessons at home. 4. You need to set a strong ________ (密码) for your tablet. 5. This new app is very ________ (方便的) for students to learn English. 6. We should be ________ (意识到) of computer virus risks. 7. Too much screen time is bad for our ________ (健康). 8. Don’t ________ (下载) software from unknown websites. 9. Everyone has their own ________ (观点) about digital life. 10. The ________ (屏幕) of my smartphone is too small to read articles. 答案解析 1. information 解析:不可数名词,无复数;search for information 固定搭配 2. private 解析:形容词修饰名词 information,private information 私人信息 3. advantages 解析:many 后接可数名词复数,advantage 复数直接加 s 4. password 解析:a 后用单数名词,set a password 设置密码 5. convenient 解析:be 动词后作表语,it’s convenient to do 固定句型 6. aware 解析:固定短语 be aware of 意识到 7. health 解析:形容词性物主代词 our 后接名词;healthy 为形容词 8. download 解析:need to do,不定式后用动词原形 9. opinion 解析:one’s own + 名词,own 后用单数 10. screen 解析:the + 单数名词,特指手机屏幕 二、语法单句填空(每空 2 分,共 20 分) 用括号内词正确形式或填入合适引导词 1. Everyone ________ (know) we must protect personal data online. 2. While my sister ________ (chat) online last night, I was reading news. 3. I ________ (download) the English app as soon as I get home tomorrow. 4. There isn’t ________ (something) interesting on this website.(否定句) 5. He ________ (finish) his online course since last month.(现在完成时) 6. ________ (surf) the Internet, we should never click strange links.(从句简化) 7. We will turn off the tablet ________ we finish our homework.(一…… 就) 8. ________ my father was fixing the computer, my mum was shopping online. 9. Nobody ________ (allow) to share passwords with others.(被动语态) 10. When I got to the school, _________ (somebody) was outside. All of them were in the classroom. 答案解析 1. knows 解析:everyone 不定代词作主语,谓语三单 2. was chatting 解析:while 引导同步过去进行动作 3. will download 解析:as soon as 主将从现,主句将来时 4. anything 解析:否定句中 something 改为 anything 5. has finished 解析:since + 过去时间,主句现在完成时 6. Surfing 解析:主从句主语一致,while surfing 简化结构 7. as soon as 解析:句意一完成作业就关平板 8. While 解析:双过去进行时同步动作 9. is allowed 解析:不定代词 nobody 单数,被动语态 10. nobody 【详解】句意:当我到学校时,外面一个人也没有。他们都在教室里。somebody“某人”,不定代词;根据“All of them were in the classroom.”可知,没有人在外面,他们都在教室里;此处要用nobody,表示“没有人”。故填nobody。 三、短文语法填空(每空 2 分,共 20 分) Digital life becomes more and more popular now. It is very ______(1)(convenience) for students to take online courses, but we should be fully ______(2)(aware) of its risks. Many ______(3)(strange) websites carry hidden computer ______(4)(virus). Everyone ______(5)(need) to set safe passwords to protect ______(6)(we) private information. ______(7) I am using digital devices, I never share my phone number online. I will close unknown pages ______(8) I find them. There is ______(9) important we should remember: we can’t depend too much ______(10) smartphones. 答案 1. convenient 2. aware 3. strange 4. viruses 5. needs 2. our 7. While 8. as soon as 9. something 10. on 简要解析 1. be 动词后用形容词;4. many 后复数 viruses;5. everyone 三单;10. depend on 固定搭配 四、完成句子(每空 1 分,共 30 分;每题 3 空) 根据中文意思完成句子,每空限填一词 1. 在我看来,我们不能过度依赖网络。 ______ ______ ______, we can’t ______ too much ______ the Internet. 