Unit 5 3 Computers and the internet-【初中必刷题】2025-2026学年八年级下册英语同步课件(冀教版·新教材)

该初中英语课件围绕“Computers and the internet”主题，系统覆盖相关词汇、语法及语用能力，从基础词汇（如tool, dictionary）、语法（动词-ed形式、副词等）到完形填空、阅读理解等能力训练，构建从基础到综合的学习支架，帮助学生逐步掌握单元核心内容。 其亮点在于分层训练结合2025河北各地调研真题，解析详细且链接重点知识，语篇导读助力语篇理解。通过语言能力（词汇语法运用）、思维品质（语篇分析、推理）的培养，学生能系统提升英语能力，教师可利用分层资源和解析优化教学，提高效率。

英 语 八年级下册 JJ 1 2 3 Unit 5 Great inventions 4 3 Computers and the internet 5 刷基础 刷语法 刷能力 6 基础 Ⅰ 根据句意及汉语或首字母提示填写单词 1.A hammer is a useful ______ （工具） for fixing things at home. 2.If you don’t know a word, look it up in a ____________ （词典）. 3.【2025河北张家口调研】Can you s ______ the word “environment” correctly? 4.English is w _______ spoken around the world. 5.This mobile a ________________ helps students learn maths easily. tool dictionary pell idely pplication/app 刷基础 返回目录 7 Ⅱ 用括号内所给单词的适当形式填空 6.The teacher asked us to hand in our _________ （print） essays by Friday. printed 【解析】句意为:老师要求我们在星期五之前提交打印好的论文。分析句子结构可 知，此处应用动词-ed形式作定语，修饰名词essays，表示“打印好的”。故填 printed。 7.【2025河北沧州调研】The Great Wall is an _________ （amaze） place to visit in China. amazing 【解析】这里需要用形容词来修饰名词place，amaze的形容词形式amazing意为 “令人惊奇的”，符合语境。故填amazing。 刷基础 返回目录 8 8.You can ________ （simple） solve this maths problem by following the steps. simply 【解析】这里需要用副词修饰动词solve，simple的副词形式为 simply。故填 simply。 链接狂K simply的详细讲解见狂K重点P32。 9.Look up the _________________ （define） of this word in your dictionary. definition（s） 【解析】根据the和of可知，此处应填名词，且单复数形式均符合语境。故填 definition（s）。 刷基础 返回目录 9 10.With the development of 5G, smartphones make people’s life more ____________ （convenience）. convenient 【解析】more修饰形容词或副词，“make sth+adj.”意为“使某物……”，为固 定用法。故填convenient。 刷基础 返回目录 10 语法 Ⅰ 根据汉语意思完成句子（每空一词） 1.【2025河北邢台质检】上周运动会因下雨被取消了。 The sports meeting _____ ____________________ because of the rain last week. was cancelled/canceled 2.很多老师和同学们受邀来参加这场活动。 Many teachers and students __________ _________ to take part in the activity. are/were invited 3.上个月，一次志愿活动在我们社区举办。 Last month, a voluntary activity ___ ___ in our community. 【答案】was held/took place 刷语法 返回目录 11 4.她被旅途中美丽的风景吸引住了。 She _____ ___________ ____ the beautiful scenery during the trip. was attracted by 5.学生们一到实验室就被分成了6组。 Students ______ ___________________ ______ six groups as soon as they reached the lab. were divided/separated into 刷语法 返回目录 12 Ⅱ 短文填空 阅读下面短文，在空白处填入一个适当的单词或填入括号内单词的正确 形式。 【2025河北邯郸调研】Computers and the internet have become important parts of our 6. _______ （day）lives. Let’s learn more about these amazing 7. ____________ （invent）. First, computers. They are made up 8. ____ many parts, such as the monitor, the keyboard and the mouse. The invention of computers has 9. _________ （change） the world. Scientists work hard 10. ____________ （develop） faster daily inventions of changed to develop 刷语法 返回目录 13 and more powerful computers. Today, 11. __________ （person） computers are widely used in homes, schools and offices. They help us finish tasks quickly 12. _____ accurately. Second, the internet. It 13. __________（connect） computers all over the world. Through the internet, we can share information 14. ________ （easy）, communicate with others, and even study online. Many 15. __________ （student） use the internet for their homework. However, 16. ____________ we use it carelessly, it may bring problems. For example, too much screen time is harmful to our 17. ______ （eye）.Also, we should be careful with personal information online to avoid 18. _______________ （cheat）. personal and connects easily students if/when/as eyes being cheated 刷语法 返回目录 In conclusion, computers and the internet bring us 19. ___ great deal of convenience. So we should use 20. ______ （they） wisely and responsibly to make full use of their advantages.