Unit 3 Our digital lives核心单词,词性转换,短语,语法,句型精练-2025-2026学年八年级英语上册单元重难点易错题精练（沪教版2024）

班级 姓名 学号 分数 Unit 3 Our digital lives 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：100分） 单元知识点默写 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 1.payment n.→pay v. 付费 2.warn v.→warning（n. 警告；预兆；预告；adj. 警告的；告诫的） 3. treatment n.→treat v. 医疗；医治；治疗 4. smoothly adv.→smooth adj. 光滑的；平稳的；顺利的；v. 使光滑；消除；安慰 5. weight n.→weigh v. 有…… 重；称重量 →weighty adj. 重的；重大的；重要的 6. social adj.→society n. 社会 →sociable adj. 社交的；好交际的；友善的 7. interview v.→interviewee n. 接受采访者 →interviewer n. 采访者 8. basis n.→basic adj. 基础的；基本的 →base n. 基础 v. 以…… 为据点（或大本营等） 9. effect → effective adj. 有效的；生效的 → affect v.影响 10.novel → novelist n. 小说家 11.major → majority n. 多数；成年；法定年龄→majorly adv. 主要地；非常；极端地 单元知识点习题训练 一、用括号内所给单词的适当形式填空(本大题共20小题，每小题1分，共20分) 1．My sister is (thin) than me. 【答案】thinner 【详解】句意：我妹妹比我瘦。根据“than”可知，这是比较级的标志词，此处要用形容词的比较级形式，在句中作表语，thin的比较级形式为thinner。故填thinner。 2．The old man tried every (treat) the doctor had suggested, but it was no use. 【答案】treatment 【详解】句意：老人尝试了医生建议的每一种治疗，但都没有用。根据every可知，空处应用treat的单数名词形式，表示“治疗”。故填treatment。 3． (warn) parents not to leave children alone can keep children away from danger. 【答案】Warning 【详解】句意：告诫父母不要把孩子单独留下可以使孩子们远离危险。空处在句中作主语，用动名词形式，位于句首，单词首字母要大写。故填Warning。 4．If you want to lose (weigh), it’s a good idea to take a walk after dinner. 【答案】weight 【详解】句意：如果你想减肥，晚饭后散步是个好主意。根据“If you want...after dinner.”及提示词可知，此处是说减肥，常用短语lose weight来表达。故填weight。 5．Digital devices are very (help) for students. 【答案】helpful 【详解】句意：数字设备对学生非常有帮助。help意为“帮助”，是个动词，根据“Digital devices are very…for students.”可知此处考查的是be helpful for sb.意为“对某人有帮助”，故填helpful。 6．We can use apps (manage) our tasks. 【答案】to manage 【详解】句意：我们可以使用应用程序来管理我们的任务。use sth to do“使用某物来做某事”，不定式表目的。故填to manage。 7．Our (digit) lives are full of new experiences. 【答案】digital 【详解】句意：我们的数字生活充满了新的体验。空格处需要填入一个形容词修饰名词lives。digit的形容词形式是digital，表示“数字的”。故填digital。 8．Trees can keep soil (土壤) in place, so planting as many trees as possible is a good way to stop (flood). 【答案】floods 【详解】句意：树木可以固定土壤，因此尽可能多地植树是防止洪水的好方法。flood洪水，名词，此处用复数形式，泛指洪水灾害。故填floods。 9．The doctor advised him to drink (little) beer. 【答案】less 【详解】句意：医生建议他少喝点啤酒。根据“The doctor advised him to drink…beer.”以及提示词可知，此处指医生建议他少喝点啤酒，应用little的比较级less，表示“更少的”。故填less。 10．First impressions are really important in job (interview). 【答案】interviews 【详解】句意：第一印象在工作面试中非常重要。本句描述一般情况，interview“面试”为泛指，应用复数形式。故填interviews。 11．The new software update ran (smooth) without any issues. 【答案】smoothly 【详解】句意：新的软件更新运行得非常顺利，没有任何问题。ran为动词，需副词修饰。smooth“顺利的”为形容词，其副词为smoothly。故填smoothly。 12．We ought to organize more (society) events. 【答案】social 【详解】句意：我们应该组织更多的社会活动。society“社会”，名词；设空处修饰名词events，应填写提示词的形容词形式social“社会的”作定语。故填social。 13．The (high) temperature in summer this year reached 40 degrees. 【答案】highest 【详解】句意：今年夏天的最高气温达到了40度。 high“高的”，形容词，根据“in summer this year reached 40 degrees.”可知，此处用最高级，指的是最高温度达到40度。故填highest。 