2. 我一写完作业就会关掉电脑。 I will turn off the computer ______ ______ ______ I finish homework. 3. 当我浏览网页时,妈妈正在线上购物。 ______ I ______ the Internet, Mum ______ ______ online. 4. 我们应当和亲友保持线上联系。 We should ______ ______ ______ our relatives online. 5. 保护私人信息是我们的责任。 It’s our duty ______ ______ our ______ information. 6. 不要整天玩游戏,取而代之去上网课。 Don’t play games all day; ______ ______, take online lessons. 7. 每个人都应当意识到网络安全的重要性。 Everyone should ______ ______ ______ the importance of online safety. 8. 网上既有优点也有弊端。 There are ______ advantages ______ ______ of using the Internet. 9. 我有一些有趣的线上故事要分享给你。 I have ______ ______ online stories to share with you. 10. 我们使用数码产品时要控制屏幕时间。 ______ ______ digital products, we need to control screen time. 参考答案 + 解析 1. In my opinion; depend; on 解析:in my opinion 观点句型;depend on 依赖 2. as soon as 解析:as soon as 主将从现固定连词 3. While; was surfing; was shopping 解析:while 双过去进行时 4. keep in touch with 解析:keep in touch with sb 保持联系 5. to protect; private 解析:It’s duty to do;private 私人的 6. instead of 解析:instead of doing/sth 代替 7. be aware of 解析:be aware of 意识到 8. both; and disadvantages 解析:both…and 两者都 9. something interesting 解析:不定代词形容词后置 10. While using 解析:while 引导分词简化结构 五、书面表达(10 分) 题目 My healthy digital habits 要求:60 词左右,包含三点: 1. 数字生活带来便利;2. 你的两条健康用机习惯;3. 呼吁合理使用电子产品。 _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【参考范文】 My healthy digital habits Digital products bring great convenience to our daily study and life. We can look up learning materials and chat with friends online easily. I have two good digital habits. First, I will put away my phone as soon as I finish all schoolwork. Second, while using the tablet, I never click strange unknown links. We should control our screen time and protect private information. Let’s use all digital products properly, my dear classmates! (全文 66 词) 【详细解析】 [第一步:审题立意] 体裁:议论文(优势 + 个人习惯 + 呼吁建议) 词数要求:60 词左右,范文 66 词完全符合标准 必须包含三大要点 ①数字生活带来便利;②两条健康使用电子产品的个人习惯;③呼吁大家合理使用数码产品 时态规划 客观事实(数码产品便利):一般现在时 个人日常上网习惯:一般现在时(搭配 as soon as 主将从现、while 过去 / 现在进行简化结构) 结尾呼吁:祈使句(let’s) 写作基调:简洁积极,全部选用 Unit 2 课内核心词汇,无超纲生词,紧扣单元语法考点 [第二步:构思布局(三段式短结构) 段落 功能 写作内容规划 第 1 段(1 句) 开篇点题 总述数码产品给学习、生活带来便利,点明数字生活的优势,对应写作要点一 第 2 段(2 句) 主体核心 用 First/Second 分层列举两条健康用机习惯,嵌入单元重点语法 as soon as、while 分词简化,对应写作要点二 第 3 段(1 句) 结尾升华 点明控制屏幕、保护隐私的重要性,发出集体呼吁,对应写作要点三 [第三步:要点展开(逐点对应原文) 要点 1:数字生活带来便利 原句:Digital products bring great convenience to our daily study and life. We can look up learning materials and chat with friends online easily. 用词解析:convenience(单元核心名词,便利);digital products 数码产品;look up learning materials 查找学习资料,均为本单元话题高频搭配。 要点 2:两条健康用机习惯(分点清晰,嵌入单元语法) ①习惯一:完成作业立刻放下手机 原句:First, I will put away my phone as soon as I finish all schoolwork. 语法亮点:as soon as 引导时间状语从句,严格遵循 “主将从现”,是本单元核心必考语法。 ②习惯二:使用平板时不点陌生链接 原句:Second, while using the tablet, I never click strange unknown links. 语法亮点:while 引导状语从句省略主语与 be 动词,简化为 while doing 结构,单元难点语法。 要点 3:呼吁合理使用电子产品 原句:We should control our screen time and protect private information. Let’s use all digital products properly, my dear classmates! 