Unit 3 The world at one click 期末复习 词性转换重点单词短语语法句型分层练习100题2025-2026学年译林版英语八年级下册

**基本信息** 聚焦Unit 3“数字技术与在线生活”主题，通过词汇、短语、句型三阶训练，系统整合词性转换、固定搭配及语境运用方法，强化语言能力与学习能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |词汇适当形式填空|40题|固定搭配（如spend doing）、词性转换（名→形/副）、时态语态（被动/过去进行时）|从单词形态变化到语法规则应用，构建“词形-语法-语境”关联| |词汇汉译英|40题|单元核心词拼写（如digital/website）、词性精准运用（如名词作主语）|依托主题场景（在线学习/网络安全），强化词汇记忆与语境匹配| |短语句型|20题|固定句型（not only...but also...）、短语搭配（keep in touch with）|从短语积累到句子构建，提升语言表达的准确性与逻辑性|

班级_____ 姓名______ 学号______ 分数_______ 译林版（新教材）八年级下册Unit 3 The world at one click期末复习100题 （时间：60分钟 满分：120分） 词汇专项练习 一、用括号内所给单词的适当形式填空（40小题，每小题1分，共40分） 1．With the development of ________ (digit) technology, our life has changed a lot. 2．He spent two hours ________ (search) for information about space travel online. 3．The ________ (convenient) of online shopping makes it more and more popular. 4．This website is ________ (design) for teenagers to learn English. 5．We should avoid ________ (share) personal information with strangers online. 6．My grandmother has trouble ________ (use) the new smartphone. 7．The online course is ________ (help) for students who want to improve their math. 8．________ (communicate) with friends through social media is quick and easy. 9．She felt ________ (relax) after watching a funny video online. 10．The ________ (popular) of live streaming has grown rapidly in recent years. 11．He writes as ________ (careful) as his sister when sending emails. 12．I am ________ (interest) in taking an online photography course. 13．You had better ________ (connect) your phone to the Wi-Fi first. 14．The app is ________ (cheer) and full of colorful pictures. 15．Online learning is an ________ (effect) way to study at home. 16．The school carried out some ________ (survey) about students' online learning habits. 17．We were sad to hear that our favorite online game ________ (shut) down last month. 18．There are many useful ________ (website) for learning foreign languages. 19．The little boy was ________ (shock) by the amazing online game. 20．This function should only be used in an ________ (emergent). 21．________ (honest) is important when chatting online. 22．We should stop ________ (waste) time on meaningless online games. 23．They decided ________ (set) up a study group online. 24．It’s good ________ (volunteer) to help elderly people learn to use smartphones. 25．She failed the online test because she was too ________ (care). 26．________ (lucky), he found his lost phone through a locating app. 27．We must prevent our eyes from ________ (harm) by too much screen time. 28．Using too much social media ________ (influence) our sleep quality. 29．His ________ (decide) to quit online games made his parents happy. 30．He was ________ (success) in passing the online certification exam. 31．She ________ (apology) to her friend for forgetting to reply to her message. 32．Many traditional stores are in ________ (dangerous) because of e-commerce. 33．He felt ________ (guilt) after lying to his parents about his online activity. 34．The children enjoyed ________ (they) playing online puzzle games. 35．The number of online shoppers has increased ________ (dramatic) in the past year. 36．About five ________ (thousand) people joined the online live concert. 37．The ________ (twenty) online course is about digital painting. 38．At this time yesterday, I ________ (watch) an online lecture on history. 39．He ________ (not chat) with his friends online at this time yesterday. 40．Almost three ________ (quarter) of our students use online tools for study. 二、根据汉语提示完成单词（40小题，每小题1分，共40分） 1．We can ________ (搜索) for information on the Internet easily. 