U3 Period Ⅰ　Welcome to the unit & -【优化探究】2025-2026学年新教材高中英语必修第三册同步导学案配套PPT课件（译林版）

必修第三册 UNIT 3　The world online 【单元话题词汇】 Period Ⅰ　Welcome to the unit & Reading－Comprehending 内容索引 NEIRONGSUOYIN 课时作业 巩固提升 The Internet：a world without frontiers① 　　The Internet has the power to connect people across the world to a single shared community.Billions② of people in different parts of the world have joined it already，and obviously③ many more will follow.Even in the countryside， the Internet enables people to reach beyond their villages and get in touch with the outside world. We can Part 1　教材原文助读 achieve almost anything online－with access④ to the Internet come some truly life-changing advantages[1]. [1]本句为全部倒装句式，主语为some truly life-changing advantages，谓语动词为come，正常语序为some truly life-changing advantages come with access to the Internet。 ①frontier /ˈfrʌntɪə(r)/ n.国界，边界；尖端， 边缘 ②billion /ˈbɪljən/ num.十亿 ③obviously /ˈɒbviəsli/ adv.显然，明显地 ④access /ˈækses/ n.机会，权利；入径，通道 vt.到达，进入， 使用 互联网：没有边界的世界 互联网能将世界各地的人们连接在一个共享社群里。世界各地数十亿人已加入进来，显然还有更多人也将加入。即使在农村，互联网也能让人们超越村庄，接触到外面的世界。在网上我们几乎什么都能做到。接入互联网带来了一些实实在在改变我们生活的好处。 　　One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information.To a certain extent⑤， the world’s knowledge is all at our fingertips⑥.With the click⑦ of a mouse or the touch of a button⑧， it is possible to find out almost anything we care to know[2]，from recipes⑨ to travel packages， from military⑩ affairs⑪ to learning resources. In the time it takes to find one book in the library， we can use a search engine to bring up⑫ millions of results.No wonder the Internet has now become the first place that the majority⑬ of people turn to for information.[3] [2]此句是一个复合句；it为形式主语，真正的主语是to find out almost anything； we care to know为省略了引导词that的定语从句，修饰anything。 [3]no wonder...意为“难怪……”，为固定句式；that the majority of...为that引导的定语从句，修饰先行词the first place。 ⑤extent /ɪkˈstent/ n.程度，限度；范围 to a certain extent 在一定程度上 ⑥at one’s fingertips 掌握(信息)，熟悉、精通(知识等)，了如指掌 ⑦click /klɪk/ n.点击，单击；咔哒声 vi.& vt.使发出咔哒声；点击，单击 ⑧button /ˈbʌtn/ n.按键；纽扣 ⑨recipe /ˈresəpi/ n.食谱；方法，秘诀 ⑩military /ˈmɪlətri/ adj.军事的，军队的 ⑪affair /əˈfeə(r)/ n.公共事务，政治事务；事件，事情 ⑫bring up 使显示在计算机屏幕上，调出； 提出 ⑬majority /məˈdʒɒrəti/ n.大部分，大多数； 多数票 互联网的最大好处之一就是能(让人)快速、轻易地获取大量信息。在某种程度上，我们能随时了解全世界的知识。鼠标一点或按钮一按，就可能找到我们想知道的几乎任何信息，从食谱到旅游套餐，从军事事务到学习资源。用在图书馆找本书的时间，我们能用搜索引擎找到数百万条结果。难怪互联网现在已经成为大多数人查找信息的首选途径。 　　The Internet has also made our lives unbelievably convenient， with all sorts of goods⑭ and services provided by electronic commerce⑮， more commonly known as e-commerce[4].You can have food delivered⑯ to you using food delivery apps and sites⑰. Gone are the days of searching shop after shop for the perfect pair of boots －you can compare styles and prices quickly and easily in the comfort of your living room. Why wait hopelessly for a taxi in the cold rain？ It is now simple and fast to order one with a taxi app.Sit back and relax indoors for a few warm minutes until the driver arrives.When you wish to go on holiday， you can make all your travel arrangements⑲ just in front of the computer.Forgot to carry cash⑳？ There is no need to worry－you can pay for almost everything on your smartphone. [4]此处为“with＋名词＋过去分词短语”构成的with复合结构，known as...作后置定语修饰commerce。 [5]此处是为了保持句子结构平衡而采用的全部倒装句式，主语为the days of searching shop after shop for the perfect pair of boots，谓语动词为are，gone作表语。 ⑭goods /ɡʊdz/ n.商品，货品；私人财产 ⑮commerce /ˈkɒmɜːs/ n.商务；商业；贸易 ⑯deliver /dɪˈlɪvə(r)/ vt.递送，传送；发表，宣布； 交出 ⑰site /saɪt/ n.网站，站点；地点；现场 ⑱boot /buːt/ n.