必修第二册 UNIT 3 THE INTERNET(ppt课件)-【正禾一本通】2025年高考英语高三一轮总复习高效讲义（人教版2019）

正禾一本通 一轮总复习 多媒体课件 英语（人教版） 一轮总复习 多媒体课件 英语（人教版） 正禾一本通 必修第二册 UNIT 3 THE INTERNET 主题语境：人与社会——互联网 主题解读 随着社会的进步，互联网逐渐兴起，网民的数量不断增加。这一话题与学生生活密切相关，也是近几年高考的热点话题，如2021年全国乙卷书面表达，以“Be smart online learners”为题写一篇发言稿参赛。2021年浙江6月卷阅读七选五讲述了葡萄牙工程师创建社交网站，让人们能够在网上分享和交换明信片的故事。 04 03 02 学案（一）背诵案——必背知识清单 01 目录/CONTENTS 05 学案（二）默写案——基础知识默写 学案（三）讲练案——核心知识整合 学案（四）写作案——应用文、读后续写双写培优 学案（五）主题练案——学科素养培优 学案【一】 背诵案——必背知识清单 学案【二】 默写案（九）——基础知识默写 学案【三】 讲练案——核心知识整合 convenient 1 adj.方便的；近便的；便利的→convenience n．[U]便利；方便[C]便利设施→inconvenience n．不便 at your earliest convenience If it is convenient for you the unexpected change won't cause you much inconvenience benefit 2 n．益处；利益；好处 vt.使受益 vi.得益于→beneficial adj.有利的；有益的；受益的 your professional and rich knowledge of English will benefit the students greatly your professional and rich knowledge of English will be greatly beneficial to the students the students will benefit from your professional and rich knowledge of English greatly access 3 n．通道；(使用、查阅、接近或面见的)机会 vt.进入；使用；获取→accessible adj.可接近的；可进入的；可使用的；易懂的；随和的 to find it easy and convenient to have access to is accessible to us students get easy access to account 4 n．账户；描述；账目；说明 vt.认为；说明 take into account gave the Bernard's family a full account of if you could take my application into account/take account of my application case 5 n．盒；箱；情况；案件；病例 in case in case of As is often the case In no case should we do go through 6 经历；度过；通读；仔细检查；完成；用完；通过 encouraged the boys to go through their toys the global temperature is going up In no case can we go against keep (...) in mind 7 牢记 made up my mind to study harder have determined to persuade him to change his mind bear/keep in mind 句型公式： 8 so...that...引导结果状语从句 句型公式： 8 so...that...引导结果状语从句 such a role model that Such a role model is Fan Zhongyan that so proud that I shared housework with my parents So proud was I that I shared housework with my parents 句型公式： 9 the＋比较级…，the＋比较级… the sooner you will adapt to the new environment the more likely we were to succeed the more frightened she felt which convenience beneficial accessible for through B A C E D B D A C E F vt.证实 adj.针对性的 n.最新消息 vt.打翻 学案【四】 写作案—— 应用文、读后续写双写培优 I have received your letter asking me for advice. From your letter，I have learned that with an important examination to take you are so anxious that you can't fall asleep until late into the night. What you should keep in mind is that the more anxious you are，the worse your performance will be. In order to get rid of anxiety，you'd better keep a balance between relaxation and study. You can take more after­class activities，which will be of great benefit to you. I do hope you can take my tips into account if it is convenient for you. If I hadn't quarreled with Tom, I wouldn't be trapped in this awful place, confronted with the danger of death. Had I not quarreled with Tom, I wouldn't be trapped in this awful place, confronted with the danger of death． If it had not been for Mr.Rowe's patience and encouragement, Steve wouldn't have achieved his dream at last. Had it not been for Mr.Rowe's patience and encouragement, Steve wouldn't have achieved his dream at last. 