Unit 3 第4课时 Developing ideas—Reading forwriting-【红对勾】2026-2027学年八年级上册英语45分钟作业与单元评估（外研版·新教材）

founded创立。根据“Alvaro.ata walk.It helps save the energy(能量) local community clinic(诊所).”并结合 needed to walk by about20%.”可知， 选项可知，此处表示他在社区医院做志 WM能帮助人们在行走时节省大约 愿者。故选A。 20%的能量，由此可推知，它可以让步 7.C解析：句意：他看到医生们一直很 行者走得更远且感觉不那么累。故 忙，有时他们没有足够的时间认真检查 选C 患者的病症。slow缓慢的；hard困难 2.B解析：细节理解题。根据表格第二 的；enough足够的。根据“busy”可 栏中的“Ampera is available now for 知，此处表示医生没有足够的时间认真 $799. 可知，Ampera的价格是799美 检查患者的病症。故选C。 元。故选B。 8.B解析：句意：这使Alvaro认为医生 3. A解析：细节理解题。根据表格第三 直的需要一个工具帮助他们。educated 栏中的“a company called Baracoda from 教育；needed需要；expressed表达。根 France”可知，Baracoda公司来自法国。 据“doctors really..a tool to help them” 故选A。 可知，此处表示医生需要一个工具。故 4.C解析：推理判断题。根据表格第四 选B。 栏中的“The company plans to put 9.C解析：句意：Alvaro的应用程序正 the cars into the market in 2025 at 在接受医疗保健专家的测试和审查，以 $6.250.”可知，该公司计划在2025 确保其安全性和实用性，然后才能广泛 年以6250美元的价格将汽车投放市场。 使用。show up出现；put on穿上；make 据此可以推断，Jack可能会在2025年 sure确保。根据“…being tested and 的某个时候购买到一辆太阳能汽车。故 reviewed by health care experts to..”可 选C 知，测试的目的是确保其安全性和实用 第四课时Developing ideas-一 性。故选C Reading for writing 10.C解析：句意：这个应用程序仅是个 基础达标 起点。burning燃烧；stopping停止； starting开始。根据“Alvaro is learning I.1.talent 2.pioneer 3.towards how to build a business around his app at 4.risk 5.test II.1.electricity 2.exploration the Harvard Innovation Labs.”可知 Alvaro正在学习创业，说明这个应用 3.failure 4.preparing 5.curiosity IlI.1.an 2.from 3.than 4.through 程序只是个起，点。故选C。 5.but 11.A解析：句意：此外，他还了解了控 IV.1.Despite 2.future 3.explorer 制人工智能技术以保护患者和医生的 4.drives 5.earthquake 重要性。also还；yet尚未；too太。根 据“Besides,he..learned about the V.1.so;that 2.lost his life 3.learn;from 4.do research importance of”可知，此处表示递进 5.is curious about 关系，also符合语境。故选A。 能力提升 12. C解析：句意同上。fire火；pressure I.【语篇解读】本文讲述了14岁的学生马 压力；control控制。根据“to protect 俊鹤自制望远镜的故事 patients and doctors”可知，此处指控 1.C解析：句意：来自河南郑州的14岁 制人工智能技术以保护患者和医生 学生马俊鹤最近制作了一台望远镜。 故选C 3.B解析：句意：Alvaro的目标是利用 bought买；borrowed借；made制作。根 据下文“he decided to make a telescope 人工智能来改善医疗保健，并支持医 可知，此处指马俊鹤制作了一台望远 生的工作。challenge向…发出挑战； 镜。故选C。 improve改善；understand理解。根据 2.A 解析：句意：它只花了70元，但它 "Alvaro's goal is to use Al to...health care 能帮助他看到月球的表面。surface表 and support doctors in their work.”可 面；sky天空；waer水。根据下文 知，此处表示目标为改善医疗保健」 "His telescope...allowing him to clearly 故选B。 see the moon's surface.”可知，此处是 14.A解析：句意：他在哈佛的经历教会 指望远镜能帮助他看到月球的表面。故 了他负责任地使用技术的价值。value 选Ag 价值；interest兴趣；safety安全。the 3.B解析：句意：他对物理和太空的热 value of“…的价值”，固定搭配 爱激发了他创造这台望远镜的灵感。 故选A。 maths数学；physics物理；chemistry化 15.C解析：句意：他认为，即使是很小 学。根据下文“First,he tried to make a 的变化也会对医疗保健行业产生很大 part with cardboard,as taught in physics 的影响。quick快的；small小的；big class'”可知，他在物理课上学习过如何 大的。“even small changes can make a 制作，所以此处是指物理。故选B。 .difference”前后形成对比，强调影 4.B解析：句意：在课堂上了解了牛顿 响大。make a big difference“产生很大 式反射望远镜后，他决定自己制作一台 的影响”。故选C 这种类型的望远镜。brand品牌；ype Ⅱ.【语篇解读】文章主要介绍了四项酷炫 类型；colour颜色。根据“After 的科技发明，包括它们的功能、价格、上 learning about Newtonian Reflector 市时间等信息 Telescopes(牛顿式反射望远镜)in class, 1.C解析：推理判断题。根据表格第一 he decided to make a telescope of this.. 栏中的“People can wear it when they himself.”可知，此处是指他决定制作 台牛顿式反射望远镜这种类型的望远15.A解析：句意：通过我的望远镜看月 镜。故选B。 球让我感到非常兴奋和自豪。Seeing 5. A解析：句意：作为一名学生，他没 看；Drawing画；Travelling旅行。