亮点句型: should 表建议;Let’s 祈使句发起集体呼吁;control screen time 控制屏幕时间、private information 私人隐私均为单元写作高分词块。 加分词句积累(Unit 2 课内词汇、短语、语法) 必备单词: digital adj. 数字的;convenience n. 便利;private adj. 私人的;properly adv. 合理地 高频短语: digital products 数码产品;screen time 屏幕时长;look up materials 查阅资料;as soon as 一…… 就;while doing 当…… 时 连接词:First; Second 分层清晰;and 并列连接 万能呼吁句:Let’s use digital products properly together. 6 原创精品资源学科网独家享有版权,侵权必究! 1 / 27 学科网(北京)股份有限公司 $ Unit 2 Digital life(复习讲义) 复习要点 1. 掌握数码设备、网络安全、线上学习三大场景核心词汇、固定搭配、交际句型; 2. 吃透两大核心语法:①时间状语从句(while /as soon as);②复合不定代词(some-/any-/no-/every-); 3. 熟练运用谈论数码利弊、网络安全、提出合理用机建议、线上交际句型; 4. 能完成观点类短文写作(My opinions on digital life),做到辩证分析利弊 + 给出建议;5. 树立健康上网、保护个人隐私的意识,积累数字生活写作高分素材。 复习重难点 重点:1. while 引导过去进行时(双动作同步进行);as soon as “主将从现” 时态规则2. 复合不定代词三大考点:形容词后置、主谓一致、肯定 / 否定 / 疑问句区分3. 数字生活高频固定搭配、议论文万能句型 难点:1. while 仅搭配延续性动词,与 when 用法区分;2. 不定代词 something/anything/nobody 在不同句式的选用;3. while 引导状语从句省略主语与 be 动词简化结构。 单元考点:单词、短语、句型 知识点1. Digital technology makes it much easier for students living in remote villages to get high-quality online lessons. 数字科技让住在偏远乡村的学生更容易获取优质线上课程。 【详解】 (1) make it + adj. + for sb. to do it 形式宾语结构 【例句】The app makes it convenient for us to chat. 这款软件方便我们聊天。 (2) living in remote villages 现在分词后置定语,修饰 students 【例句】The girl standing there is my sister. 站在那儿的女孩是我妹妹。 (3) remote villages 偏远乡村;high-quality 高质量的 【拓展】 quality 短语:high-quality 优质;low-quality 劣质 知识点2. According to a 2022 report, over 22 percent of people in rural India could not read or write until schools were provided with fast Internet. 根据 2022 年一份报告,在乡村学校配备高速网络前,印度超 22% 的居民不识字。 【详解】 (1) according to 根据,依据,后接文件、报道、人 【例句】According to the rule, you can’t run here. 根据规定,你不能在这里奔跑。 (2) until 直到…… 为止;not … until … 直到…… 才…… 【例句】I didn’t go to bed until I finished homework. 我写完作业才睡觉。 (3) be provided with 被配备,被提供;被动结构 【例句】All students are provided with textbooks. 所有学生都配有课本。 【拓展】 provide 搭配: 1. provide sb. with sth. 给某人提供某物 2. provide sth. for sb. 为某人提供某物 知识点3. The network of all smart home devices that connect to the Internet is called the Internet of Things, or IoT. 所有联网智能家居设备组成的网络,被称作物联网,简称 IoT。 【详解】 (1) that 引导定语从句修饰 devices;connect to 连接到 【例句】My computer connects to Wi-Fi every day. 我的电脑每天都连接无线网。 (2) be called 被称作,被动语态 【例句】This animal is called panda. 这种动物叫熊猫。 (3) smart home devices 智能家居设备 【拓展】 connect 短语: 1. connect A with B 把 A 和 B 相连 2. connect to the Internet 联网 知识点4. While we enjoy the convenience brought by smartphones, we should also pay attention to the harm of overusing digital products. 在享受智能手机带来的便利时,我们也要警惕过度使用电子产品的危害。 【详解】 (1) while 引导时间状语从句,“当…… 期间” 【例句】While my mum cooks, I do my homework. 妈妈做饭时,我写作业。 (2) brought by smartphones 过去分词后置定语,表被动 “被智能手机带来的” 【例句】The gifts sent by my friend are beautiful. 朋友寄来的礼物很好看。 (3) pay attention to 注意,留意;to 是介词,后接名词 / 动名词 【例句】Please pay attention to listening to the teacher. 请注意听老师讲课。 【拓展】 attention 短语: 1. draw attention 吸引注意力 2. focus attention on 集中注意力于 知识点5. It will not take long before almost every object in our houses is linked to the Internet through tiny sensors. 