Unit 3阅读专项训练2026-2027学年沪教版八年级英语上册

**基本信息** 以单元核心词汇为锚点，通过"词汇-语境-题型"三维设计，系统构建科技主题阅读能力，融合词义辨析与语篇理解方法，适配中考题型。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |完形填空|10题|词义辨析（如era/network）、固定搭配（bring big changes to）|核心词汇在数字科技语境中的精准应用，从单词语义到短语功能递进| |阅读理解|4篇12题|细节理解（原文定位）、主旨归纳（段落逻辑）、观点分析（找态度句）|科技主题子话题（网络利弊/科技突破）的语篇理解，词汇复现强化主题关联|

沪教版八年级上册Unit 3阅读专项训练 命题说明 本套练习围绕Unit3网络科技、移动设备、社交媒体利弊、科技突破等单元主题命题，全部选用本单元课本核心词汇、短语命题。题型对标中考阅读题型设置：1篇完形填空+4篇阅读理解。练习难度适配单元同步巩固，文本选用科技生活小故事、网络利弊讨论、芯片软件科普素材，贴合八年级学生学情，适合日常同步训练与单元检测。 核心考点覆盖：network，flood，multimedia，expert，mobile，payment，warn，treatment，data，company，traffic，flow，smoothly，laptop，screen，weight，digital，social，message，interview，positive，negative，effect，opinion，novel，comment，basis，microprocessor，microchip，major，breakthrough，electronic，software，app，era，download，tiny；重点短语：connect to，bring big changes to，mobile payment，take … for example，rubbish bin，social media，in person，the general public。 第一部分 完形填空（10小题，每小题1分，共10分） 阅读下面短文，从短文后各题所给A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 Now we live in a new 1 of digital technology. The2 can 3 our daily life and 4 big changes to our society. Many people use 5 phones and make 6 easily. Some 7 give us some advice and 8 us not to spend too much time on 9 media. We can 10 useful software，but we should stay away from bad online information. 1. A. flood B. era C. weight D. basis 2. A. network B. rubbish bin C. laptop D. novel 3. A. interview B. connect to C. warn D. comment 4. A. flow B. download C. bring D. take 5. A. mobile B. tiny C. major D. positive 6. A. treatment B. message C. effect D. breakthrough 7. A. microchips B. companies C. experts D. data 8. A. warn B. flow C. interview D. represent 9. A. electronic B. social C. smooth D. digital 10. A. take for example B. connect to C. download D. bring big changes to 第二部分 阅读理解（共12小题；每小题2分，满分24分） Passage A Now the network brings big changes to people’s life. We can connect to the network with our mobile phones or laptops. Many young people like to use social media. They send messages and share multimedia on the screen. An expert did an interview with some teenagers. He wanted to know their opinions about social media. Some hold positive ideas, while others have negative ones. One boy says social media helps him get useful data. Another girl says too much online information has bad effects on her study. The expert warns teenagers not to spend too much time online. Sometimes talking in person is still a good choice. 根据短文内容，选择最佳答案。 11. What can we use to connect to the network? A. Laptops or mobile phones B. Microchips or microprocessors C. Rubbish bins D. Novels 12. What is the expert’s advice for teenagers? A. Never use mobile payment B. Do not spend too much time online C. Download all kinds of apps D. Read more novels on the screen 13. Which of the following is TRUE according to the passage? A. All teenagers have positive opinions of social media B. Social media has no bad effects on students C. People can share multimedia on social media D. We should never talk with friends in person Passage B A big local tech company makes new electronic products. Its major breakthrough is a kind of tiny microchip inside mobile phones. The chip makes data flow smoothly. It helps mobile payment work well. Many of the general public like its new laptop. It is not heavy in weight. Its screen is clear. People can download different kinds of software and apps. Some experts interviewed some users. Some users left comments online. Most of their opinions are positive. Still, some users warn us: no machine can solve all problems. Take this product for example, it still has some small weak points. 根据短文内容，选择最佳答案。 14. What is the major breakthrough of the company? A. A new kind of rubbish bin B. A tiny microchip for mobile phones C. A new flood treatment D. A new social media message 15. What can people do with the new laptop? A. Download software and apps B. Stop traffic from flowing C. Produce floods D. Write novels for the general public 16. What can we learn from the passage? A. All users give negative comments B. The laptop is very heavy C. The microchip helps data flow smoothly D. The product has no weak points at all Passage C The network brings great convenience, but it also causes some new problems. Sometimes bad information floods social media. It may have bad effects on teenagers. Some experts give suggestions. First, when you connect to the Internet, do not download apps from unknown websites. Second, pay attention to your opinions online. Think carefully before you leave a comment. Third, do not only talk with friends online. Meeting your friends in person is also important. A lot of data shows that many middle‑school students spend too much time on digital products. Some teachers warn parents to keep an eye on children’s screen time. It forms the basis of good online habits for teenagers. 