#1.4 短文填空·语篇导读 本文主要介绍了计算机与因特网。 a them 刷语法 返回目录 6. _______ daily 【解析】句意为:计算机和因特网已经成为我们日常生活的重要部分。daily life 意为“日常生活”，为固定用法。故填daily。 7. ____________ inventions 【解析】these修饰可数名词复数，invent的名词形式为invention，表示“发 明”。故填inventions。 8. ____ of 【解析】句意为:它们由很多部分组成，如显示器、键盘和鼠标。be made up of 意为“由……组成”，为固定用法。故填of。 刷语法 返回目录 16 9. _________ changed 【解析】句意为:计算机的发明改变了世界。根据语境及has可知，此处应用现在 完成时。故填changed。 10. ____________ to develop 【解析】句意为:科学家们努力工作以开发出更快、更强大的计算机。此处应用动 词不定式表目的。故填to develop。 11. __________ personal 【解析】此处应用形容词修饰名词computers，person的形容词形式是personal， 表示“个人的”。故填personal。 刷语法 返回目录 17 12. _____ and 【解析】句意为:它们帮助我们快速且准确地完成任务。根据quickly和 accurately可知，设空处连接两个副词，表示并列。故填and。 13. __________ connects 【解析】句意为:它连接全球的计算机。句子描述客观事实，应用一般现在时；主 语It为第三人称单数，因此谓语动词也用第三人称单数形式。故填connects。 刷语法 返回目录 18 14. ________ easily 【解析】句意为:通过因特网，我们可以轻松地分享信息、与他人交流，甚至在线 学习。 此处应用副词修饰动词share，表示“容易地”。故填easily。 15. __________ students 【解析】句意为:许多学生使用因特网做他们的家庭作业。Many修饰可数名词复数。 故填students。 16. ____________ if/when/as 【解析】句意为:然而，如果我们随意使用它/当我们随意使用它时，这可能会带 来问题。此处应用连词if引导条件状语从句，意为“如果”；此处也可用when/as 引导时间状语从句，表示“当……时”。故填if/when/as。 刷语法 返回目录 19 17. ______ eyes 【解析】句意为:例如，过多的屏幕使用时间对我们的眼睛有害。eye是可数名词， 结合our可知应用其复数形式。故填eyes。 18. _______________ being cheated 【解析】句意为:此外，我们在网上应该小心个人信息，以避免被骗。avoid doing sth为固定用法，意为“避免做某事”；we和cheat间是被动关系，应用被 动语态。故填being cheated。 知识拓展 cheat也可作名词，意为“骗子”。 刷语法 返回目录 20 19. ___ a 【解析】句意为:总之，计算机和因特网给我们带来极大的便利。a great deal of为固定短语，意为“大量的”，修饰不可数名词convenience。故填a。 20. ______ them 【解析】句意为:因此我们应该明智且负责地使用它们，以充分利用它们的优势。 use为动词，后接代词宾格作宾语。故填them。 刷语法 返回目录 21 能力 Ⅰ 完形填空 体裁：说明文 题材：科普知识与现代技术 词数：197 难度:★★ 建 议用时：7分钟#1 【2025河北沧州调研】Computers are widely used in schools today. It makes learning become . .1. ..With computer . .2. ., students can have classes online. In some of the poor villages, even if the teaching condition is not good enough, students can also learn many classes taught by excellent teachers from different parts of the country, even from abroad. 刷能力 返回目录 22 Students can search for . .3. . that they need on the internet. In this way, they can learn a lot about what they want to know and . .4. . their homework more quickly. They can even download some AI tools and use them to improve their studies. . .5. ., computers make lessons more interesting. Teachers can show videos, and students can do . .6. . exercises online. It’s a wonderful way of . .7. .! 刷能力 返回目录 However, there are also some disadvantages. Some students may spend too much time . .8. . computer games or social media. Besides, not every school has enough computers for all students. It is impossible for . .9. . the students to study with computers. Despite these problems, computers still have lots of benefits for us. It can not only help make learning faster, but students can find learning more fun . .10. ..If used wisely, they can greatly improve education.#6 完形填空·语篇导读 本文主要介绍了计算机对学习的利与弊。 刷能力 返回目录 1.