14．There are different kinds of (laptop) at the store, but I’m not sure which one to buy. 【答案】laptops 【详解】句意：商店里有不同种类的笔记本电脑，但我不确定该买哪一台。different kinds of“不同种类的”，其后通常接可数名词的复数形式或不可数名词。 laptop笔记本电脑，可数名词，故此处要用复数形式。故填laptops。 15．The weather in Beijing is different from that in Guangzhou. It’s much (cold) in winter. 【答案】colder 【详解】句意：北京的天气和广州的不一样。冬天要冷得多。根据“The weather in Beijing is different from that in Guangzhou. It’s much...in winter.”及提示词可知此处是说“北京冬天的天气比广州冬天的天气冷”，是将两者之间进行了比较，much常常用来修饰形容词或副词的比较级，表示程度上“……得多”，所以此空用cold的比较级colder。故填colder。 16．Journey to the West is one of the greatest (novel) in China. 【答案】novels 【详解】句意：《西游记》是中国最伟大的小说之一。one of the+形容词最高级+可数名词复数表示“最……之一”，novel“小说”，可数名词，此处使用复数形式。故填novels。 17．The Huangpu River into the sea, nurturing cities on its way. (flow) 【答案】flows 【详解】句意：黄浦江流入大海，在流经的地方孕育了城市。句子缺少谓语动词，根据题意，句子描述了黄浦江的流动行为，这是一个一般现在时的动作，主语The Huangpu River是第三人称单数，因此动词需要使用其单数形式flows。故填flows。 18．Of the two shirts, I think the blue one is much (beautiful). 【答案】more beautiful 【详解】句意：在这两件衣服中，我认为蓝色的那件更漂亮。根据“Of the two shirts”可知，此处将两件衬衣进行对比，需要使用比较级，beautiful是多音节词，变比较级在词前加more。故填more beautiful。 19．The weather gets (warm) in spring. People like exercising outdoors. 【答案】warmer 【详解】句意：春天的天气越来越暖和。人们喜欢在户外锻炼。根据“The weather gets…in spring.”的语境可知，此处指天气越来越暖和，含有比较的含义，用比较级形式warmer。故填warmer。 20．His bad habit of staying up late has a bad (affect) on his health. 【答案】effect 【详解】句意：他熬夜的坏习惯对他的健康有不良影响。根据“His bad habit ... has a bad ... on his health.”可知，需填入名词，被形容词bad修饰。affect的名词是effect，意为“影响”。故填effect。 二、根据汉语提示完成单词(本大题共10小题，每小题1分，共10分) 21．When you meet difficulties, stay (积极乐观的) and don’t worry. 【答案】positive 【详解】句意：当你遇到困难时，保持积极乐观，不要担心。 根据汉语提示可知，形容词positive表示“积极乐观的”。故填positive。 22．To lose (体重), you should do exercise five times a week. 【答案】weight 【详解】句意：为了减肥，你应该一周锻炼五次。结合汉语提示及“To lose…”可知，此处应用名词weight与之搭配，“lose weight”表示“减肥”。故填weight。 23．When it rains heavily, the river can (淹没) many houses. 【答案】flood 【详解】句意：下大雨时，河水会淹没许多房屋。考查情态动词后加动词原形。根据汉语提示，淹没的英语为“flood”，动词；空前有情态动词can，后加动词原形，故填flood。 24．The (可移动的) machine can move freely in the factory, so the workers can use it easily. 【答案】mobile 【详解】句意：可移动的机器可以在工厂自由移动，因此工人可以轻松使用它。根据汉语提示可知，mobile意为“可移动的”，形容词修饰名词machine，作定语。故填mobile。 25．Don’t watch TV for too long! Too much (屏幕) time is not good for your eyes. 【答案】screen 【详解】句意：不要看电视太久！看屏幕时间过长对眼睛不好。screen“屏幕”，名词作定语修饰time。故填screen。 26．In my (想法), everyone should know our own country well. 【答案】opinion 【详解】句意：我认为，每个人都应该了解自己的国家。根据汉语提示可知，此处表达“想法”，应用名词opinion表示，常用短语为in one’s opinion“在某人看来”。故填opinion。 27．The journey was a little boring because of the (交通). 【答案】traffic 【详解】句意：旅途有点无聊因为交通拥堵。根据“the”可知，此处需要填入名词，traffic表示“交通”，是不可数名词，符合题意，故填traffic。 28．She is a (极小的) baby. She cries all day. 【答案】tiny 【详解】句意：她是个小婴儿。她哭了一整天。极小的：tiny，形容词作定语，修饰名词。故填tiny。 29．Newspapers and television programmes often have (采访) with famous people. 【答案】interviews 【详解】句意：报纸和电视节目经常采访名人。根据中文提示，可知此处需填名词interview“采访”，又因为“famous people”，因此不止一个采访，名词需使用复数形式。