2．Please ________ (连接) your computer to the printer. 3．________ (数字的) technology has changed our daily life greatly. 4．This ________ (网站) provides free English learning materials. 5．I often have ________ (在线的) classes on weekends. 6．________ (交流) with people from different countries becomes easier online. 7．We enjoy the ________ (便利) of shopping at home. 8．The app has a user-friendly ________ (界面). 9．It’s ________ (危险的) to meet online friends alone. 10．We should ________ (保护) our personal information online. 11．The ________ (调查) shows most students prefer online learning. 12．He made a ________ (决定) to limit his screen time. 13．This online course is very ________ (有帮助的) for beginners. 14．Many people ________ (遭受) from eye problems due to too much screen time. 15．The ________ (流行) of short videos is still growing. 16．She ________ (道歉) for being late to the online meeting. 17．My father gave me some ________ (建议) on safe online surfing. 18．The teacher ________ (解释) the grammar rule through an online video. 19．He finally ________ (成功) in winning the online competition. 20．She is ________ (自信) about her online presentation. 21．Don’t be ________ (自私) and share your online resources. 22．You need to get ________ (允许) to use the school’s Wi-Fi. 23．Keep ________ (冷静的) when you encounter online scams. 24．He has the ________ (能力) to design simple websites. 25．It’s our ________ (义务) to spread safe online habits. 26．Please wear ________ (合适的) clothes for the online interview. 27．________ (社交的) skills are important even in online communities. 28．There is a useful app ________ (在……之中) these options. 29．In this ________ (情况), we can have an online meeting instead. 30．The club made a ________ (请求) for online donations. 31．He will give a ________ (演讲) on digital literacy tomorrow. 32．The online ________ (合唱团) practices once a week. 33．She began to ________ (表演) in online talent shows at 10. 34．The ________ (精神) of teamwork is important in online group projects. 35．Students often ________ (筹集) money through online platforms. 36．His ________ (勇气) to report online fraud was praised. 37．We can ________ (发短信) our friends through messaging apps. 38．We must ________ (意识到) the importance of balancing screen time. 39．This online game has amazing ________ (视觉的) effects. 40．The ________ (开发者) of the app are updating it regularly. 短语和句型专项练习 三、完成句子（20小题，每小题2分，共40分） 1．互联网不仅让我们获取信息更方便，还能让我们与远方的朋友保持联系。 The Internet ________ ________ makes it easier for us to get information but also helps us ________ ________ ________ ________ friends far away. 2．这个在线课程不仅内容丰富，而且互动性强。 This online course ________ ________ has rich content but also is highly ________. 3．在老师的指导下，他学会了如何制作简单的网页。 With the teacher’s ________, he learned how to make a simple ________. 4．你愿意和我一起参加线上读书俱乐部吗？ Would you ________ ________ join the ________ ________ club with me? 5．除了在线学习，我们没有其他方法来完成这个项目。 There’s ________ ________ ________ but ________ ________ to finish this project. 6．最后，我们成功地通过了线上认证考试。 ________ ________ ________, we succeeded in passing the online certification exam. 7．一个好的网络使用者应该谨慎分享信息，礼貌交流。 A good Internet user should share information ________ and communicate ________. 8．线上视频会议比电话更能帮助我们清晰地表达想法。 Online video meetings ________ us ________ our ideas ________ ________ than phone calls. 9．从报告中我们可以了解到，在线购物在年轻人中最受欢迎。 From the report, we can learn that ________ ________ is the most popular ________ young people. 10．没有互联网，我们无法快速获取全球的信息。 ________ ________ ________ ________ the Internet, we can't get global information quickly. 11．我确定他能通过线上考试，他不应该担心自己。 I am sure he can pass the online exam. He shouldn’t ________ ________ ________ ________. 12．