学案【五】 主题练案（九）——学科素养培优 word练习 单独成册 一、单元词汇裂变(同义＋反义＋派生＋联想＋语境) 阅读单词 1．province　 　n．省 2．resident n．居民；(美国的)住院医生 adj.(在某地)居住的 3．battery n．电池 4．charity n．慈善；慈善机构(或组织) 5．identity n．身份；个性(助记：identity card身份证) 6．database n．数据库；资料库(助记：data n．数据) 7．software n．软件(对比：hardware n．硬件) 8．file n．文件；文件夹；档案[比较：document n．文件； (计算机)文档 v．记录] 9．guideline n．准则；指导原则(助记：guide＋line) 10．engine n．引擎；发动机；火车头(助记：音译词) 11．cash n．现金；金钱(对比：check n．支票) 12．conference n．会议；研讨会；正式会谈(助记：press conference 新闻发布会) 多义单词 1．stream 　 常见义：n.小河；溪流→生僻义：vi.流动 vt.流播；流出 2．plus 常见义：prep.加；另加→生僻义：n.加号；优势 conj.而且； 此外 3．function 常见义：n.功能；作用；机能→生僻义：vi.起作用；正常工 作；运转 4．update ①vt.更新　②vt.向……提供最新信息　③n.更新；最新消息 5．account ①n.账户；账目　②n.描述；说明　③vt.认为；说明 6．upset ①adj.心烦的；苦恼的；沮丧的②vt.使烦恼；使生气③vt.搅乱； 打翻 7．tip ①n.忠告；诀窍；实用的提示②n.小费③vt.付小费；轻触(使) 倾斜 8．case ①n.盒；箱　②n.情况　③n.案件　④n.病例 核心单词 1．a tough childhood　　　　 艰苦的童年 2．write a blog post 写一篇博文 3．be stuck in the mud 被困在泥里 4．surf the Internet 浏览因特网 5．chat online 网上聊天 6．confirm some information 确认一些信息 7．press the button 按按钮 8．click this link 点击此链接 9．false information 虚假信息 拓展单词 1．convenient adj.方便的；近便的→convenience n．便利；方便→(反)inconvenience n．不便；麻烦 2．benefit n．益处 vt.使受益 vi.得益于→beneficial adj.有利的；有益的；受益的 3．distant adj.遥远的；远处的；疏远的→distance n．距离→distantly adv.远离地；疏远地 4．inspire vt.鼓舞；激励；启发思考→inspiring adj.鼓舞人心的；使人振奋的→inspired adj.受启发的；受鼓舞的→inspiration n．灵感；启发 5．access n．通道；(使用、查阅、接近或面见的)机会 vt.进入；使用；获取→accessible adj.可接近的；可进入的；可使用的；易懂的；随和的 6．account n．账户；描述→accountant n．会计员；会计师 7．private adj.私人的；秘密的→privacy n．隐私；私密→privately adv.私下地　　　 拓展单词 8．theft n．偷(窃)；盗窃罪→thief n．小偷 9．rude adj.粗鲁的；无礼的→rudely adv.粗鲁地→rudeness n．粗鲁，粗暴 10．target n．目标；对象；靶子 vt.把……作为攻击目标→targeted adj.有针对性的 11．false adj.假的；错误的→fault n．缺点；过错→faulty adj.有故障的，有缺陷的 12．embarrass vt.使难堪(尴尬)→embarrassing adj.让人难堪(尴尬；害羞)的→embarrassed adj.感到难堪(尴尬)的→embarrassment n．尴尬 13．familiar adj.熟悉；熟知→unfamiliar adj.不熟悉的→familiarity n．熟悉；通晓 14．define vt.给……下定义；界定；解释→definition n．定义，释义　　　 重点短语 1．blog post　　　　　 博文；博客帖子 2．search engine (互联网上的)搜索引擎 3．identity card 身份证 4．look up information 查阅信息 5．keep sb company 陪伴某人 6．apply for 申请 7．now that 既然；由于 8．keep track of 掌握……的最新消息；了解……的动态 9．in shape 状况良好(反义：out of shape 身体不好，不 健康) 10．make fun of 取笑；戏弄(近义：play a trick on) 11．keep (...) in mind 牢记[同义：bear (...) in mind] 12．go through ①度过　②经历　③通读 二、单元佳句过关(自我检测，遮挡背诵) 1.There are countless articles telling us how the Internet has made our lives more convenient. (分词短语作定语) 2.We can download software，documents，and images whenever we need them.(whenever引导让步状语从句) 3.At age 50，she found herself out of work and stuck at home with only her computer to keep her company.(find＋宾语＋宾补；with复合结构) 4.However，the more polite you are，the less likely it is you will be attacked.(the＋比较级…，the＋比较级…) [遮住左栏尝试背诵] 1．讲述互联网如何使我们的生活变得更加方便的文章数不胜数。 2．我们可以在任何需要的时候下载软件、文件和图片。 3.50岁时，她发觉自己失业了，困在家里，只有电脑相伴。 4.但是，你越有礼貌，你被攻击的可能性就越小。 三、单元词汇融会贯通(背美文，记单词) How to stay safe online and avoid unpleasant experiences on the Internet? Have you had any unpleasant experiences online, or have you ever felt very upset because of having been made fun of online? [遮住左栏，忆加黑词汇] 如何确保安全上网，避免在 互联网上遇到不愉快？ 