( ) A.easier B.cleaner C.happier D.wider A 【解析】句意为:它使学习变得更容易。根据“Computers are widely used in schools today.”可知，此处是指计算机使学习更容易。故选A项。 链接狂K widely的详细讲解见狂K重点P31。 2.( ) A.books B.technology C.pencils D.paper B 【解析】句意为:通过计算机技术，学生们可以在线上课。根据students can have classes online可知，此处表示计算机技术。故选B项。 刷能力 返回目录 25 3.( ) A.intelligence B.information C.research D.newspaper B 【解析】句意为:学生们可以在因特网上搜索他们需要的信息。intelligence意为 “智力”；information意为“信息”； research意为“研究”；newspaper意为 “报纸”。根据语境，故选B项。 4.( ) A.find B.get C.finish D.visit C 【解析】句意为:通过这种方式，他们能学到很多想知道的事情并且更快地完成作 业。根据their homework more quickly可知，此处表示完成作业。故选C项。 刷能力 返回目录 26 5.( ) A.Maybe B.Later C.Never D.Indeed D 【解析】句意为:确实，计算机使课程更有趣。maybe意为“可能”；later意为 “之后”；never意为“从不”；indeed意为“确实”。根据computers make lessons more interesting可知，此处表示强调。故选D项。 温馨提示 indeed作副词，表示强调，可置于句首、句中、句末。 6.( ) A.her B.his C.their D.our C 【解析】句意为:……学生们可以在线做他们的练习。此处指代“学生们的”，应 用their。故选C 项。 刷能力 返回目录 27 7.( ) A.touching B.learning C.showing D.sleeping B 【解析】touch意为“触摸”；learn意为“学习”；show意为“展示”；sleep意 为“睡觉”。上文主要讲的是计算机技术在校园的应用，因此此处表示这是学习 的好方法。故选B项。 8.( ) A.on B.with C.in D.for A 【解析】句意为:一些学生可能在电脑游戏或者社交媒体上花费太多的时间。 spend time on sth意为“在某物上花费时间”，为固定搭配。故选A项。 知识拓展 spend some time （in） doing sth在做某事上花费一些时间 刷能力 返回目录 28 9.( ) A.any B.both C.none D.all D 【解析】句意为:所有学生都用电脑学习是不可能的。any意为“任何的”；both 意为“两者都”；none意为“没有一个”；all意为“所有的”。根据上文的not every school has enough computers for all students可知，此处表示所有的 学生。故选D项。 10.( ) A.as well B.as possible C.as soon D.as usual A 【解析】句意为:它不仅能有助于让学习更快，而且学生会发现学习也变得更加有 趣。此处应用as well表示“也”。故选A项。 刷能力 返回目录 29 Ⅱ 阅读理解 体裁：应用文 题材：科普知识与现代技术 词数：191 难度:★★ 建 议用时：7分钟#1 Dear Rita, ___________________________ How are you? Last time you asked me about the greatest invention in my eyes. I have also discussed it with my best friends Anna, Sue and Kris. We have different ideas. Anna thinks it is the high-speed railway. Sue prefers the shared bike. Kris thinks it’s the online shopping, and I prefer the internet. 刷能力 返回目录 30 The internet is just like a net, and it connects us with the world. In the past, it was nearly impossible for people to communicate with people in other countries in a short time. But . .the internet has made the impossible possible.Now we can communicate with foreigners online. The internet also helps us know what is happening around the world, and has made our life and work easier. In recent years, shopping online has been very popular. We can just stay at home and buy what we need online. Besides, we can watch movies, listen to music and even play games to relax ourselves on the internet. 续表 刷能力 返回目录 31 The internet has changed our world! Although there are still many problems with the internet, they will be solved in the near future. As a student, we should make good use of the internet! Yours, ▲ 阅读理解·语篇导读 本文主要讲述了作者认为网络是最伟大的发明，并给出了原因。 续表 刷能力 返回目录 32 11.What is the best word to fill in the “▲”?( ) D A.Rita B.Sue C.Anna D.Martin 【解析】推理判断题。根据信件的称谓Dear Rita及“I have also discussed it with my best friends Anna, Sue and Kris.”可知，写信的人不应是以上几位。 故选D项。 12.What does Anna think is the greatest invention?( ) A A.The high-speed railway. B.The shared bike. C.The internet. D.The online shopping. 【解析】细节理解题。根据“Anna thinks it is the high-speed railway.”可 知，安娜认为高铁是最伟大的发明。故选A项。 刷能力 返回目录 33 13.What’s the meaning of the underlined words?