故填interviews。 30．The parents should (警告) their kids not to swim in the river alone. 【答案】warn 【详解】句意：父母应该警告他们的孩子不要单独在河里游泳。情态动词“should”后跟动词原形warn，意为“警告”。故填warn。 三、完成句子(本大题共10小题，每小题3分，共30分) 31．为了保证你的数据安全，不要在公共场所使用未知的无线网络。 To , don’t use unknown Wi-Fi in public places. 【答案】 keep your data safe 【详解】根据所给汉语提示可知，“保证……安全”keep ... safe；“你的数据”your data，to后接动词原形keep，构成目的状语。故填keep；your；data；safe。 32．他决定改变他的生活并许诺做一个更好的人。 He decides to and promises to be a better person. 【答案】 change his life 【详解】根据中英文提示可知，此处需要表达“改变他的生活”；“决定做某事”为decide to do sth.，所以此处用动词原形change“改变”；“他的生活”为his life。故填change；his；life。 33．虽然我们不确定我们将来想做什么工作，但努力学习总是对的。 Although we are not sure about the jobs we want to do , it’s always right to study hard. 【答案】 in the future 【详解】根据所给汉语提示可知，空格处需填写in the future“在未来”，在句中作时间状语。故填in；the；future。 34．因为这次洪水，我们不得不取消运动会。 We had to cancel the sports meeting . 【答案】 because of this flood 【详解】根据所给汉语提示可知，空格处需填写because of“因为”，后可接名词；this flood“这次洪水”。故填because；of；this；flood。 35．我的笔记本电脑出故障了。 There is something wrong . 【答案】 with my laptop 【详解】根据中英文对照可知，这里缺少“笔记本电脑出故障”的英文，其固定句式是“there is something wrong with...”，意为“……出故障了”，my laptop意为“我的笔记本电脑”。故填with；my；laptop。 36．你奶奶知道怎么才能在线看新闻吗？ Does your grandma know how online? 【答案】 to read news 【详解】对照中英文可知，缺少“看新闻”。分析句子结构可知，此句为“疑问词+动词不定式”结构。“看”用动词read，后接文字类内容，不定式为to read；“新闻”用不可数名词news。故填to；read；news。 37．鲁迅为了纪念他的朋友写了那篇文章。 Lu Xun in memory of his friend. 【答案】 wrote the/that article 【详解】对照中英文可知，缺少“写了那篇文章”。根据“写了”可知，此句时态为一般过去时，谓语动词用过去式。“写”用动词write，过去式为wrote，作谓语；“那篇”用定冠词the或指示代词that；“文章”用可数名词单数的article，指纪念朋友的那一篇文章。故填wrote；the/that；article。 38．动作电影里的打斗对孩子们有坏的影响。 The fights in the action films children. 【答案】 have a bad influence on 【详解】对照中英文可知，缺少“对……有坏的影响”。描述事实用一般现在时，主语为“The fights”，谓语动词用原形。“对……有坏的影响”用have a bad influence on。故填have；a；bad；influence；on。 39．电动汽车给我们的生活带来许多变化。 The electric cars our life. 【答案】 bring many changes to 【详解】英汉对照可知，需要补充“带来许多变化”。bring...to...意为“给……带来……”；many“许多”，修饰可数名词复数；change“变化”，many修饰名词复数changes。题干描述现在的情况，用一般现在时，主语cars是复数，谓语动词用原形。故填bring；many；changes；to。 40．人们渴望有新的办法让中国的移动支付变得更好。 People are thirsty for new ways to make in China better. 【答案】 mobile payment 【详解】根据中英文提示可知，缺少“移动支付”，mobile payment表示“移动支付”，符合语境，表示 “移动支付” 这一抽象概念或整体行为时，用单数。故填mobile；payment。 四、短文填空(本大题共20小题，每小题2分，共40分) We live in a computer age. People like scientists, teachers, writers and students use computers to do all 1 (kind) of work. But more than 30 years ago, computers couldn’t do much work and they 2 (be) big and expensive. Very few people were 3 (interest) in them or knew how to use them. Today computers are smaller and 4 (cheap). They can do much work and many people like to use them. Many people have them at school, in the office, 5 home or even in their handbags. Computers become an important 6 of our lives because they can work quickly and seldom make mistakes (错误). Computers can do 7 lot of work instead of people. Writers use computers to write, teachers use them to teach and 8 (child) use them to play games. Computers can also remember what you put into 9 (they). Computers are very 10 (use) in our everyday life. They are our good friends. Would you like to have a computer? 