你在网上有过不愉快的经历吗？或者你曾经因为在被网上取笑而感到非常沮丧吗？ First of all, don't post comments or click on anything if you see or read something that makes you feel uncomfortable. Second, protect your privacy because identity theft is a common and serious problem. Third, be polite and avoid being rude, and you will not become a target for a troll or cyberbully. A troll often uses several false names so that he can stay on a site. A cyberbully will write something mean but it is usually directed at particular people. He may also post embarrassing photos and information about those people. However, the more polite you are, the less likely it is you will be attacked. 首先，如果你看到或读到一些让你反感的内容，不要发表评论或点击任何东西。第二，保护你的隐私，因为身份盗窃是一个普遍而严重的问题。第三，礼貌而不粗鲁，这样你就不会成为网络挑事者或网络恶霸的目标。网络挑事者经常使用几个假名，这样他就可以长期待在一个网站上。网络恶霸会写一些恶意的东西，但通常是针对特定的人。网络恶霸也可能在网上发一些让这些人感到尴尬的照片和信息。然而，你越有礼貌，你被攻击的可能性就越小。 ·It is convenient for sb to do sth某人方便做某事 ·at one's convenience在某人方便的时候 for convenience为了方便起见 【积累】 ·bring convenience to our daily life 给我们的日常生活带来便利 ·for the sake of convenience为了方便起见 ·I would appreciate it if you could approve my application and inform me of the interview at your earliest convenience.(申请信) 如果您能批准我的申请，并在您方便时尽早通知我面试的情况，我将不胜感激。 【练习】　写作迁移 (1)如果您能尽早回复我将不胜感激。(2023·新高考Ⅰ卷) I would appreciate it if you could reply ． (2)如果你方便，为了给你提供更多的细节，我可以下周二去你的办公室吗？ , may I pay you a visit at your office next Tuesday to give you more details? (3)一旦事情得到确认，我会告诉你。我希望这个意外的变化不会给你带来多少不便。(道歉信) I will let you know once it is confirmed.I hope ． ·for the benefit of sb＝for one's benefit 为了某人的利益 ·benefit sb/sth使某人/某物受益 benefit from/by...从……中受益 ·be beneficial to...＝be of benefit to...对……有益；对……有利 【积累】 ·for the benefit of all its citizens为了所有公民的利益 ·be beneficial to improving their spoken English 有利于提高他们的英语口语水平 ·I firmly hold the belief that it is of great benefit for you to learn Chinese culture.I'm looking forward to your coming.(建议信) 我确信这对于你了解中国文化是很有益的。我期待你的到来。 【练习】　写作迁移 毫无疑问，你专业而又丰富的英语知识将使学生们受益匪浅。(邀请信，2022·新高考Ⅰ卷) ①There is no doubt that ．(benefit vt.) ②Undoubtedly, ．(beneficial) ③It goes without saying that ．(benefit vi.) ·have/get/obtain/gain access to拥有……的机会；可以接近/进入 ·be accessible to可接近的；可靠近的；可使用的 【积累】 ·gain access to the best Chinese culture接触到最好的中国文化 ·We can access/get access to whatever we desire to learn on the Internet and thus，online learning benefits us greatly.(2021·全国乙卷书面表达) 我们可以在网上得到我们想学习的任何东西，因此在线学习让我们受益颇多。 【点拨】　access前通常不加冠词，且access和accessible短语中的to是介词。 【练习】　单句填空/写作迁移 (1)As cities balloon with growth, access nature for people living in urban areas is becoming harder to find．(2023·新高考Ⅱ卷) (2)生活在一个信息时代，我们发现获得各种英语学习资源非常方便。(2022·全国乙卷) Living in an information era，we various English learning resources. (3)我校体育馆对我们学生开放，我们锻炼时能很方便地使用。(告知信) Our school stadium ，and we can it when taking exercise. ·account for解释；说明；是……的说明(或原因)；(数量上、比例上)占 ·on account of由于，因为 on no account决不(置于句首时，句子用部分倒装) take account of (＝take...into account/consideration)考虑到……，把……考虑进去 give an account of...叙述/描述…… 【积累】 I do hope you can take my application into account/consideration if it is convenient for you.(申请信) 如果你方便的话，我确实希望你能考虑我的申请。 