靴子 ⑲arrangement /əˈreɪndʒmənt/ n.安排；布置；约定；排列 ⑳cash /kæʃ/ n.现金；金钱，资金 电子商务可提供各种各样的商品和服务，互联网也因此让我们的生活变得异常便利。使用食物配送应用程序或网站，你就能让食物送到你身边。一家店一家店寻找那双最合适的靴子的日子一去不复返了。你们可以舒舒服服地待在客厅里轻松快捷地比较款式和价格。为什么要在冷雨中绝望地等出租车呢？现在在打车软件上打车很简单。在温暖的屋里，放松地坐等几分钟，司机就来了。当你想去度假时，在电脑前就能安排所有的旅游行程。忘记带现金？无须担心，几乎所有的东西都能用智能手机支付。 　　Above all else㉑， the Internet helps us establish㉒ and maintain social ties.With all sorts of communication software㉓， physical distance no longer gets in the way. No matter where we are， we are able to keep in contact with loved ones， find long－lost friends and discover whole new communities who share our hobbies. [6] An instant㉔ message， a group chat， a video call， a comment㉕ on an update－there are endless ways to share our views or let someone know we care about them. [6]此句为主从复合句；no matter where引导让步状语从句，who引导的定语从句修饰先行词communities。 ㉑above all else 最重要的是，尤其是 ㉒establish /ɪˈstæblɪʃ/ vt.建立(关系或联系)； 设立；确立；使得到认可；查实，确定 ㉓software /ˈsɒftweə(r)/ n.软件 ㉔instant/ˈɪnstənt/ adj.立即的，立刻的；方便的 n.瞬间，片刻；某一 时刻 ㉕comment/ˈkɒment/n.议论，评论；批评，指责 vi.& vt.表达意见 最重要的是，互联网还能帮助我们建立和维系社会关系。有了各种通信软件，现实距离已不再是阻碍了。无论在哪里，我们都能与爱的人保持联系，找到许久没有音信的朋友，发现与我们有共同爱好的新社区。即时信息、群聊、视频通话、实时评论 ——有无数种途径来分享我们对事件的看法或让人知道我们关心 他们。 　　However，while the Internet brings many valuable advantages， being connected has its problems[7].As with any great invention， we must be aware㉖ of these problems and be careful to use the Internet properly and responsibly.Only in this way can the Internet be a place of discovery，wonder and inspiration for everyone.[8] It is truly a world without frontiers. [7]本句是主从复合句；while引导让步状语从句，动名词短语being connected在句中作主语。 [8]本句是倒装句，句中only in this way位于句首时，其后用部分倒装语序。 ㉖aware/əˈweə(r)/ adj.知道，意识到；察觉到，发觉；有……意 识的 　　然而，虽然互联网给我们带来许多有益的便利，被关联也有它的问题。就像任何伟大的发明一样，我们必须意识到这些问题，并恰当地、负责任地谨慎使用互联网。只有这样，互联网才能够成为每个人的发现、想象和启发之地。这确实是一个没有边界的世界。 Read the text quickly and fill in the following blanks with suitable words. shared to convenient ties aware Read the text carefully and choose the best answers. 1.What can we know surely from the text？ A. We can find whatever information we care from the Internet. B. There’s no doubt that the Internet will become the biggest information source. C. The countryside districts still have no access to the Internet. D. The Internet has its own advantages and also its problems. 答案：D 2.What’s the author’s attitude toward the Internet？ A. Objective.　　　　　B. Critical. C. Doubtful. D. Indifferent. 答案：A 3.What does the author want to tell us in the last paragraph？ A. There are many disadvantages of the Internet. B. People should keep away from the Internet. C. We should be careful to use the Internet responsibly. D. The Internet is a place of wonder and inspiration. 答案：C After reading the text， please fill in the following blanks. 　　The Internet 1._____ (have) the power to connect people across the world to 2.___ single shared community.We can achieve almost anything online－with access to the Internet come some truly life-changing advantages. One of the greatest 3.__________ (advantage) has a advantages of the Internet lies in the quick and easy access to a huge amount of information.The Internet has now become the first place 4.______ the majority of people turn to for information.Meanwhile， it has also made our lives unbelievably 5.____________ (convenience)， with e-commerce 6.___________ (provide) all sorts of goods and services. that convenient providing Above all else，the Internet helps us establish and maintain social ties.However，while the Internet brings many valuable advantages，being connected has its problems.We must be aware 7.