Unit 3 Our digital lives-2026-2027学年八年级上册英语词汇语法讲练（沪教版）

Unit 一、单元核心单词 序号 单词 1 network 2 flood 3 multimedia 4 expert 5 mobile 6 payment 7 warn 8 treatment 9 data 10 company 11 traffic 12 flow 13 smoothly 14 laptop 15 screen 16 weight Our digital 词汇语法讲练 音标 /netw3:k/ /fl d/ /.mAlti'mi:die/ /'eksp3:t/ /'meubail/ /perment/ /wo.n/ /'ti:tmant/ /'derta/ /kampani/ /'traefik/ /fa5/ /'smu:δli/ /'laeptop/ /skii:n/ /wert/ lives 词性 中文释义 网络 n. 洪水；水灾 多媒体 ? 专家 adj 可移动的 付款；支付 v. 提醒注意；警告 治疗；疗法 n. 数据 n. 公司 路上行驶的车 n 辆；交通 (人或事物)流 V. 动：流淌 平稳地：连续而 adv. 流畅地 n. 笔记本电脑 n. 屏幕 n. 重量 17 smartphone 18 software 19 app 20 opinion 21 novel 22 review 23 basis 24 microprocessor 25 microchip 26 major 27 breakthrough 28 electronic 29 era 30 download 31 tiny 32 digital 33 social 34 message 35 effect 36 interview 37 negative 38 positive 二、 单元核心短语 /'sma:tfaun/ n. 智能手机 /'spftwea(1)/ n. 软件 (application的缩 /aep/ n. 写)应用程序： 应用软件 /a'pmnjan/ 意见；看法 /'npvl/ (长篇)小说 hI'vju:/ n. 评论 /'beIsIs/ n. 基础；根基 /markreu n 微处理器 prausesa(r)/ /'markrautjip/ n. 微芯片：芯片 /'merd3a(r)/ adj. 主要的：重要的 /'breikOru:/ 突破：重大进展 I lek'tronik/ adj. 电子的 /'Iera/ n. 时代；纪元 daun'leud/ 下载 /'tami/ adj. 微小的：极小的 /'drd3tl/ adj. 数码的：数字的 /'sa/ adj. 社交的：社会的 /'mesId3/ n. 信息；消息 /I'fekt/ n. 影响；效果 /'mntavju:/ v./n. 采访；访谈 /'negatrv/ adj. 负面的：消极的 /'ppzatrv/ adj. 正面的：积极的 序号 短语 音标 中文释义 1 connect to 连接；接通 2 bring big changes to 给…带来重大变化 3 social media 社交媒体 mobile payment 移动支付 in person 亲自；亲身 take...for example 以…为例 7 digital literacy 数字素养 8 digital device 数字设备 词汇短语练习 一、根据汉语意思或首字母提示，写出正确的单词。（每题1分，共10分) 1.n 网络 2.1m 可移动的 3p一 付款：支付 4.w 提醒注意：警告 5.t 治疗：疗法 6.d 数据 7.f (人或事物)流动 8.s 平稳地 9.1 笔记本电脑 10.s 屏幕 二、单项选择，选出最合适的一项。（每题1分，共15分） 1.-Can you to the Wi-Fi? A.connect B.wam C.download D.interview 2.The flood many houses in the village last year. A.flows B.brings C.flood D.flooded 3.Mobile is very convenient.We can pay without a wallet. A.payment B.weight C.traffic D.treatment 4.The expert gave a talk about media A.social B.digital C.electronic D.major 5.y is that we should use smartphones wisely A.opinion B.review C.message D.basis 6.The new software runs on my laptop. A.smoothly B.tiny C.negative D.positive 7.Which word means "a small piece of electronic equipment'? A.microchip B.microprocessor C.smartphone D.screen 8.The company is famous for its products A.digital B.novel C.multimedia D.mobile 9.Please the app from the official website A.download B.flow C.warn D.interview 10.The of the box is about 5 kilograms. A.weight B.effect C.traffic D.treatment 11.We should have good digital to protect our privacy. A.literacy B.device C.media D.network 12.He is a(n) in computer science A.expert B.novel C.app D.review 13.The can help you watch videos on the internet. A.multimedia B.flood C.data D.basis 14.-What do you think of the new phone? A.positive B.negative C.major D.tiny 15.The invention of the microprocessor was a major A.breakthrough B.treatment C.interview D.review 三、用所给单词的适当形式或对应词填空。（每题1分，共10分） 1.The teacher (warn)us not to spend too much time on smartphones 2.Many experts are studying the (effect)of social media on teenagers. 3.The water in the river (flow)smoothly after the rain stopped. 