当别人遇到网络诈骗时，我们应该伸出援手。 We should ________ ________ to others when they meet online scams. 13．莉莉很惊讶，但她深呼吸让自己冷静下来，然后报告了网络诈骗。 Lily ________ ________, but she ________ ________ ________ ________ to ________ ________ ________ and reported the online scam. 14．我们的信息技术老师正在给我们介绍在线安全的重要性。 Our IT teacher ________ ________ the importance of ________ ________ to us. 15．在屏幕光线下，他连续三个小时在线学习。 ________ ________ ________, he studied online for three hours straight. 16．我们的手机电量快要耗尽了，所以我们得找个地方充电。 Our phone battery is ________ ________ ________, so we have to find a place to charge it. 17．我相信我们的在线学习体验将会变得更好。 I believe our online learning experience will ________ ________ ________ ________. 18．在过去的五年里，在线购物的数量急剧增加。 In the past 5 years, the number of online shoppers ________ ________ ________. 19．我们依靠互联网获取新闻，用社交媒体与他人交流。 We ________ ________ the Internet for news, and use social media to ________ ________ others. 20．人工智能是当今最热门的技术之一，它改变了我们的生活。 Artificial intelligence is one of ________ ________ ________ technologies today. It has changed our lives. 答案+详细解析 一、用括号内所给单词的适当形式填空（40题，每题1分） 1. digital 解析：修饰名词technology用形容词；digit（名词，数字）→ digital（形容词，数字的）。 2. searching 解析：固定搭配spend time (in) doing sth. 花费时间做某事，后接动名词。 3. convenience 解析：介词of前接名词；convenient（形容词，便利的）→ convenience（名词，便利）。 4. designed 解析：主语website与design是被动关系，用被动语态be + 过去分词；design过去分词designed。 5. sharing 解析：固定搭配avoid doing sth. 避免做某事，后接动名词。 6. using 解析：固定搭配have trouble (in) doing sth. 做某事有困难，后接动名词。 7. helpful 解析：be动词后接形容词作表语；help（动词）→ helpful（形容词，有帮助的）。 8. Communicating 解析：动名词短语作主语，句首首字母大写；communicate（动词）→ Communicating。 9. relaxed 解析：feel后接形容词作表语；relaxed修饰人（感到放松的），relaxing修饰物。 10. popularity 解析：定冠词The后接名词；popular（形容词，流行的）→ popularity（名词，流行度）。 11. carefully 解析：as + 副词原级 + as表示“和……一样”，修饰动词writes用副词；careful（形容词）→ carefully。 12. interested 解析：固定搭配be interested in 对……感兴趣，主语是人，用interested。 13. connect 解析：固定用法had better do sth. 最好做某事，后接动词原形。 14. cheerful 解析：be动词后接形容词作表语；cheer（动词/名词）→ cheerful（形容词，令人愉快的）。 15. effective 解析：冠词an + 形容词修饰名词way；effect（名词，效果）→ effective（形容词，有效的）。 16. surveys 解析：some后接可数名词复数；survey（调查）复数形式surveys。 17. shut 解析：主句谓语was为过去式，宾语从句用一般过去时；shut过去式与原形一致。 18. websites 解析：many后接可数名词复数；website（网站）复数形式websites。 19. shocked 解析：be动词后接形容词作表语；shocked修饰人（感到震惊的），shocking修饰物。 20. emergency 解析：不定冠词an后接名词；emergent（形容词，紧急的）→ emergency（名词，紧急情况）。 21. Honesty 解析：句子缺少主语，用名词；honest（形容词，诚实的）→ Honesty（名词，诚实），句首首字母大写。 22. wasting 解析：固定搭配stop doing sth. 停止正在做的事，后接动名词。 23. to set 解析：固定搭配decide to do sth. 决定做某事。 24. to volunteer 解析：固定句型It's + 形容词 + to do sth. 做某事是……的。 25. careless 解析：be动词后接形容词；根据“考试不及格”可知是“粗心的”，care（动词）→ careless（形容词，粗心的）。 26. Luckily 解析：副词作状语修饰整个句子；根据“找到手机”可知是“幸运地”，lucky（形容词）→ Luckily，句首大写。 27. being harmed 解析：固定搭配prevent...from doing sth.，eyes与harm是被动关系，用动名词的被动式being harmed。 28. influences 解析：动名词短语Using too much social media作主语，视作单数，一般现在时谓语用三单；influence（动词）→ influences。 29. decision 解析：名词所有格His后接名词；decide（动词，决定）→ decision（名词）。 30. successful 解析：固定搭配be successful in doing sth. 成功做某事。 31. apologized 解析：句子缺谓语动词，apology是名词，变为动词apologize；动作已发生，用过去式apologized。 32. danger 解析：固定短语be in danger 处于危险中；danger（名词）。 33. guilty 解析：feel后接形容词作表语；guilt（名词，愧疚）→ guilty（形容词，内疚的）。 34. themselves 解析：固定搭配enjoy oneself 玩得开心，主语children对应反身代词themselves。 35. dramatically 解析：修饰动词increased用副词；dramatic（形容词）→ dramatically（副词，急剧地）。 36. thousand 解析：thousand前有具体数字five时，不加s；thousands of才用复数。 37. twentieth 解析：定冠词The + 序数词，表示“第二十门课程”；twenty（基数词）→ twentieth（序数词）。 38. was watching 解析：at this time yesterday是过去具体时间点，用过去进行时（was/were + doing）；主语I用was watching。 39. wasn't chatting 解析：at this time yesterday是过去进行时的标志；主语he用was，否定式wasn't chatting。 40. quarters 解析：three后接可数名词复数；quarter（四分之一）复数形式quarters。 