【练习】　写作迁移 (1)In a word, it's my sincere hope that you can consider what I've stated above.(2023·新高考Ⅰ卷应用文写作) →To sum up, it's my sincere hope that you can what I've stated above ．(词汇升级) (2)约翰向伯纳德一家详细说明了他卖爆米花的计划。(2020·新高考Ⅰ卷) John his plan of selling popcorn. (3)如果您能考虑我的申请，我将不胜感激。(申请信) I would be very grateful ． in case以防(万一) in case of万一……，如果发生…… in any case无论如何；总之 in this/that case 假使这样/那样的话 in no case决不(置于句首时，句子用部分倒装) as is often the case这是常有的事 【积累】 ·a severe case of flu一个严重的流感病例 ·in case of emergencies 在紧急情况下 ·In case of any further questions, feel free to contact me anytime.(2023·新高考Ⅰ卷应用文写作) 如有任何进一步的问题，请随时与我联系。 【练习】　用case相关短语填空/写作迁移 (1)I explained to him that I just stood by him he fell down. (2)In addition，please pack a pair of comfortable shoes the city walk. (3) ，senior three students feel anxious and upset before important examinations. (4)We should in no case do anything that goes against the interests of people. → anything that goes against the interests of people.(部分倒装) go against违背；违反 go by逝去；过去 go on继续；进行；发生 go out出去；熄灯 go over复习；仔细检查 go up上涨；上升；攀登 【积累】 I would be grateful if you could take some time to go through my application letter and make necessary changes.(求助信) 如果您能花些时间审阅我的申请信并做一些必要的修改，我将不胜感激。 【练习】　写作迁移 (1)当我整理我们的衣服时，我鼓励男孩们检查一下他们的玩具，捐赠一些他们不太喜欢的东西。 While I sorted through our clothes, I and donate some of their less favorite things. (2)随着越来越多的温室气体被排放到大气中，全球气温正在上升。(环境问题) As more and more greenhouse gases are released to the atmosphere, ． (3)在任何情况下，我们都不能违背自然法则，否则我们将会受到无尽的痛苦。 the law of nature，or we'll meet endless suffering.(部分倒装) bear in mind 牢记，放在心上 change one's mind 改变主意 make up one's mind 下定决心；决定 cross/come to one's mind 某人想到 put one's mind to 全神贯注于；专心致志于 【积累】 Please keep in mind that rebuilding our green and clean earth has a lot to do with everyone's efforts and contributions.(环境保护) 请记住，重建我们绿色、清洁的地球与每个人的努力和贡献息息相关。 【练习】　写作迁移 (1)我下定决心更加努力学习而不是把宝贵的时间浪费在那些无用的事情上。 I rather than waste my precious time on something useless. (2)虽然他很固执，但我决心说服他改变主意。 Stubborn though he is, I ． (3)First of all, remember that you had better arrive a little earlier than the appointed time. →First of all, that you had better arrive a little earlier than the appointed time.(词汇升级) (教材原句)She was so inspired by the people she met online that she decided to start an IT club to teach older people how to use computers and the Internet. 她受到网友的启发，决定成立一个IT俱乐部来教年长一些的人们学习使用电脑和互联网。 ·so...that...句型的常见形式： so+形容词/副词+that… so+形容词+a(n)+单数可数名词+that… so+many/few/much/little(少)/…+名词+that… ·such...that...句型的常见形式： such+a(n)+形容词+单数可数名词+that… such+形容词+复数可数名词/不可数名词+that… ·当so/such及其后成分放在句首时，主句用部分倒装。 【积累】 ·I was so ashamed that I felt as if a knife were piercing my heart，tears clouding my eyes. ＝So ashamed was I that I felt as if a knife were piercing my heart，tears clouding my eyes. 我是如此羞愧，以至于我感觉心如刀绞，眼泪模糊了我的双眼。(羞愧心理描写) 【练习】　写作迁移 (1)范仲淹是一个榜样，他总是鼓励我成为一个品格高尚的人。(2023·全国甲卷书面表达) ①Fan Zhongyan is he always encourages me to be a man of noble character. ② he always encourages me to be a man of noble character.(部分倒装) (2)我感到很自豪，我和父母分担家务，这也表明我长大了。(2023·全国乙卷书面表达) ①I was ，which also showed I had grown up. ② ，which also showed I had grown up.