4.She gave a long (review)about the novel on her blog. 5.We need to improve our digital (literate)skills 6.The company is developing new (electronic)products 7.The (major)of people use mobile payment every day. 8.Please (message)me when you arrive. 9.The app has a small (weigh)and is easy to canry. 10.His opinion is (base)on real data. 四、情景交际：补全对话（每空2分，共20分） A:Hi,Linda!Do you use any (1) (social)media apps? B:Yes,I use WeChat and TikTok.(2) (Take...for example)WeChat,I can connect to my fiiends easily. A:What about (3) (mobile payment)?Do you often use it? B:Of course.I pay for almost everything(4) in person)or online A:That's convenient.But we should also pay attention to(5) (digital literacy). B:I agree.We must leamn how to protect our personal (6) (data). A:And we shouldn't download software from unknown sources. B:Right.That might cause(7)(negative)effects on our devices A:(8) (Connect to)a safe network is also important. B:Exactly.The (9) (era)of digital lives brings big changes,but we need to be smart. A:Let's(10) (interview)some classmates about their digital habits tomorrow. B:Good idea! 五、连词成句（注意标点和大小写）。（每题5分，共25分） 1.experts,warn,us,the,about,of digital,risks,devices ( → 2.social,brings,big,media,changes,to,our,lives ( → 3.how,can,I,download,this,app (? → 4.positive,the,effect,of,mobile,payment,is,huge ( → 5.smoothly,the,network,works,after,the,upgrade ( 参考答案 一、根据汉语意思或首字母，写出正确的单词 1.network 2.mobile 3.payment 4.warn 5.treatment 6.data 7.flow 8.smoothly 9.laptop 10.screen 二、单项选择 1.A2.D3.A4.A5.A6.A7A8.A9.A10.A11A12.A13.A14.A15.A 三、用所给单词的适当形式或对应词填空 1.wamns 2.effects 3.flows 4.review 5.literacy 6.electronic 7.majority 8.message 9.weight 10.based 四、情景交际：补全对话 (1)social(2)Take...for example(3)mobile payment(4)in person (5)digital literacy (6)data(7)negative (8) Connect to (9)era(10)interview 五、连词成句 1.Experts wamn us about the risks of digital devices. 2.Social media brings big changes to our lives. 3.How can I download this app? 4.The positive effect of mobile payment is huge. 5.The network works smoothly after the upgrade. 单元语法讲练： 考点1：形容词比较等级的基本概念与构成规则 核心规则表 等级 适用场景 核心标志 示例 描述事物本身性质， My new smartphone is 原级 无比较对象 不做比较 fast. 两者（人/事物）之间 比较级 than(比) This laptop is lighter 比较，表“更…” than that old one. 三者及以上人/事物比 The microchip is the he+范围 最高级 most important invention 较，表“最…” (in/ofamong.） in digital age. 规则变化表 变化规则 原级示例 比较级 最高级 适用词类 般直接加-er taller,faster, tallest,fastest, tall,fast,small 多数单音节词 est smaller smallest 以不发音e结尾， nicest,largest, 结尾为不发音e的 nice,large,late nicer,larger,later 加-r/-st latest 单音节词 辅音字母+y结 happier,easier, happiest,easiest, 辅音+y结尾的形 尾，变y为i加-er happy,easy,heavy heavier heaviest 容词 est 重读闭音节（辅 +元+辅结尾，且 bigger,hotter, biggest,hottest, big,hot,thin,fat, 符合重读闭音节 thinner,fatter, thinnest,fattest, 重读)，双写尾 sad 规则的单音节词 sadder saddest 字母加-er/-est 多音节词（≥3个 more beautiful, most beautiful, beautiful, 多音节形容词、 音节)及部分双 more expensive, most expensive, expensive, 描述性双音节形 音节词，前加 more important, most important, important,useful 容词 more/most more useful most useful 不规则变化表（必背） 原级 比较级 最高级 记忆提示 good/well better best 两好变化特殊记 bad/ill worse worst 两坏病同变化 many/much more most 数量多少同变化 little less least 少变化要记清 距离更远用fa1ther,程 far farther/further farthest/furthest 度更进一步用further 即学即练（形容词比较等级基本概念与构成规则） 单项选择 1.My new digital camera is than my old one