____ these problems and be careful to use the Internet 8.__________ (proper) and responsibly.When 9.______ (use) safely， the Internet can be a place of 10.___________ (discover)，wonder and inspiration for everyone. of properly used discovery 1.We can achieve almost anything online－with access to the Internet come some truly life-changing advantages. [句式分析]　本句是一个简单句；句中含有为了保持句子结构平衡而引起的__________句式。 [自主翻译]　_____________________________________________ ________________________________________________________ 全部倒装 在网上我们几乎什么都能做到。接入互联网带来了一些实实在在改变我们生活的好处。 2.No matter where we are， we are able to keep in contact with loved ones， find long-lost friends and discover whole new communities who share our hobbies. [句式分析]　本句是一个复合句；no matter where相当于__________，引导__________从句，表示“无论在哪里”；who引导______从句，修饰先行词communities。 [自主翻译]　_____________________________________________ ________________________________________________________ wherever 让步状语 定语 无论在哪里，我们都能与爱的人保持联系，找到许久没有音信的朋友，发现与我们有共同爱好的新社区。 3.Only in this way can the Internet be a place of discovery， wonder and inspiration for everyone. [句式分析]　本句是一个简单句；句中含有“only＋状语(从句)”置于句首引起的__________。 [自主翻译]　_____________________________________________ ________________________________________________________ 部分倒装 只有这样，互联网才能够成为每个人的发现、想象和启发之地。 课时作业 巩固提升 Ⅰ.阅读理解 A 　　Social media allows teenagers to create online identities， communicate with others and build social networks.These networks can provide teenagers with valuable support.Teenagers also use social media for entertainment and self-expression.And the platforms can expose teenagers to current events， allow them to communicate across geographic barriers and teach them about different kinds of subjects. However， social media use can also， negatively affect teenagers， distracting them， influencing their sleep， and exposing them to bullying (恐吓)， rumour (谣言) spreading， untrue views of other people’s lives and peer pressure. 　　There are steps you can take to encourage responsible use of social media and limit some of its negative effects. 　　Set reasonable limits.Talk to your teenager about how to avoid letting social media affect his or her activities， sleep， meals or homework.Encourage a bedtime routine that avoids electronic media use， and keep cell phones and tablet computers out of teenagers’ bedrooms.Set an example by following these rules yourself. 　　Monitor your teenager’s accounts.Let your teenager know that you’ll be regularly checking his or her social media accounts.You might aim to do so once a week or more.And make sure you follow through. 　　Explain what’s not OK.Discourage your teenager from gossiping， spreading rumour， bullying or damaging someone’s reputation－online or otherwise.Talk to your teenager about what is appropriate and safe to share on social media. 　　Encourage face-to-face contact with friends.This is particularly significant for teenagers who are easily hurt by social anxiety disorder. 　　Talk about social media.Talk about your own social media habits.Ask your teenager how he or she is using social media and how it makes him or her feel.Remind your teenager that social media is full of unrealistic images. 　　If you think your teenager is under the anxiety or depression related to social media use， talk to your child’s health care provider immediately. [语篇解读]　本文是一篇说明文。文章主要介绍了家长可以用来帮助自己的孩子正确使用社交媒体的几个方法。 