二、根据汉语提示完成单词（40题，每题1分） 1. search 解析：情态动词can后接动词原形；search（搜索）。 2. connect 解析：祈使句用动词原形；connect（连接）。 3. Digital 解析：形容词修饰名词technology，句首首字母大写；Digital（数字的）。 4. website 解析：this后接单数名词；website（网站）。 5. online 解析：形容词修饰名词classes；online（在线的）。 6. Communication 解析：句子缺少主语，用名词，句首首字母大写；Communication（交流）。 7. convenience 解析：定冠词the后接名词；convenience（便利）。 8. interface 解析：a后接单数名词；interface（界面）。 9. dangerous 解析：固定句型It's + 形容词 + to do；dangerous（危险的）。 10. protect 解析：情态动词should后接动词原形；protect（保护）。 11. survey 解析：定冠词the后接单数名词；survey（调查）。 12. decision 解析：a后接单数名词；decision（决定）。 13. helpful 解析：形容词作表语；helpful（有帮助的）。 14. suffer 解析：固定搭配suffer from 遭受；一般现在时，主语people用动词原形。 15. popularity 解析：定冠词the后接名词；popularity（流行）。 16. apologized 解析：动作已发生，用一般过去式；apologized（道歉）。 17. advice 解析：some后接名词；advice（建议，不可数名词）。 18. explained / explains 解析：可用一般过去时（explained，动作已发生）或一般现在时（explains，常态）；explain（解释）。 19. succeeded 解析：固定搭配succeed in doing 成功做某事；finally提示动作已完成，用过去式succeeded。 20. confident 解析：固定搭配be confident about 对……自信；confident（自信的）。 21. selfish 解析：be动词后接形容词；selfish（自私的）。 22. permission 解析：动词get后接名词；permission（允许）。 23. calm 解析：固定搭配keep calm 保持镇静；calm（冷静的）。 24. ability 解析：定冠词the后接名词；ability（能力）。 25. duty 解析：固定句型It's one's duty to do sth.；duty（义务）。 26. proper 解析：形容词修饰名词clothes；proper（合适的）。 27. Social 解析：形容词修饰名词skills，句首首字母大写；Social（社交的）。 28. among 解析：among用于三者及以上“在……之中”；among。 29. situation 解析：this后接单数名词；situation（情况）。 30. request 解析：a后接单数名词；make a request 提出请求；request（请求）。 31. speech 解析：give a speech 发表演讲；speech（演讲）。 32. choir 解析：定冠词the后接单数名词；choir（合唱团）。 33. perform 解析：begin to do sth. 开始做某事，用动词原形；perform（表演）。 34. spirit 解析：定冠词the后接名词；spirit（精神）。 35. raise 解析：raise money 筹钱；一般现在时，主语students用原形。 36. courage 解析：形容词性物主代词His后接名词；courage（勇气）。 37. text 解析：情态动词can后接动词原形；text（发短信）。 38. realize / realise 解析：情态动词must后接动词原形；realize/realise（意识到）。 39. visual 解析：形容词修饰名词effects；visual（视觉的）。 40. developers 解析：谓语are为复数，主语用复数；developers（开发者）。 三、完成句子（20题，每题2分） 1. not only; keep in touch with 解析：not only...but also... 不仅……而且……；keep in touch with sb. 与某人保持联系。 2. not only; interactive 解析：not only...but also... 固定结构；interactive（形容词，互动性的）作表语。 3. guidance; webpage 解析：名词所有格teacher's后接名词guidance（指导）；webpage（网页）符合单元主题。 4. like to; online reading 解析：Would you like to do...? 你愿意做……吗？online reading club 线上读书俱乐部。 5. nothing to do; study online 解析：固定句型There's nothing to do but do... 除了做……无事可做；study online 在线学习。 6. In the end 解析：固定短语in the end 最后、终于。 7. carefully; politely 解析：副词carefully（谨慎地）修饰share；politely（礼貌地）修饰communicate。 8. help; express; more clearly 解析：help sb. (to) do 帮助某人做；than提示比较级，clearly的比较级more clearly。 9. online shopping; among 解析：online shopping 在线购物；among用于三者及以上“在……之中”。 10. In the absence of 解析：In the absence of 意为“没有、缺乏”，正好符合四个空格的要求，也符合原句语义。 11. be worried about himself 解析：be worried about 担心；主语he对应反身代词himself；情态动词shouldn't后接原形。 12. give hands / offer help 解析：give hands to sb. / offer help to sb. 向某人伸出援手。 13. was shocked; took a deep breath; calm herself down 解析：be shocked 感到震惊，过去式was shocked；take a deep breath 深呼吸，过去式took；calm oneself down 使自己冷静。 14. is introducing; online safety 解析：现在进行时（is introducing）；online safety 在线安全，符合单元主题。 15. In screen light 解析：介词短语作状语，对应语义；in screen light 在屏幕光线下。 16. running out 解析：固定短语run out 耗尽（主语是物）；现在进行时is running out。 17. turn for the better 解析：固定短语turn for the better 好转、改善；will后接动词原形。 18. has increased sharply 解析：In the past 5 years 是现在完成时标志（has/have + 过去分词）；主语number是单数，用has increased；sharply（急剧地）修饰动词。 19. depend on; communicate with 解析：depend on 依靠；communicate with sb. 与某人交流；主语we用动词原形。 20. the most popular / hottest 解析：one of + the + 形容词最高级 + 复数名词，表示“最……之一”；popular/hottest 符合“热门技术”的描述。 学科网（北京）股份有限公司 $