根据 有很多钱，所以他必须要有创意地寻找 "the moon through my telescope made me 材料。creative有创造力的；kind善良 feel so excited and proud”可知，此处是 的；outgoing外向的。根据“Asa 指通过望远镜看月球。故选A。 student,he didn't have a lot of money... Ⅱ.【语篇解读】本文主要介绍了吴教授团 He bought lenses(镜头)online,and used队研发的一款采茶机器人 recycled materials'”可知，作为一名学生1.A解析：细节理解题。根据第二段中 他没有很多钱，所以此处是指他必须要 的“However,most of the tea pickers are 有创意地寻找材料，即在网上买镜头， now in their 60s,and few young people 使用回收材料。故选A。 want to take up the job.'That's why our 6.C 解析：句意：他在网上买了镜头 team started to make tea-picking robots as 并用回收材料制作了其余部分。bit early as 2019.'said Professor Wu.head 点；piece片；rest剩余部分。根据“He of the study team.' ”可知，吴的团队开 bought lenses(镜头）online,and used 始制造采茶机器人是因为采茶者越来越 recycled materials for the..”可知，此处 少。故选A。 是指用回收材料制作了望远镜的其余部2.C解析：椎理判断题。根据上文 分。故选C。 "It can find and pick a tea leaf in just 1.5 7.B解析：句意：马在这一路上面临着 seconds.”可知，采茶机器人的速度很 许多挑战。avoided避免：faced面对： 快。结合选项可推断，它比人类采茶要 feared害怕。根据“First,he tried to 快，C项符合语境。故选C。 make a part with cardboard,as taught in 3. B解析：词义猜测题。根据第四段中 physics class,but it didn't work”可知】 t的“They took thousands of pictures of tea 马在制作过程中遇到了困难，所以此处 leaves and put them into the robot.The 是指他面临着许多挑战。故选B。 robot analyses the pictures and then gets to 8.C 解析：句意：首先，他试着像物理 know what to pick in a tea garden." 可 课上教的那样用纸板做一个零件，但效 知，把数千张茶叶的照片放人机器人里 果不好。hard艰难地：fast快速地：well 然后机器人就知道在茶园里该采摘什么。 好。根据“but”可知，前后是转折关 所以此处应是指机器人分析这些照片，画 系，所以此处是指效果不好。故选C。 线词的含义是“分析”。故选B。 9.C解析：句意：然后他向老师求4.C解析：最佳标题题。通读全文可知 助。money钱；time时间；help帮助。 本文主要介绍了吴教授团队研发的一款 根据“His teacher praised him for his try' 采茶机器人，C项可做文章最佳标题 可知，此处是指他向老师求助，tmto 故选C。 sb.for help“向某人求助”。故选C。 IlI.1.foods 2.easier 3.a 4.simply 10.B解析：句意：他的老师表扬了他的5.to6.playing7.to eat8.sounds 尝试，并建议他改用塑料。ordered命9.be enjoyed10.days 令；advised建议；warned警告。根据 单元写作小专题 “His teacher praised him for his try and素材积累 .him to use plastic instead.”可知，此 重点单词 处是指老师建议他改用塑料。故选B。 1.invent 2.apply 3.test 4.future 11.C解析：句意：当马安装目镜时，他 重点短语 发现它比管道的开口小得多。gave 1.lend sb.a hand 2.work on away捐赠；took off脱下；set up安 3.take risks 4.be curious about 装。根据“When Ma...the eyepiece(目 重点句型 镜)”及语境可知，此处是指安装目镜1， Despite the failure 时。故选C。 looking through;trying to know 12.B解析：句意：也就是说，开口有点 单元练笔 大。oldI旧的；big大的；expensive昂 One possible version: 贵的。根据“he found it was much Hello,everyone!May I have your smaller than the pipe's opening”可知，attention,please?I'd like to introduce my new 目镜比管道的开口小得多，所以此处 invention to you. 是指开口有点大。故选B。 It is an alarm on your glasses.It was 13. C解析：句意：经过l0次失败后，invented three months ago.It is used for 马终于成功了。easily容易地；clearly finding your glasses in your home or at 清楚地；finally最终。根据“After school.The alar is controlled by a remote failing 10 times”可知，此处是指经过 control with a button on it.First,press the 10次失败后，他最终成功了。故选C。 button,and the alarm will make a sound. 14. B解析：句意：他的望远镜可以使月Then,follow the sound to look for your 球看起来大90倍，能让他清楚地看到glasses.You must want to know how much it 月球的表面。smaller更小的；larger更is.It's20yuam.It's cheap and good.You 大的；nicer更漂亮的。根据“His can afford one. telescope can make the moon appear 90 Don't you hate it when you can't find imes”可知，此处是指他的望远镜可your glasses?Ifso,please come to me and 以使月球看起来大90倍。故选B。 buy one. 