( ) B A.People spend a long time reaching their places. B.Many things can be done now because of the internet. C.People could hardly talk with foreigners. D.The internet is just like a net. 【解析】词义猜测题。根据“In the past, it was nearly impossible for people to communicate with people in other countries in a short time.” 可知，画线部分表示因特网使人们能做到以前不可能的事。选项B符合文意。故选 B项。 刷能力 返回目录 34 14. 选项选择 What can people do by using the internet according to the letter?( ) D ①Know the world news. ②Do online shopping. ③Learn how to drive. ④Watch movies. A.①②③ B.②③④ C.①③④ D.①②④ 【解析】细节理解题。根据文中第三段可知，人们可以使用网络了解世界新闻、 网上购物并且看电影。故选D项。 刷能力 返回目录 35 15. 写作目的 For what purpose does the writer write the letter?( ) C A.To tell others how to make use of the internet. B.To tell people the communication ways in the past. C.To talk about his opinions about the greatest invention. D.To make people know about the problems of the internet. 【解析】推理判断题。通读全文可知，作者认为网络是最伟大的发明，并给出了 原因，即作者是为了谈论他认为最伟大的发明。故选C项。 刷能力 返回目录 36 Ⅲ 阅读表达 体裁：说明文 题材：科普知识与现代技术 词数：223 难度:★★ 建 议用时：7分钟#1 素材话题：DeepSeek-R1#1.1 【2025河北石家庄调研】On January 20, 2025, a Chinese company made a new AI model called DeepSeek-R1.This AI can do maths problems, write computer codes and answer questions. But it costs so little money to build. The team used about ＄5 million. This shows that smart ideas are better than just spending a lot of money. 刷能力 返回目录 37 DeepSeek-R1 is free to use, and people can even change it. A German scientist said, “Using DeepSeek-R1 costs only ＄10, but others need ＄300.” Even a top scientist from Meta （a big US company） said, “This free AI could change the world.” US companies are now worried as experts say China is becoming a leader in AI.Meta plans to spend more on AI research. A report in a famous science magazine called DeepSeek-R1 a big success, showing that good ideas are more important than expensive tools. An engineer of DeepSeek-R1 said, “We want AI to help everyone, not just rich people.” With DeepSeek-R1, China shows that great things come from new ideas and hard work, not just money.#1.1.4 阅读表达·语篇导读 本文主要介绍了DeepSeek-R1的优点及其他公司的担忧。 刷能力 返回目录 16.When was the new AI model DeepSeek-R1 developed? ______________________ On January 20, 2025. 【解析】根据“On January 20, 2025, a Chinese company made a new AI model called DeepSeek-R1.”可知答案。 17.What can DeepSeek-R1 do? ______________________________________________________________________ It can do maths problems, write computer codes and answer questions. 【解析】根据“This AI can do maths problems, write computer codes and answer questions.”可知，它可以解决数学难题、编写代码和回答问题。 刷能力 返回目录 39 18.How much did the team spend in building DeepSeek-R1? ____________________ About ＄5 million. 【解析】根据“The team used about ＄5 million.”可知答案。 19.Why are US companies worried about DeepSeek-R1? _______________________________________________________ Because experts say China is becoming a leader in AI. 【解析】根据“US companies are now worried as experts say China is becoming a leader in Al.”可知答案。 20.Do you think AI will change the way people work? Why or why not? _______________________________________________________________________ _______________________________________________________ Yes, because AI can handle complex tasks efficiently, possibly replacing some jobs while creating new opportunities. 【解析】本题答案不唯一，言之有理且无语法错误即可。 刷能力 返回目录 40 $