(部分倒装) (教材原句)However，the more polite you are，the less likely it is you will be attacked. 但是，你越有礼貌，你被攻击的可能性就越小。 ·the＋比较级…，the＋比较级…越……，就越…… ·the more...，the less...越……，越不…… ·the more...，the better...……越多，……就越好 ·形容词/副词比较级＋and＋形容词/副词比较级 【积累】 The more time I spent participating in this picking activity, the more I was aware of the significance of work.(活动介绍，2020·全国Ⅱ卷) 我参加采摘活动的时间越长，我就越能意识到工作的重要性。 【练习】　写作迁移 (1)在我看来，你参加的课外活动越多，你就能越快适应新环境。(建议信) As far as I'm concerned，the more you take part in after­class activities， ． (2)是我们的老师提醒我们：我们越自信，就越有可能成功。(主旨升华) It was our teacher who reminded us that the more confident we were， ． (3)她越想这件事就越感到害怕，手心在冒汗，心跳得厉害。(恐惧心理描写) The more she thought about it， ，her palms sweating and her heart pounding wildly. 题组一　单句语法填空 1．I recommend that you put three or four students together，with one as the group leader，in case we can communicate with each other at great depth.(2023·新高考Ⅰ卷应用文写作) 2．Wi­Fi brings (convenient) to our daily life，enabling us to easily chat online，stream videos and gain updated information. 3．Sharing housework is (benefit)，which relieves our parents of housework burden and gives us mental relaxation from study.(倡议书) 4．He usually puts the medicine in the top drawer to make sure it will not be (access) to the kids. 5．All this also accounts why I choose Xiamen University，where I can major in Environmental Engineering. 6．I'd be very grateful if you could take some time to go my resume and make necessary changes. 题组二　多义词汇辨析 1．根据语境选出tip的词性及含义 A．n.小费　B．n.技巧；提示　C．n.尖端　D．vt.付小费　E．vt.(使)倾斜 ①Welcome to Star Fitness Club.I'm Tina Harrison.Before you start，I'd like to offer you some tips.(2023·浙江1月卷听力) ②After I had my hair cut, I gave the hairdresser a tip. ③Sorry, your name is just on the tip of my tongue. ④The wind blew and the plant began to shake, tipping the leaf. ⑤She tipped the waiter two dollars for his excellent service. 2．根据语境选出account/account for的对应含义 A．n.账户，账目　B．n.描述　C．是……的原因　D．解释，说明　E．vt.认为　F．(数量上、比例上)占 ①Several eyewitnesses' accounts differed considerably from the official version of events. ②How do you account for the show's success？ ③Hi，I'm calling for information on opening a savings account.(2022·浙江1月卷) ④The poor weather may have accounted for the small crowd. ⑤In English law a person is accounted innocent until he or she is proved guilty. ⑥Those who visit English­learning websites account for 12%.(语言学习，2022·全国乙卷) 3．猜测句中加黑词汇的词性及含义 ①Analyses of a language database also confirmed that there was a global change in the sound of world languages after the Neolithic age.(2022·新高考Ⅰ卷) ②Armed with this knowledge, they're able to carry out individually targeted campaigns to cheat people. ③Through the years，I'd run into former students who would provide updates on old classmates. ④He stood up suddenly，upsetting a cup of coffee. (一)应用文写作 [回复求助信——考前焦虑] 假定你是李华，你的英国笔友Tom写信提到他要参加一项考试，但是很紧张。请你给他写封回信，提出相应的建议。内容包括： 1．表示理解； 2．避免紧张的建议。 注意：写作词数应为80左右。 1．利用本单元所学知识翻译句子 ①我已经收到了你向我寻求建议的来信。(分词短语作定语) ②通过你的信我得知，因为有一场重要的考试要参加，你是如此紧张，以至于你直到深夜才能睡着。(with复合结构) ③你要记住的是，你越是焦虑，你的表现就会越差。(主语从句) ④为了摆脱焦虑，你最好在放松和学习之间保持平衡。 ⑤你可以多参加课外活动，课外活动会对你非常有好处。 ⑥如果你方便的话，我确实希望你能考虑我的建议。 2．使用恰当的过渡衔接词汇连句成篇 I have received your letter asking me for advice.From your letter，I have learned that with an important examination to take you are so anxious that you can't fall asleep until late into the night.From my point of view，what you should keep in mind is that the more anxious you are，the worse your performance will be.Therefore，in order to get rid of anxiety，you'd better keep a balance between relaxation and study.Besides，you can take more after­class activities，which will be of great benefit to you. I do hope you can take my tips into account if it is convenient for you. (二)读后续写 [精彩句式9——虚拟语气(Ⅰ)] 虚拟语气是英语中常用的表达方式，以其表达的委婉性和语用功能的丰富性在交际活动中发挥了非常重要的作用。恰当地使用它，可以起到较好的修辞效果。虚拟语气的形式多种多样，在写作特别是读后续写所提供的语境中，虚拟语气能够表达其他任何语气所无法取代的丰富的感情色彩。 句型公式： “If sb had done..., sb would have done”或者“Had sb done..., sb would have done”如果某人过去……， 某人就…… [佳句背诵] If I hadn't attended the contest and insisted on writing a good article, I wouldn't have won the gold medal！(2023·新高考Ⅰ卷) ＝Had I not attended the contest and insisted on writing a good article, I wouldn't have won the gold medal! 如果我没有参加比赛，没有坚持要写一篇好文章，我就不会赢得金牌了！ [佳句仿写] 1．如果我没有和汤姆吵过架，我就不会被困在这个可怕的地方，面临死亡的危险。 ① (if从句) ② (倒装) 2．如果不是因为罗先生的耐心和鼓励，史蒂夫最终就不会实现他的梦想了。 ① (if从句) ② (倒装) $$ 限时：15分钟　满分：100分　得分：________ Ⅰ.默写单词(每空2分，满分30分) 1．identity　 　 n．身份；个性 2．resident n．居民；(美国的)住院医生 adj.(在某地)居住的 3．button n．按钮；纽扣 4．particular adj.特定的；特别的；讲究的 5．guideline n．准则；指导原则 6．chat vi.聊天；闲聊 7．update vt.更新；向……提供最新信息 n．更新；最新消息 8．target n．目标；对象；靶子 vt.把……作为攻击目标 9．charity n．慈善；慈善机构(或组织) 10．tough adj.艰难的；严厉的 11．conference n．会议；研讨会；正式会谈 12．discount n．折扣 vt.打折 13．function n．功能；作用；机能 vi.起作用；正常工作；运转 14．confirm vt.确认；使确信 15．click vt.& vi.点击 Ⅱ.默写短语(每空3分，满分30分) 1．make fun of　 　　　 取笑；戏弄 2．keep(...)in mind 牢记 3．identity card 身份证 4．look up information 查阅信息 5．keep sb company 陪伴某人 6．apply for 申请 7．now that 既然；由于 8．go through 度过；经历；通读 9．in shape 状况良好 10．keep track of 掌握……的最新消息；了解……的动态 Ⅲ.词形变化填空(每空2分，满分24分) 1．Hearing his inspiring speech, we were inspired to make great efforts.It gave us not only hope but also inspiration．(inspire) 2．The girl felt embarrassed when seeing the embarrassing pictures.She turned away with embarrassment．(embarrass) 3．I'm sorry for the inconvenience caused by my mistakes.Is it convenient for you to come on Thursday？If not，you can come at your convenience．(convenient) 4．The club is beneficial to those who want to learn Chinese.Join it，and you will benefit a lot from it.(benefit) 5．Parents should respect their children's privacy instead of reading their private letters privately．(privacy) 6．I have difficulty defining the difficult word，so could you please tell me your definition？(define) Ⅳ.默写佳句(第1、2题每小题5分，第3题6分，满分16分) 温馨提示：用衡水体认真书写 1．讲述互联网如何使我们的生活变得更加方便的文章数不胜数。(分词短语作定语) There are countless articles telling us how the Internet has made our lives more convenient. 2．我们可以在任何需要的时候下载软件、文件和图片。(whenever引导让步状语从句) We can download software，documents，and images whenever we need them. 3．50岁时，她发觉自己失业了，困在家里，只有电脑相伴。(find＋宾语＋宾补；with复合结构) At age 50，she found herself out of work and stuck at home with only her computer to keep her company. 学科网（北京）股份有限公司 $$