1.How does the author mainly develop the first paragraph？ A. By providing reasons. B. By making comparisons. C. By listing numbers. D. By raising questions. 答案：B 解析：推理判断题。根据第一段的内容可推知，作者主要是通过对比的方式，介绍了社交媒体的利与弊。故选B。 1 2 3 4 2.What’s a better way to avoid being affected by cell phones according to the text？ A. Powering them off. B. Putting them in the schoolbag. C. Listening to them instead of watching. D. Keeping them out of bedroom. 答案：D 1 2 3 4 解析：细节理解题。根据第三段中“Encourage a bedtime routine...out of teenagers’ bedrooms.”可知，避免受手机影响的更好方法是让它们远离卧室。故选D。 1 2 3 4 3.Which of the following statements is TRUE according to the text？ A. Teenagers’ social media accounts should never be checked by other people. B. It is not necessary to explain what is not good in social media. C. Face-to-face contact is no longer important for teenagers in the Internet era. D. You should ask for help if your teenager is experiencing the negative effects of social media. 答案：D 2 3 4 1 解析：细节理解题。根据最后一段的内容可知，如果你的孩子正在经历社交媒体的负面影响，你应该寻求帮助。故选D。 2 3 4 1 4.Who is the text written for？ A. Parents.　　　　　　 B. Teenagers. C. Officials. D. Doctors. 答案：A 解析：推理判断题。根据最后一段的内容可推知，这篇文章是写给家长的。故选A。 2 3 4 1 B 　　I live abroad， so social media is key in my communication with friends； yet many didn’t realise I was sick for months.I was struggling to connect and communicate with anyone on any level. 　　As I searched on the Internet trying to understand what was happening to me，websites gave me the answer－depression.I researched topics about treatment and read others’ articles about their experiences.I began to feel understood， less alone and more informed. 　　I set up a social media account choosing the name itreallyisok； I wanted to build on the sentence I had seen over and over again online， which had brought me so much comfort.It’s OK to not be OK.It took me a long time to accept this but doing so really helped with my recovery.Writing and sharing really helped me process what I was going through； and receiving other people’s support was hugely beneficial to me as well. 　　The highlight of my social media experience， however， was coming into contact with someone on the other side of the world who supported me through a three-week crisis.During a particularly difficult stage of my recovery， my doctor suddenly went off sick.I was struggling to talk to anyone close to me at the time.Hesitantly， I got in touch with a psychologist who had regularly shared posts that I’d connected with.This stranger helped me so much and her response， when I asked her why， blew me away.Through her I learnt that we might not be able to change the world at one blow but we can change the world of one person at a time. 　　As you can see， the Internet and social media have been hugely beneficial in helping me get through a difficult journey.Despite many of the warnings， I can highly recommend it as a way to keep in touch with those you can relate to.As with anything though， connect with care. [语篇解读]　本文是一篇记叙文，主要讲述了作者在异国他乡生活时，通过社交媒体与朋友保持联系，并在经历抑郁期间，如何通过互联网和社交媒体找到支持和安慰，最终走出困境的故事。 5.What was wrong with the author？ A. She felt lonely living abroad. B. She suffered from depression. C. She had trouble making friends. D. She was addicted to social media. 答案：B 解析：细节理解题。根据第二段中的“As I searched on...gave me the answer－depression.”可知，作者的问题是抑郁。故选B。 5 6 7 8 6.Why did the author choose the name itreallyisok for her social media account？ A. To be different from other users. B. To tell the world she was OK. C. To get comfort from others online. D. To encourage herself to accept her illness. 