单元综合提升练 4.Liu thinks we should respect its traditions Presenting ideas) and protect the basics of the art./Liu believes respecting traditions keeps the old I.【语篇解读】本文是Alice与Michael的 art forever young. 对话，围绕Michael长大后想成为发明家这 一梦想展开。 Unit 4 Digital life 1.G解析：根据“T'm going to be an inventor when I grow up”可知，Alice应 第一课时 Starting out 是在问Michael长大后想成为什么，选 基础达标 项G符合语境。故选G。 1.without 2.the 3.like 4.and 2.C解析：根据“I want to invent a pair 5.about of glasses for the blind..”可知，Alice应 能力提升 是在问Michael想发明什么，选项C符 【语篇解读】随着移动互联网和移动支付的 合语境。故选C。 发展，越来越多的孩子不再使用纸币，针 3.B 解析：根据“They are used for 对这一问题，一些小学开设专门的数学课 helping the blind to see.”可知，Alice应 帮助孩子们学习关于钱的知识 是在问Michael这些眼镜的用途，选项 1.B解析：推理判断题。根据第一段 B符合语境。故选B。 4.F解析：根据Yes.I will work hard "With the development of the mobile to achieve my goal..”可知，此处Alice Intemet and mobile payment 应是在鼓励Michael要努力学习相关科 付)，more and more children are not using paper money now..”可知，作者是通过 目，选项F符合语境。故选F。 阐述“随着移动互联网和移动支付的发 5.E解析：根据“Maybe five or eight 展，现在越来越多的孩于不再使用纸 years..”可知，Alice应是在问Michael 币”这一事实来开始本文的。故选B。 发明这些眼镜需要多长时间，选项E符 2.C解析：细节理解题。根据第二段中 合语境。故选E。 Ⅱ.【语篇解读】本文主要介绍了一种新兴 的“They use their digital watches..”可 知，孩子们通常使用电子手表支付。故 的用回收的塑料瓶制作服装的现象。 选C。 1.B解析：细节理解题。根据第三段中 3.C解析：词义猜测题。根据最后一 的“We thought we should use them to 段中的“Most children know little about create our clothes and help the environment" money,so we need to help them get to 可知，UMA利用塑料瓶来制作衣服是 know it..”可知，这是一项有挑战性的 为了帮助保护环境。故选B。 工作。由此可知，画线词与C项同义 2.C解析：细节理解题。根据第四段中 故选C。 的“First,the plastic bottles are washed 4.A解析：段落大意题。最后一段主要 and cut into small pieces.Then they 介绍了学校如何帮助孩子们学习关于钱 are melted and shaped into small balls. 的知识。故选A。 The balls are melted again to form thread 第二课时Understanding ideas ()People can then use the thread to make different kinds of clothes.”可 (①~④) 知，首先，将塑料瓶洗净并切成小块： 基础达标 然后，将这些小块熔化并制成小球；这 I.1.forever 2.cash 3.wallet 些球再次熔化后形成线；人们就可以使用 4.smartphone 5.century 这种线来制作不同种类的衣服。故选C。 II.1.digital 2.convenient 3. A解析：细节理解题。根据最后一段 3.development 4.centuries 5.payment 中的“But it is reported by Causeartist,a IlI.1.for 2.like 3.but 4.with website that focuses on creativity,that the 5.a quality of the clothes from plastic bottles IV.1.oven 2.apps 3.except could be even better than nylon and 4.delivery 5.quickly polyester.”可知，Causeartist报道说用 V.1.shared bike 塑料瓶制成的衣服的质量甚至可能比用 2.have to 尼龙和聚酯纤维制成的衣服的质量还要 3.so;that 好。故选A。 4.give up 4.A解析：推理判断题。根据最后一段 5.living a happier life 中的“Plastic thread can be made into 能力提升 different textures,such as cotton,silk or I.【语篇解读】本文是一则对话，主要谈 even wool.”可知，塑料线可以被加工 论了中小学禁用手机这一规定。 成不同的纹理质感，如棉质、丝质甚至1.C 解析：根据“What are you doing?” 羊毛质地，这可能会引领一个更加环保 及“It is reported that..schools.”可知. 的时尚未来。由此可推知，更多的公司 C项符合语境。故选C。 可能会使用塑料制作服饰。故选A。 2.G解析：根据“We've grown up with Ill.1.The puppets are usually made from them.”可知，G项符合语境。故选G。 leather or paper. 3.B解析：根据“Well,I think it'sa Journey to the West good rule,though..”及下文Jim的解释 3 Old-fashioned. 可知，B项符合语境。故选B。 详解答案11川活21第四课时 Developing id 基础达标 I,根据句意及首字母提示完成句子 1.At the festival,he sang a song which showed his fantastic musical t 2.The young man is trying to be a p in the field of high technology. 3.Try your best and work hard,and you will go through storms t the sea. 4.People should eat less fat to reduce the of heart disease. 