【答案】 1．kinds 2．were 3．interested 4．cheaper 5．at 6．part 7．a 8．children 9．them 10．useful 【导语】本文主要讲述了电脑的发展，30年前电脑又大又贵，几乎没人会使用它们，但是现在电脑变得又小又便宜，许多人喜欢使用它们，电脑可以做很多事情，它们是我们的好朋友。 1．句意：像科学家、教师、作家和学生这样的人使用计算机做各种工作。all kinds of意为“各种各样的”，故填kinds。 2．句意：但是30多年前，计算机不能做很多工作，而且又大又贵。根据“more than 30 years ago”可知，该句为一般过去时，主语they为复数，故填were。 3．句意：很少有人对它们感兴趣或知道如何使用它们。be interested in意为“对……感兴趣”， 故填interested。 4．句意：今天电脑更小更便宜。根据smaller可知，此处应用形容词比较级，故填cheaper。 5．句意：许多人在学校、办公室、家里甚至手提包里都有。at home意为“家里”，故填at。 6．句意：电脑成为我们生活的重要组成部分，因为它们工作速度快，很少出错。根据“because they can work quickly and seldom make mistakes”可知，这里指成为我们生活的重要组成部分，part意为“部分”，不定冠词an后跟单数名词，故填part。 7．句意：电脑可以代替人做很多工作。a lot of意为“很多”，故填a。 8．句意：作家用电脑写作，老师用电脑教学，孩子们用电脑玩游戏。根据Writers和teachers可知，此处应用复数名词，故填children。 9．句意：电脑也能记住你输入的内容。空处作介词宾语，应用人称代词宾格，故填them。 10．句意：电脑在我们的日常生活中非常有用。该句为系表结构，be动词are后跟形容词作表语，use的形容词为useful，意为“有用的”，故填useful。 阅读短文，在空白处填入一个适当的单词或者用括号内所给词的正确形式填空，使短文通顺、连贯。 Chopsticks are useful tools to have meals in China. Chopsticks first appeared in ancient China. They were invented before Shang Dynasty (朝代). The earliest chopsticks 1 (make) of bronze (青铜). They were 26 centimetres long and 1.1 to 1.3 centimetres wide. People used them 2 (pick) up food at that time. Most people believe that Chinese invented chopsticks. There are many 3 (story) about the inventor of chopsticks. Someone says that Jiang Ziya, a wise man, created chopsticks. 4 (actual), no one knows for sure. We can only say the inventor was a clever ancient Chinese. Chopsticks are usually 5 the shape of being square above and circle below. Chinese believe that 6 Earth is square and the sky is circle. This 7 (show) respect to the nature. Many people think it’s difficult to use chopsticks. In fact, it’s not. Hold them between the thumb (拇指) 8 other fingers. The key is to hold one piece tight and move the other to control movement and force. Chopsticks are also an 9 (importance) part of Chinese culture. In China, it is nice to pick up food for the old by using chopsticks. But it’s impolite to point at others with them. And never make 10 (you) chopsticks stand straight in a rice bowl. 【答案】 1．were made 2．to pick 3．stories 4．Actually 5．in 6．the 7．shows 8．and 9．important 10．your 【导语】本文介绍了筷子的起源、形状设计及其在中国文化中的重要地位。 1．句意：最早的筷子是用青铜制成的。主语The earliest chopsticks和谓语make之间是被动关系，此处是过去的动作，用一般过去时的被动语态，主语是复数，be动词用were。故填were made。 2．句意：当时人们用它们来夹取食物。used sth. to do sth.“使用某物做某事”。故填to pick。 3．句意：关于筷子的发明者有许多故事。many后加可数名词复数stories“故事”。故填stories。 4．句意：实际上，没有人确切知道。此处修饰整个句子用副词actually“实际上”。故填Actually。 5．句意：筷子通常呈上方为方形下方为圆形的形状。in the shape of“以……的形状”。故填in。 6．句意：中国人认为大地是方形的，天空是圆形的。地球是世界上独一无二的东西，前加定冠词the。故填the。 7．句意：这种设计表达了对自然的尊重。句子用一般现在时，主语是this，谓语动词用单三。故填shows。 8．句意：将筷子夹在拇指和其他手指之间。