A.light B.lighter C.lightest D.the lightest 2.Which is a smartphone,a laptop or a desktop computer? A.expensive B.more expensive C.most expensive D.the most expensive 3.The screen of this tablet is than that of the old model. A.nice B.nicer C.nicest D.the nicest 4.Digital payment is much than carrying cash when we go shopping A.convenient B.more convenient C.most convenient D.the most convenient 5.After using the learning app,I find English is than before. A.easy B.easier C.easiest D.the easiest 6.The little boy looks even after playing computer games for 3 hours A.sad B.sadder C.saddest D.the saddest 7.Microchips are getting and smaller as technology develops. A.small B.smaller C.smallest D.the smallest 8.Among all the digital devices in my home,the smart TV is A.expensive B.more expensive C.most expensive D.the most expensive 9.-How do you like the new software? A.good B.better C.best D.the best 10.If you spend too much time on social media,you will have time for your homework. A.little B.less C.least D.the least 考点2：形容词比较等级的常用句型与修饰词 核心表达表 等级 句型结构 含义 例句 This app is as useful as A+be+as+原级+ 原级 A和B一样… that one for leamning as+B English A+be+not as/,so+原 E-books are not as 原级否定 A不如B.… 级+as+B heavy as paper books. A+be+比较级+ 5G network is faster 比较级 A比B更… than+B than 4G network Digital products are 比较级+and+比较 becoming cheaper and 比较级特殊 级/mo1 e and more+ 越来越… cheaper./Online 原级 learning is becoming more and more popular. The more you use digital The+比较级，he+比 tools properly,the more 比较级特殊 越…，就越… 较级 convenient your life will be. A+be+he+最高级 Huawei is one of the A在某范围内是最… 最高级 +范围 best smartphone brands 的 (in/of/among...) in the world. 用法提示 √可修饰比较级的词：much（..得多)、alot（..得多)、even(甚至更)、still (更)、a little（一点)、abit(一点) △注意：vey、quite、so、too只能修饰原级，不能修饰比较级。 即学即练（形容词比较等级常用句型与修饰词)单项选择 1.My old laptop is not fast the new one I bought last week. A.so;as B.as;than C.more;than D.so;than 2.With the development of digital technology,our lives are getting A.good and good B.well and well C.better and better D.best and best 3. carefully you use your smartphone, it will last. A.The more;the longer B.The most;the longest C.More;longer D.Most;longest 4.This new mobile payment method is than I thought. A.much convenient B.much more convenient C.very convenient D.very more convenient 5.Of all the social media apps,WeChat is among Chinese people. A.popular B.more popular C.most popular D.the most popular 6.E-books are than paper books,so they are easy to carry. A.a lot light B.a lot lighter C.very lighter D.very light 7.-Is this learning app than that one? -No,it is not so useful as that one. A.useful B.more useful C.most useful D.the most useful 8.The new software runs even than the old version on my computer. A.smooth B.smoother C.smoothest D.the smoothest 9.Digital life brings us a lot of convenience,but it also makes people become more dependent on phones. A.many and many B.much and much C.more and more D.most and most 10.-Which is way to pay,cash,bank card or mobile payment? -Mobile payment,of course A.convenient B.more convenient C.most convenient D.the most convenient 参考答案 即学即练（形容词比较等级基本概念与构成规则） 1.B2.D3.B4.B5.B6.B7.B8.D9.B10.B 即学即练（形容词比较等级常用句型与修饰词） 1.A2.C3.A4.B5.D6.B7.B8.B9.C10.D