根据短文内容，选择最佳答案。 17. What problem does the network bring according to Paragraph 1? A. Mobile payment becomes too easy B. Bad information floods social media C. Microchips become too tiny D. Laptops have too much weight 18. Which suggestion is NOT mentioned in the passage? A. Don’t download apps from unknown websites B. Think before you leave online comments C. Never use any mobile phones at home D. Meet friends in person sometimes 19. What is the main idea of this passage? A. The network’s problems and experts’ suggestions B. How to make microchips and microprocessors C. The history of the electronic era D. Different kinds of multimedia software Passage D We are living in the digital era. Many major changes come from small technical breakthroughs. Tiny microprocessors and microchips are the basis of many electronic products. Many companies work hard on new software and apps for the general public. Take traffic systems for example. Network data flows smoothly and helps control city traffic. Mobile payment is widely used everywhere. Some experts interviewed several workers from a tech company. They said multimedia tools change our work. Still, we should keep a clear opinion. Technology is helpful, but it cannot take the place of in‑person communication. Some online comments also remind us to stay away from bad online information. 根据短文内容，选择最佳答案。 20. What forms the basis of many electronic products? A. Flood and rubbish bin B. Tiny microprocessors and microchips C. Social media messages D. Novels and comments 21. What helps control city traffic in the passage? A. Network data flowing smoothly B. Heavy laptop screens C. The weight of mobile phones D. Different kinds of novels 22. What is the writer’s opinion? A. We should only communicate online B. Technology can take the place of in‑person talks C. Technology is helpful but cannot replace face‑to‑face communication D. We must download all new apps 参考答案与详细解析 一、完形填空答案 1.B 2.A 3.B 4.C 5.A 6.B 7.C 8.A 9.B 10.C 完形填空逐题解析 1.答案：B. era 考点解析：名词词义辨析。era时代；flood洪水；weight重量；basis基础。live in a new era 生活在一个新时代，单元重点名词。句意：现在我们生活在数字技术的新时代。 2.答案：A. network 考点解析：名词词义辨析。network网络；rubbish bin垃圾箱；laptop笔记本电脑；novel小说。网络是本文核心话题名词。 3.答案：B. connect to 考点解析：动词短语辨析。connect to连接；interview采访；warn警告；comment评论。connect to our daily life 连接我们的日常生活，教材固定短语。 4.答案：C. bring 考点解析：动词固定搭配。bring big changes to…给……带来重大变化，单元核心短语。flow流动；download下载；take拿。 5.答案：A. mobile 考点解析：形容词词义辨析。mobile可移动的；mobile phone手机；tiny微小的；major主要的；positive积极的。课本重点搭配。 6.答案：B. message 考点解析：名词词义辨析。message信息；treatment治疗；effect影响；breakthrough突破。make message发送信息，贴合手机使用场景。 7.答案：C. experts 考点解析：名词词义辨析。expert专家；microchip微芯片；company公司；data数据。some experts一些专家，单元核心词汇。 8.答案：A. warn 考点解析：动词词义辨析。warn警告、提醒；flow流动；interview采访；represent代表。warn sb. not to do sth.警告某人不要做某事，教材重点动词用法。 9.答案：B. social 考点解析：形容词固定搭配。social media社交媒体，单元固定短语。electronic电子的；smooth平稳的；digital数码的。 10.答案：C. download 考点解析：短语、动词辨析。download下载；take for example以……为例；connect to连接；bring big changes to带来重大变化。download useful software下载有用软件，课本原词。 二、阅读理解答案与解析 Passage A 答案：11.A 12.B 13.C 11.答案：A 考点解析：细节理解题。原文“We can connect to the network with our mobile phones or laptops.”，我们可以用手机或者笔记本电脑连接网络。 12.答案：B 考点解析：细节理解题。原文“The expert warns teenagers not to spend too much time online.”，专家提醒青少年不要花太多时间上网。 13.答案：C 考点解析：细节理解题。原文“They send messages and share multimedia on the screen.”，人们可以在社交媒体分享多媒体。A所有青少年观点都是积极的；B社交媒体没有坏影响；D永远不要和人当面交谈，均表述错误。 Passage B 答案：14.B 15.A 16.C 14.答案：B 考点解析：细节理解题。原文“Its major breakthrough is a kind of tiny microchip inside mobile phones.”，这家公司的重大突破是用于手机的微型芯片。major主要的、breakthrough突破、tiny微小的均为本单元重点词汇。 15.答案：A 考点解析：细节理解题。原文“People can download different kinds of software and apps.”，人们可以用这款笔记本电脑下载软件和应用程序。 16.答案：C 考点解析：细节理解题。原文“The chip makes data flow smoothly.”，芯片让数据平稳流动。A全部用户给出负面评价；B笔记本很重；C产品完全没有缺点，均和原文不符。 Passage C 答案：17.B 18.C 19.A 17.答案：B 考点解析：细节理解题。原文“Sometimes bad information floods social media.”，不良信息充斥社交媒体，是网络带来的问题。flood此处为动词，表示大量涌入。 18.答案：C 考点解析：细节理解题。文中没有提到“在家绝不使用手机”。A、B、D都是文中给出的建议。 19.答案：A 考点解析：主旨大意题。整篇文章介绍网络带来的问题，同时给出专家给出的几条建议。B、C、D只是局部细节，不能概括全文。 Passage D 答案：20.B 21.A 22.C 20.答案：B 考点解析：细节理解题。原文“Tiny microprocessors and microchips are the basis of many electronic products.”，微型微处理器和微芯片是很多电子产品的基础。basis基础为单元重点名词。 21.答案：A 考点解析：细节理解题。原文“Network data flows smoothly and helps control city traffic.”，平稳流动的网络数据帮助管控城市交通。flow smoothly平稳流动，课本短语。 22.答案：C 考点解析：观点态度题。原文“Technology is helpful, but it cannot take the place of in‑person communication.”，科技有用，但不能代替面对面交流。in person亲自，单元固定短语。 学科网（北京）股份有限公司 $