此处是结构between...and...“在……和……之间”。故填and。 9．句意：筷子也是中国文化的一个重要组成部分。修饰名词part用形容词important“重要的”。故填important。 10．句意：而且，千万不要让你的筷子直立在米饭碗中。空后是名词，此处用形容词性物主代词your。故填your。 $ 班级 姓名 学号 分数 Unit 3 Our digital lives 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：100分） 单元知识点默写 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 1.payment n.→____________v. 付费 2.warn v.→____________（n. 警告；预兆；预告；adj. 警告的；告诫的） 3. treatment n.→____________ v. 医疗；医治；治疗 4. smoothly adv.→__________ adj. 光滑的；平稳的；顺利的；v. 使光滑；消除；安慰 5. weight n.→____________ v. 有…… 重；称重量 →____________ adj. 重的；重大的；重要的 6. social adj.→____________ n. 社会 →__________ adj. 社交的；好交际的；友善的 7. interview v.→____________ n. 接受采访者 →____________ n. 采访者 8. basis n.→____________adj. 基础的；基本的 →__________ n. 基础 v. 以…… 为据点（或大本营等） 9. effect → ____________ adj. 有效的；生效的 → affect v.影响 10.novel → ____________ n. 小说家 11.major → ____________ n. 多数；成年；法定年龄→____________ adv. 主要地；非常；极端地 单元知识点习题训练 一、用括号内所给单词的适当形式填空(本大题共20小题，每小题1分，共20分) 1．My sister is (thin) than me. 2．The old man tried every (treat) the doctor had suggested, but it was no use. 3． (warn) parents not to leave children alone can keep children away from danger. 4．If you want to lose (weigh), it’s a good idea to take a walk after dinner. 5．Digital devices are very (help) for students. 6．We can use apps (manage) our tasks. 7．Our (digit) lives are full of new experiences. 8．Trees can keep soil (土壤) in place, so planting as many trees as possible is a good way to stop (flood). 9．The doctor advised him to drink (little) beer. 10．First impressions are really important in job (interview). 11．The new software update ran (smooth) without any issues. 12．We ought to organize more (society) events. 13．The (high) temperature in summer this year reached 40 degrees. 14．There are different kinds of (laptop) at the store, but I’m not sure which one to buy. 15．The weather in Beijing is different from that in Guangzhou. It’s much (cold) in winter. 16．Journey to the West is one of the greatest (novel) in China. 17．The Huangpu River into the sea, nurturing cities on its way. (flow) 18．Of the two shirts, I think the blue one is much (beautiful). 19．The weather gets (warm) in spring. People like exercising outdoors. 20．His bad habit of staying up late has a bad (affect) on his health. 二、根据汉语提示完成单词(本大题共10小题，每小题1分，共10分) 21．When you meet difficulties, stay (积极乐观的) and don’t worry. 22．To lose (体重), you should do exercise five times a week. 23．When it rains heavily, the river can (淹没) many houses. 24．The (可移动的) machine can move freely in the factory, so the workers can use it easily. 25．Don’t watch TV for too long! Too much (屏幕) time is not good for your eyes. 26．In my (想法), everyone should know our own country well. 27．The journey was a little boring because of the (交通). 28．She is a (极小的) baby. She cries all day. 29．Newspapers and television programmes often have (采访) with famous people. 30．