Unit 3 Our digital lives-2026-2027学年八年级英语上册词汇精讲精练（沪教版）

U3 Our digital lives 词汇精讲精练 核心词汇概览： treatment;company,smoothly,wait;digital;social;message;mobile;positive; negative;effect;opinion;comment;major;breakthrough;connect to;bring big changes to;in person 词汇精讲 序号 单词/短语 词汇讲解 treatment 释义：n.治疗：处理；对待 /'tri:tmant/ 词形变化：treat(v.治疗；对待)；treated(过去式/过去分词) 搭配：nder treatment在治疗中；treatment for..…的治疗 例句：He is under treatment for his illness. 他正在接受疾病治疗。 、) company 释义：n.公司；陪伴 /'kAmpani/ 词形变化：companion(.伙伴)；accompany(v.陪伴) 搭配：keep sb company陪伴某人；in company with与…一起 例句：I will keep you company. 我会陪着你。 smoothly 释义：adv.顺利地；平滑地 /'smu:oli/ 词形变化：smooth(adj.光滑的；顺利的)；smoothness() 搭配：go smoothly进展顺利 例句：Everything went smoothly.. 切进展顺利。 4 wait 释义：V.等待；等候 /weit/ 词形变化：waiter(m.服务员)；waiting(n./adj);waited(过去式/过 去分词) 搭配：wait for等待：can't wait to do sth迫不及待做某事 例句：Please wait for me.. 请等我一下。 digital 释义：adj.数字的；数码的 /drd3rtl/ 词形变化：digit(.数字)；digitally(adv) 搭配：digital camera数码相机：digital age数字时代 例句：We live in a digital world.. 我们生活在数字世界。 6 social 释义：adj.社会的；社交的 /'saoll/ 词形变化：society(n.社会)；socially(adv.);socialize(v.社交) 搭配：social media社交媒体：social life社交生活 例句：Social media connects people. 社交媒体连接人们。 message 释义：n.消息；信息v.发消息 /'mesid3/ 词形变化：messenger(n.信使)；messaged(过去式/过去分词) 搭配：send a message发消息；leave a message留言 例句：Igot your message. 我收到了你的消息。 8 mobile 释义：adj.可移动的：移动的 /'maubail/ 词形变化：mobility(n.流动性)；mobilize(v.动员) 搭配：nobile phone手机；mobile home活动房屋 例句：People use mobile phones every day. 人们每天都用手机。 positive 释义：ad.积极的；正面的：肯定的 /'pozatrv/ 词形变化：positively(adv.);positivity(n) 反义词：negative 搭配：positive attitude积极态度；positive effect积极影响 例句：Keep a positive mind.. 保持积极心态。 10 negative 释义：adj.消极的；负面的：否定的 /'negativ/ 词形变化：negatively(adv.);negativity(.) 搭配：negative influence负面影响；negative answer否定回答 例句：Don't be so negative. 别这么消极。 11 effect 释义：n.影响：效果 /I'fekt/ 词形变化：effective(adj.有效的)；effectively(adv) 搭配：have an effect on对…有影响；side effect副作用 例句：The news had a bad effect on him, 那消息对他有坏影响。 12 opinion 释义：n.意见；看法 /a'pinjan/ 词形变化：opinionated(adj.固执己见的) 搭配：in one's opinion依某人看来；give an opinion给出意见 例句：In my opinion,.it's a good idea, 依我看，这是个好主意。 13 comment 释义：n.评论；意见v.评论 /'kpment/ 词形变化：commentator(n.评论员)；commented(过去式/过去分 词) 搭配：make a comment发表评论；no comment无可奉告 例句：Please leave a comment. 请留下评论。 14 major 释义：adj.主要的；重要的n.专业v.主修 /'meid3a(r)/ 词形变化：majority(n.大多数)；majorly(adv) 搭配：major problem主要问题；major in主修… 例句：This is a major breakthrough. 这是一个重大突破。 15 breakthrough 释义：n.突破；重大进展 /'breikOru/ 词形变化：break through(v.突破) 搭配：make a breakthrough取得突破 例句：Scientists made a big breakthrough. 科学家取得了重大突破。 16 connect to 释义：连接；接通 /ka'nekt tu:/ 词形变化：connection.连接)；connected(adj.) 搭配：connect..to..把…连接到…；connect with与…联系 例句：Connect the computer to the printer. 把电脑连接到打印机。 17 bring big changes to 释义：给…带来巨大变化 br四bg'tend3ztu/ 词形变化：change/w.);big changes(固定短语) 例句：The internet brought big changes to our life. 互联网给我们的生活带来了巨大变化。 18 in person 释义：亲自：本人 /m p3:sn/ 词形变化：personal(adj.个人的)；personally(adv) 搭配：meet in person亲自见面：appear in person亲自到场 例句：You'd better ask him in person. 你最好亲自问他。 