答案：D 6 7 8 5 解析：细节理解题。根据第三段中的“I set up a social...It’s OK to not be OK.”可知，作者选择这个名字是为了鼓励自己接受病情。故选D。 6 7 8 5 7.What did the author do when her doctor fell ill？ A. She reached out to an expert online for help. B. She tried hard to connect with her friends. C. She travelled to the other side of the world to relax. D. She shared posts regularly online to feel less lonely. 答案：A 7 8 5 6 解析：细节理解题。根据第四段中的“During a particularly difficult...that I’d connected with.”可知，当作者的医生生病时，她联系了一个经常分享她认同帖子的心理学家。故选A。 7 8 5 6 8.What did the author learn from the stranger？ A. Despite the forecast， live like it’s spring. B. Talking to your friends is sometimes all you need. C. One can change the world by starting with one person. D. Each person must live their life as a model for others. 答案：C 5 6 7 8 解析：细节理解题。根据第四段中的“Through her I learnt...person at a time.”可知，作者从陌生人那里学到的是，一个人可以通过一次改变一个人的方式来改变世界。故选C。 5 6 7 8 C 　　When Senait Lara，a 28-year-old video producer，was questioned by her friends about her lack of communication in their group chat，the blames were as follows：she only caught up every few days；when she did，it was hardly an interaction－Lara spent time“liking”messages instead of responding with words；and sometimes she would never respond at all.Lara didn’t deny it.She knew she sometimes preferred to completely avoid her phone rather than deal with a large number of requests.Actually， in person， Lara felt comfortable talking with people， but when communication came down to a text message or an email， she wanted to tap out. 　　While social media and messaging apps keep us more connected to each other， many younger users are finding themselves tired out from receiving constant notices and carrying on conversations that can last all day.The after-effect？ Delayed responses， forgetting to get back to someone entirely， and a need for frequent phone breaks. In fact， a 2023 study exploring the effects of information overload and online conversation dynamics (动态) found that over-exposure to information can suppress the possibility of response by overloading users. 　　Smartphones have quickly changed into handheld storage units for our conversations， thoughts， music and everything else.That shift to feeling constantly attached to our phones as if they were a limb relates to the burnout， says psychologist Emily Balcetis. 　　As the pressure to be online and always available continues to grow in our society，in-person interactions provide far more real communication than digital ones.From body language to eye contact and all the other social clues that exist in real life that aren’t available in a text message，it’s far easier to be present when you’re face-to-face.As Balcetis notes，“At the end of the day，I think what we’re looking for is not more ways to stay connected，but higher quality ways to be connected.” [语篇解读]　本文是一篇说明文。文章主要探讨了年轻人在社交媒体和即时通信应用上的疲劳现象，指出信息过载会抑制用户回应的可能性，并强调面对面交流相比数字交流能提供更真实的沟通 体验。 9.What dissatisfied Senait Lara’s friends？ A. Lara denying her problems. B. Lara avoiding using her phone. C. Lara’s preference for digital communication. D. Lara’s communication style in the group chat. 答案：D 9 12 10 11 解析：细节理解题。根据第一段中“When Senait Lara， a 28-year-old...the blames were as follows”可知，让Senait Lara的朋友们不满意的是她在群聊中的沟通方式。故选D项。 9 12 10 11 10.What does paragraph 2 tell us about many young people？ A. They are starting to have memory problems. B. They refuse to put down their smartphones. C. They are tired of frequent digital contact. D. They feel more connected to each other. 答案：C 10 11 9 12 解析：细节理解题。根据第二段中“While social media...can last all day.”可知，第二段告诉我们许多年轻人厌倦了频繁的数字联系。故选C项。 10 11 9 12 11.Which of the following best explains the underlined word “suppress” in paragraph 3？ A. Indicate. B. Limit. C. Measure. D. Decide. 答案：B 11 10 9 12 解析：词义猜测题。根据第二段中“many younger users...can last all day”和画线词所在句“In fact， a 2023 study...by overloading users.”中的“over-exposure to information”可推知，过度暴露于信息中会使人们感到疲惫不堪，会“抑制”他们作出反应的可能性。画线词suppress与limit意思相近，意为“抑制，限制”。故选B项。 11 10 9 12 12.What does the last paragraph mainly stress？ A. The need to take a break from digital devices. B. The pressure of always being available online. C. The importance of face-to-face communication. D. The ability to understand clues behind text messages. 答案：C 解析：段落大意题。本段主要强调了面对面交流比数字交流更真实、更容易让人身临其境，强调了其重要性。故选C项。 10 11 12 9 Ⅱ.阅读七选五 How Mobile Technology Has Changed Our Lives Forever The invention of the mobile phone and mobile technology was incredible.　1　 Here we highlight the most common ones that technology is changing our lives today. ·Mobile technology has changed how we communicate. The advancement of technology has made communication unbelievably fast and convenient. In the past， writing a letter or finding a wired telephone was the best way to communicate remotely with someone.　2　 You can send them a message on social media， text them， email， or put a call through. ·Mobile technology creates the “Everything” device. With many business mobile technologies developing， there are some products that they have made out of date.Now just one device has replaced the portable (便携式的) music player， alarm clock， calculator， camera， flashlight， calendar and much more.　3 .　 ·Mobile technology leads to ever-present distraction. In many places， it’s a common sight that everyone has a mobile phone within arm’s reach.In the first two ways listed above， that can be useful.　4　 As mobile technologies have become more and more widespread in today’s society， research has begun to connect heavy day-to-day use with a number of side effects， the majority of which are related to mental health. 　5　 We should accept that mobile technologies are here to stay and improve our lives for the better in spite of its shortcomings.In my opinion， its advantages far outweigh its disadvantages. A. We cannot ignore its disadvantages. B. All in all， mobile devices greatly benefit our lives. C. However， instant access is not always a good thing. D. While these things do still exist， they are no longer absolutely essential. E.Nowadays， you are blessed with more efficient options at your fingertips. F.The conventional way of doing shopping has also changed beyond imagination. G.Since then， advances in mobile technology have shaped our lives in various ways. [语篇解读]　本文是一篇说明文。文章从生活中几个常见的方面介绍了移动技术对我们生活的改变。告诉我们尽管移动技术存在缺陷，但它仍将继续存在，并使我们的生活变得更好。 1.答案：G 解析：根据空前一句可知，移动电话和移动技术的发明是不可思议的； G项中的“shaped our lives”和下文中的“changing our lives”相呼应。 2.答案：E 解析：根据段落主旨句可知，本段讲述的是移动技术对沟通方式的改变。结合空前句可知，E项承接上文，引起下文，选项中的“Nowadays”和上文的“In the past”形成对照。 3.答案：D 解析：根据上文中的“Now just one device has replaced...much more.”可知，移动技术的发展使得一种设备可以替代多种设备。D项承接上文，选项中的“these things”指代上文中的“the portable music player， alarm clock...much more”。 4.答案：C 解析：根据空后句可知，本段讲述的是研究发现，移动设备会带来副作用。C项引起下文提到的副作用，选项中的“not always a good thing”与下文中的“a number of side effects”相呼应。 5.答案：B 解析：根据空后句可知，移动技术虽然有缺陷，但对我们的生活是有利的。B项符合语境。 $$