5.The teacher will t us on grammar next week. Ⅱ.用所给单词的正确形式填空 1.The wind can be used to produce electric).It's cheaper than a nuclear plant 2.China has made several important discoveries in space explore)recently 3.Don't give up.You know (fail)is the mother of success. 4.Mrs Li spends 20 minutes prepare) breakfast for her son every morning 5.His curious) about ancient civilizations led him to become an archaeologist. Ⅲ.根据句意填入适当的单词 1.Our teacher gave example to us of the common problems. 2.We need to protect ourselves getting sunburned on sunny days. 3.Xuan paper is such a great kind of paper from ancient China that ink and colour can remain fresh and bright for more 2,000 years. 4.He quickly looked the paper and chose an answer without thinking twice. Unit 3 Make it happen!37 eas-Reading for writing 答案见活21 5.This book was famous once, nobody reads it today. Ⅳ.选用方框中所给单词的适当形式填空 explore drive despite earthquake future 1. the heavy rain,the event was a great success. 2.We hope to have a robot in the and it will be able to help me with housework. 3.The told the boys about his adventures in the Arctic. 4.Bob doesn't like the rain.The weather often him mad. 5.Tim was trapped in a place when the stopped. V.根据汉语意思完成句子，每空一词 1.生命如此重要，我们应严肃对待。 Life is important we should take it seriously. 2.因为登山事故阿伦三次差点儿丧命。 Aron almost three times because of climbing accidents. 3.青少年能从各种楷模身上学到很多。 Teenagers can a lot all kinds of role models. 4.九年级学生被分成八个小组，对人工智能的 影响进行研究。 Ninth graders were divided into eight teams to on AI's influence. 5.每个人都好奇那个模特为何缺席昨天的电视 节目。 Everyone the reason why the model was absent from the TV show yesterday. 38川红网勾·WY版·八年级英语·上 能力提升 答案见活21 I,完形填空【主题：人与社会自制望远镜】 Are you interested in creating things?Ma Junhe,a 14-year-old student from Zhengzhou,Henan, recently 1 a telescope().It only cost 70 yuan,but it helps him to see the 2 of the moon. His love for 3 and the space inspired him to create this telescope.After learning about Newtonian Reflector Telescopes(牛顿式反射望远镜)in class,he decided to make a telescope of this 4 himself. As a student,he didn't have a lot of money,so he had to be 5 to find the materials.He bought lenses()online,and used recycled materials for the 6."I used old plastic and even my drum stand,"Ma said. Ma 7 many challenges along the way.First,he tried to make a part with cardboard,as taught in physics class,but it didn't work 8.Then he turned to his teacher for 9.His teacher praised him for his try and 10 him to use plastic instead.When Ma 11 the eyepiece(),he found it was much smaller than the pipe's opening.That was,the opening was kind of 12.He then tried many times to make sure it could fit.After failing 10 times,Ma 13 succeeded. His telescope can make the moon appear 90 times 14,allowing him to clearly see the moon's surface.This is more powerful than many commonly used telescopes. "15 the moon through my telescope made me feel so excited and proud,"said Ma."With enough drive and effort,even with little money,anyone can create something amazing. )1.A.bought B.borrowed C.made ( )2.A.surface B.sky C.water )3.A.maths B.physics C· chemistry ( )4.A.brand B.type C.colour ( )5.A.creative B.kind C.outgoing ( )6.A.bit B.piece C.rest ( )7.A.avoided B.faced C.feared ( )8.A.hard B.fast C. well ( )9.A.money B.time C.help ( )10.A.ordered B.advised C.warned ( )11.A.gave away B.took off C.set up ( )12.A.old B.big C expensive ( )13.A.easily B.clearly C.finally ( ）14.A.smaller B.larger C.nicer )15.A.Seeing B.Drawing C.Travelling Ⅱ.