用不了多久,家里几乎所有物品都会通过微型传感器接入互联网。 【详解】 (1) It will not take long before … 句型:用不了多久就会…… 【例句】It won’t take long before we meet again. 我们很快就能再见。 (2) be linked to 与…… 相连,关联 【例句】Your health is linked to daily eating habits. 你的健康和日常饮食习惯相关。 (3) tiny sensors 微型传感器;through 介词,通过(工具、媒介) 【拓展】 link 同义搭配:be connected to 知识点6. Students who rely too much on search engines may lose the ability to think independently when they meet difficult problems. 过度依赖搜索引擎的学生,遇到难题时会丧失独立思考的能力。 【详解】 (1) who 定语从句修饰 students;rely on 依靠,依赖 【例句】We shouldn’t rely too much on our parents. 我们不能过度依赖父母。 (2) lose the ability to do sth. 失去做某事的能力 【例句】He lost the ability to speak after the accident. 事故后他失去了说话能力。 (3) independently 副词,独立地;修饰动词 think 【拓展】 rely 同义短语:depend on 知识点7. Firefighting robots that can walk and climb will send real-time video to control centres while they work inside burning buildings. 能行走攀爬的消防机器人在火场作业时,会向控制中心传输实时画面。 【详解】 (1) firefighting robots 消防机器人;real-time video 实时画面 (2) send sth. to sb./sp. 把某物发送到某地 【例句】I send messages to my friend every day. 我每天给朋友发消息。 (3) burning buildings 着火的建筑;burning 现在分词作定语 【拓展】 burn 变形:burning adj. 燃烧的;burnt adj. 烧焦的 知识点8. Many old people find digital payment difficult at first, but they get used to using it after a short period of practice. 许多老人一开始觉得数字支付很难,但稍加练习就能习惯使用。 【详解】 (1) find + 宾语 + adj. 发现某物…… 【例句】I find this game interesting. 我觉得这个游戏很有趣。 (2) at first 起初,一开始 【例句】At first I hated English, now I love it. 起初我讨厌英语,现在我很喜欢。 (3) get used to doing sth. 习惯做某事;to 为介词,后接动名词 【例句】I get used to getting up early. 我习惯早起。 【拓展】 易混辨析: 1. used to do 过去常常(现在不) 2. be used to do 被用来做 3. be/get used to doing 习惯于 知识点9. As more schools get online teaching equipment, students in poor areas can share learning resources with city kids easily. 随着更多学校配备线上教学设备,贫困地区学生能轻松和城里孩子共享学习资源。 【详解】 (1) as 引导伴随状语从句,“随着” 【例句】As time goes by, we grow up. 随着时间流逝,我们长大了。 (2) share sth. with sb. 和某人分享某物 【例句】She shares snacks with her classmates. 她和同学分享零食。 (3) learning resources 学习资源 【拓展】 share 短语:share in 分担,分享 知识点10. Smart walking sticks for the blind which can detect danger will send warning sounds as people walk close to walls or obstacles. 盲人智能导盲杖能探测危险,当行人靠近墙体或障碍物时会发出警示音。 【详解】 (1) which 定语从句修饰 sticks;detect danger 探测危险 (2) walk close to 靠近…… 行走;close to 靠近 【例句】Don’t walk close to the river. 不要靠近河边走。 (3) obstacles 障碍物;warning sounds 警示音 【拓展】 close 搭配:close to 靠近;get close to 接近 单元语法 语法 1:时间状语从句(II) (1)基本概念 主从复合句中,时间状语从句表示主句动作发生的时间。本单元重点学习由as soon as和while引导的时间状语从句。 (2)常见引导词及用法 引导词 含义 用法及例句 as soon as 一…… 就…… 强调一个动作紧接着另一个动作发生。主句用一般将来时,从句用一般现在时;主从句表习惯性动作时,均用一般现在时。如:As soon as John gets his new 3D printer, he will start printing. 约翰一拿到新 3D 打印机就会开始打印。As soon as the bell rings, students leave the classroom. 铃声一响,学生们就离开教室。 while 当…… 时;在…… 期间 强调两个动作同时发生,常描述持续的动作或状态,可用于进行时态。如:While the robots are moving, they send video information. 机器人移动时,会发送视频信息。While I was using the smartphone, my brother was playing with the laptop. 我用智能手机时,弟弟在玩笔记本电脑。 语法 2:复合不定代词 【复合不定代词分解】 1. 分类与构成 由 some-, any-, no-, every- 与 -one, -body, -thing 组合而成。 -one(人) -body(人) -thing(物) some- someone somebody something any- anyone anybody anything no- no one nobody nothing every- everyone everybody everything 2. 用法规则 (1)谓语动词用单数 Everyone is here. (每个人都到了。) Everything looks beautiful. (一切看起来都很美。) Nobody knows the answer. (没人知道答案。) (2)some- 与 any- 的用法 some- 用于肯定句;any- 用于否定句和疑问句 Someone is waiting for you. (有人等你。) I didn't see anyone. (我没看到任何人。) Is there anything I can do? (有什么我能做的吗?) (3)修饰语后置 形容词修饰复合不定代词时,必须后置。 ✅ something new(新东西) ✅ anyone else(其他人) ✅ nothing important(没什么重要的) ❌ new something (4)表示人的复合代词的区别 everyone / everybody:人人,所有人(强调整体) anyone / anybody:任何人(用于否定/疑问);任何人(肯定句 = anyone) no one / nobody:没有人 someone / somebody:某人(用于肯定句) 3. no one 与 none 的区别 no one none 指代对象 只能指人 指人或物 谓语动词 单数 可单可复 常见回答 Who...? How many/much...? 示例: —Who is in the room? —No one.(问人) —How many apples do you have? —None.(问数量) 【小结】 some- any- no- every- someone 某人 anyone 任何人 no one 没有人 everyone 每人 somebody 某人 anybody 任何人 nobody没有人 everybody每人 something某物,某事 anything任何事物 nothing 没有东西 everything一切 (1)复合不定代词的用法同some,any的用法。some-类复合不定代词一般用于肯定句中,也可用于表示希望得到肯定回答的疑问句中。any-类复合不定代词常用于否定句、疑问句或条件句中。也可用于肯定句 中,表示“任何人/物”。Would you like something to drink?你想喝点儿什么吗? (2)如果有形容词修饰,形容词应该放在复合不定代词之后。 I've been so bored for a long time. I hope to have something interesting to do.我无聊了很长时间,我希望能做一些有趣的事情。 单元写作专题 写作主题 My opinions on digital life 三段式标准写作框架 1. 开头:总起 —— 数码产品普及,数字生活无处不在 2. 中间:辩证分层 ①优点:线上学习、便捷沟通、快速获取信息 ②弊端:沉迷游戏、伤害视力、泄露隐私、减少线下交流 3. 结尾:提出建议 + 总结 —— 合理、健康使用电子产品 高分万能句型 1. Digital technology has greatly changed our daily life. 2. On the one hand, it brings us lots of convenience. 3. On the other hand, overuse of phones causes many problems. 4. In my opinion, we should make good use of digital products. 5. While enjoying its advantages, we need to pay attention to online safety. 6. As soon as we find strange links, we must refuse to open them. 满分范文赏析 My opinions on digital life Now digital products are everywhere around us. They bring great convenience to our life. We can take online classes and keep in touch with friends far away easily. However, spending too much time on screens is bad for our eyes and study. Some people even share private information with strangers online. In my opinion, we should use digital products properly. While we enjoy online fun, we must protect our privacy and control screen time. As soon as we finish our tasks, we’d better put our phones away. 范文解析 1. 语法亮点:同时运用 while /as soon as 两个单元核心从句; 2. 结构完整:总 — 利弊 — 建议三段式; 3. 单元高频词:digital products, private information, online, screen time, convenient; 4. 观点辩证,符合八年级议论文写作要求。 满分 100 分 时间 30 分钟 一、单词拼写(每空 2 分,共 20 分) 根据中文提示写出单词,注意词形变化 1. We can search for useful ________ (信息) on the Internet quickly. 2. It is not safe to share ________ (私人) information with online strangers. 3. There are many ________ (优点) of taking online lessons at home. 4. You need to set a strong ________ (密码) for your tablet. 5. This new app is very ________ (方便的) for students to learn English. 6. We should be ________ (意识到) of computer virus risks. 