二、专项训练 (一)单句填空（用所给词的适当形式填空） 1.The doctor gave him a new (treat)for his illness. 2.She works in a big (company)and likes her job. 3.Everything went (smooth)during the trip. 4.I can't (wait)to see my favorite singer. 5.This (digit)watch can show the time and steps. 6.We should use (social)media wisely. 7.I sent a (message)to my friend just now. 8.Most people own a_ (mobile)phone today. 9.Try to think in a (positive)way,nota」 (negative)one. 10.The bad weather had a serious (effective)on the crops. 11.In my (opinion),reading is more important than watching TV. 12.Please write a (comment)about this video. (二)短文填空 Technology has 1. (bring)big changes to our daily life.With a 2. (digit) device,we can connect 3. the world easily.4. (Social)media allows us to send 5. (message)and share opinions.However,we should be careful about the 6. (effect)of too much screen time.Some people think it is a 7. (mobile) problem.In their 8. (opinion),we need to balance online and offline life.A 9. (major)breakthrough in communication is the smartphone,but we still need to meet friends 10. (person)sometimes.Don't just wait 11. (smooth)for everything to get better-take positive action! (三)短文选词填空 (用方框中所给单词或短语的适当形式填空，使短文完整正确。每个单词限用一次，每空 限填一个单词。) 方框词汇：treatment,,company,smoothly,.wait,digital,social,message,nobile,positive, negative,effect,opinion,comment,major,breakthrough,connect to,bring big changes to,in person Every year,new technologies 1. our lives.The 2. age makes communication easier.For example,we can 3.the Internet,send a 4. instantly,and stay in touch with friends through 5. media.However,scientists worry about the 6.of overusing 7. phones.They say it may have a 8 impact on health.In my 9. ,we should have a 10. attitude and use them wisely.A 11.in medical 12. also helps people live longer.It's important to sometimes talk to others 13. instead of just online.So don't 14. -take action and enjoy life 15 (四)完成句子 根据所给汉语意思，用单词或短语完成下列英文句子。 1这家公司正在研发一种新的治疗方法。 The is working on a new for the disease. 2.请连接打印机到电脑。 Please the printer the computer. 3这次会议进行得很顺利。 The meeting went very 4.我迫不及待要见我的笔友。 see my pen friend. 5.数字设备给教育带来了巨大变化。 devices have education 6社交媒体对青少年的影响是积极的还是消极的？ Does have a on teenagers? 7依我看，你应该亲自去道歉。 In you should apologize 8她的评论对大家产生了负面影响。 Her had a on everyone. 9科学家在人工智能方面取得了重大突破。 Scientists made a in artificial intelligence. 10.不要只等待好事发生，要主动创造机会。 Don't just for good things to happen;take action to create chances. 三、参考答案 (一)单句填空 1.treatment 2.company 3.smoothly 4.wait 5.digital 6.social 7.message 8.mobile 9.positive;negative 10.effect 11.opinion 12.comment (二)短文填空 1.brought 2.digital 3.to 4.Social 5.messages 6.effect 7.mobile 8.opinion 9.major 10.in person 11.smoothly (三)短文选词填空 1.bring big changes to 2.digital 3.connect to 4.message 5.social 6.effect 7.mobile 8.negative ;9.opinion 10.positive 11.breakthrough 12.treatment 13.in person 14.wait 15.smoothly (四)完成句子 1.company;treatment 2.connect;to 3.smoothly ;4.can't wait to 5.Digital;brought big changes to ;6.social media;positive;negative effect ,7.my opinion;in person ;8.comment; negative effect 9.major breakthrough 10.wait