阅读理解【主题：人与社会采茶机器人】 Did you see a robot picking tea before?Now there are tea-picking robots working around tea plants. This is happening in a tea garden in Hangzhou,Zhejiang Unit 3 Make it happen!39 Traditionally,picking these tea leaves is done by hand.However,most of the tea pickers are now in their 60s,and few young people want to take up the job."That's why our team started to make tea- picking robots as early as 2019,said Professor Wu,head of the study team. This heavy(about 550 kg)but smart tea-picking robot was made by Zhejiang Sci-Tech University. Its special arms and tracks()make picking tea become a very easy job.It can find and pick a tea leaf in just 1.5 seconds.A The team have tried their best to teach the robot to think better by using a special AI model.They took thousands of pictures of tea leaves and put them into the robot.The robot analyses the pictures and then gets to know what to pick in a tea garden. Even though the robot is good enough now,the team still wants to make it even better.Using machines more in more areas will help save time and money."Tea-picking robots are the future,"said Wu."In about five years from now,the robots will do all the job of picking Longjing tea. ()1.Why did Wu's team start to make tea-picking robots? A.Human tea pickers are getting fewer. B.Young tea pickers are not good at the job. C.It is expensive to use human tea pickers. ()2.Which of the following can be put in“▲”？ A.It is smarter than most scientists. B.It can get quicker if it gets heavier. C.That is faster than a human tea picker. )3.What does the underlined word "analyses"in paragraph 4 mean? A.Fills. B.Studies. C.Paints. )4.What is the best title for this passage? A.Tea-picking Robot and Longjing Tea B.Human Tea Pickers out of Work C.Robot Tea Pickers Coming into Service Ⅲ.语篇填空【主题：人与社会“Boost Noodle”方便面】 Instant noodles(方便面)are among all the most convenient1. (food)you can buy,but a Japanese company has found a way to make them even 2. (easy)to eat. The noodle company recently launched Boost Noodle,3. kind of pork-flavoured(猪肉口 )instant noodle.These noodles come in a small,convenient plastic bag.And people can eat them with one hand by 4.(simple)sucking out the noodles inside. According 5. the company,the idea for Boost Noodle came from a young employee( 工)who loved6. （play）video games for long periods of time.“For those wanting 7. (eat)and play at the same time,the employee said,"they need a snack that won't stop them.”It8. _(sound)like an easy task for a noodle company,but bringing the product to the market reportedly took two years.Boost Noodle can 9. (enjoy)by anyone looking for a snack that can be eaten with one hand. Boost Noodle can be kept at room temperature for up to 90 10. (day).The product has been available since the end of July,with a price of $4.15,but it only became popular online recently.