7. Too much screen time is bad for our ________ (健康). 8. Don’t ________ (下载) software from unknown websites. 9. Everyone has their own ________ (观点) about digital life. 10. The ________ (屏幕) of my smartphone is too small to read articles. 二、语法单句填空(每空 2 分,共 20 分) 用括号内词正确形式或填入合适引导词 1. Everyone ________ (know) we must protect personal data online. 2. While my sister ________ (chat) online last night, I was reading news. 3. I ________ (download) the English app as soon as I get home tomorrow. 4. There isn’t ________ (something) interesting on this website.(否定句) 5. He ________ (finish) his online course since last month.(现在完成时) 6. ________ (surf) the Internet, we should never click strange links.(从句简化) 7. We will turn off the tablet ________ we finish our homework.(一…… 就) 8. ________ my father was fixing the computer, my mum was shopping online.(连词填空) 9. Nobody ________ (allow) to share passwords with others.(被动语态) 10. When I got to the school, _________ (somebody) was outside. All of them were in the classroom. 三、短文语法填空(每空 2 分,共 20 分) Digital life becomes more and more popular now. It is very ______(1)(convenience) for students to take online courses, but we should be fully ______(2)(aware) of its risks. Many ______(3)(strange) websites carry hidden computer ______(4)(virus). Everyone ______(5)(need) to set safe passwords to protect ______(6)(we) private information. ______(7) I am using digital devices, I never share my phone number online. I will close unknown pages ______(8) I find them. There is ______(9) important we should remember: we can’t depend too much ______(10) smartphones. 四、完成句子(每空 1 分,共 30 分;每题 3 空) 根据中文意思完成句子,每空限填一词 1. 在我看来,我们不能过度依赖网络。 ______ ______ ______, we can’t ______ too much ______ the Internet. 2. 我一写完作业就会关掉电脑。 I will turn off the computer ______ ______ ______ I finish homework. 3. 当我浏览网页时,妈妈正在线上购物。 ______ I ______ the Internet, Mum ______ ______ online. 4. 我们应当和亲友保持线上联系。 We should ______ ______ ______ our relatives online. 5. 保护私人信息是我们的责任。 It’s our duty ______ ______ our ______ information. 6. 不要整天玩游戏,取而代之去上网课。 Don’t play games all day; ______ ______, take online lessons. 7. 每个人都应当意识到网络安全的重要性。 Everyone should ______ ______ ______ the importance of online safety. 8. 网上既有优点也有弊端。 There are ______ advantages ______ ______ of using the Internet. 9. 我有一些有趣的线上故事要分享给你。 I have ______ ______ online stories to share with you. 10. 我们使用数码产品时要控制屏幕时间。 ______ ______ digital products, we need to control screen time. 五、书面表达(10 分) 题目 My healthy digital habits 要求:60 词左右,包含三点: 1. 数字生活带来便利;2. 你的两条健康用机习惯;3. 呼吁合理使用电子产品。 _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 6 原创精品资源学科网独家享有版权,侵权必究! 1 / 27 学科网(北京)股份有限公司 $

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Unit 2 Digital life(复习讲义)英语新教材沪教版五四学制八年级上册
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Unit 2 Digital life(复习讲义)英语新教材沪教版五四学制八年级上册
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Unit 2 Digital life(复习讲义)英语新教材沪教版五四学制八年级上册
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