The parents should (警告) their kids not to swim in the river alone. 三、完成句子(本大题共10小题，每小题3分，共30分) 31．为了保证你的数据安全，不要在公共场所使用未知的无线网络。 To , don’t use unknown Wi-Fi in public places. 32．他决定改变他的生活并许诺做一个更好的人。 He decides to and promises to be a better person. 33．虽然我们不确定我们将来想做什么工作，但努力学习总是对的。 Although we are not sure about the jobs we want to do , it’s always right to study hard. 34．因为这次洪水，我们不得不取消运动会。 We had to cancel the sports meeting . 35．我的笔记本电脑出故障了。 There is something wrong . 36．你奶奶知道怎么才能在线看新闻吗？ Does your grandma know how online? 37．鲁迅为了纪念他的朋友写了那篇文章。 Lu Xun in memory of his friend. 38．动作电影里的打斗对孩子们有坏的影响。 The fights in the action films children. 39．电动汽车给我们的生活带来许多变化。 The electric cars our life. 40．人们渴望有新的办法让中国的移动支付变得更好。 People are thirsty for new ways to make in China better. 四、短文填空(本大题共20小题，每小题2分，共40分) We live in a computer age. People like scientists, teachers, writers and students use computers to do all 1 (kind) of work. But more than 30 years ago, computers couldn’t do much work and they 2 (be) big and expensive. Very few people were 3 (interest) in them or knew how to use them. Today computers are smaller and 4 (cheap). They can do much work and many people like to use them. Many people have them at school, in the office, 5 home or even in their handbags. Computers become an important 6 of our lives because they can work quickly and seldom make mistakes (错误). Computers can do 7 lot of work instead of people. Writers use computers to write, teachers use them to teach and 8 (child) use them to play games. Computers can also remember what you put into 9 (they). Computers are very 10 (use) in our everyday life. They are our good friends. Would you like to have a computer? 阅读短文，在空白处填入一个适当的单词或者用括号内所给词的正确形式填空，使短文通顺、连贯。 Chopsticks are useful tools to have meals in China. Chopsticks first appeared in ancient China. They were invented before Shang Dynasty (朝代). The earliest chopsticks 1 (make) of bronze (青铜). They were 26 centimetres long and 1.1 to 1.3 centimetres wide. People used them 2 (pick) up food at that time. Most people believe that Chinese invented chopsticks. There are many 3 (story) about the inventor of chopsticks. Someone says that Jiang Ziya, a wise man, created chopsticks. 4 (actual), no one knows for sure. We can only say the inventor was a clever ancient Chinese. Chopsticks are usually 5 the shape of being square above and circle below. Chinese believe that 6 Earth is square and the sky is circle. This 7 (show) respect to the nature. Many people think it’s difficult to use chopsticks. In fact, it’s not. Hold them between the thumb (拇指) 8 other fingers. The key is to hold one piece tight and move the other to control movement and force. Chopsticks are also an 9 (importance) part of Chinese culture. In China, it is nice to pick up food for the old by using chopsticks. But it’s impolite to point at others with them. And never make 10 (you) chopsticks stand straight in a rice bowl. $