人教版高一英语必修二Unit3词汇

Unit 3 The Internet1. convenient adj.方便的，便利的convenience n.方便，便利；便利设施inconvenient adj.不方便的，不便利的inconvenience n.不便，麻烦It is convenient for somebody to do sth 对于某人来说去做某事很方便at one’s convenience 某人方便时at your earliest convenience （书信用语）尽快，尽早例：（1）Safety is also a very important factor apart from comfort and convenience.（2）I want to know whether it is convenient for you to pick me up at the airport.（3）Sorry about the inconvenience we have made.（4）I would appreciate it if you could reply at your earliest convenience.2. stuck adj.卡住的，无法移动的；陷入，困于...be stuck in ... 被卡在...；被困在...（= be trapped in ... = be caught in ...）例：（1）My left foot was stuck in the tree.（2）She found herself stuck at home with only her computer to keep her company.（3）They got stuck in a traffic jam. That’s why they missed the gathering.3. benefit n.益处，好处v.使受益；得益于beneficial adj.有益的，有好处的；受益的benefit from ... 从...中受益for the benefit of sb = for one’s benefit 为了某人的利益be beneficial to ... = be of (great) benefit to ... 对...有益例：（1）This APP which can help us get in shape is beneficial to our daily life.（2）Surely we can benefit a lot from reading English novels.（3）The rain will benefit the crops greatly.（4）You must spend some time going through your resume for your benefit.4. distance n.距离，间距；远处，远方；冷淡，疏远distant adj.遥远的，远处的；（关系）冷淡的in the distance 在远处keep one’s distance 保持距离within walking distance 走路就能到at a distance of ... 在...远的地方例：（1）I noticed a woman waving to me in the distance.（2）The temple lies at a distance of 2 kilometers. In other words, it is within walking distance.（3）The coldness and distance in her voice surprised me a lot.5. inspire v.鼓舞，激励；启发，启迪，给...灵感inspiration n.灵感inspired adj.备受鼓舞的inspiring adj.鼓舞人心的，启发灵感的inspire sb to do sth 鼓舞某人去做某事（= encourage sb to do sth）例：（1）Beautiful photos serve as an excellent source of inspiration for designers.（2）Both my parents and teachers always inspire me to struggle for my bright future.（3）It’s a pity that you have missed the inspiring speech. We all feel inspired now.（4）The piece of music was inspired by dolphin sounds.6. access n.通道，（使用、查阅、接近...的）权利或机会v.进入，使用，获取accessible adj.可接近的，可使用的，可进入的have access to ... 可使用...，有使用/接近...的机会have no access to ... 得不到，没有使用/接近...的机会例：（1）You will have access to the Internet as long as you have a smartphone.（2）Now that you haven’t applied for an account, the website is not accessible to you.（3）Across the world, one billion people have no access to clean drinking water.7. account n.账目；账户v.解释，说明（= explain）accountant n.会计师account for ... 说明，做出解释；占...（比例）take ... into account 把...考虑在内（take ... into consideration）on no account 绝不（置于句首时句子要部分倒装）on account of 因为，由于（= because of）a bank account 银行账户the WeChat public account 微信公众号例：（1）Could you account for your rude behavior that night?（2）I would be very grateful if you could take my application into account.（3）On no account will I give up until I achieve my goal.（4）More than 70 households are engaged in making this traditional musical instrument, accounting for one tenth of the total.（5）Body language accounts for 55 percent of a first impression while what you say just 7 percent.（6）She was absent from school on account of illness.8. particular adj.特定的；特别的；讲究的，挑剔的in particular 特别，尤其（= especially）be particular about/over ... 对...讲究，对...挑剔例：（1）The giant panda eats only one particular type of bamboo.（2）I have stayed in quite many hotels on my journey, but I am fond of this one in particular.（3）It is embarrassing that some people attending the conference are particular about food and accommodation.9. familiar adj.熟悉的，熟知的，常见的be familiar with ... 对...熟悉be familiar to ... 被...熟知对比：be similar to ... 与...相似例：（1）I couldn’t recognize him though I was familiar with both his appearance and voice.（2）I use Christmas as an example because it is familiar to most readers.（3）I cannot tell the twins apart because they are quite similar to each other.10. go through 穿过；经历；仔细检查，通读例：（1）It took them a whole day to go through the forest.（2）Make / Bear in mind that you had better not make any comments if you haven’t gone through these things.（3）I would be very grateful if you could spend some time going through my resume and make necessary changes.11. tough adj.（物）结实的，坚固的；（人）强壮的，坚强的；（食物等）难切开的，嚼不烂的；（人）强硬的，严厉的；（生活工作等）艰苦的，艰难的例：（1）The rope is tough enough to support your weight.（2）The meat is too tough! It's hard to chew!（3）Don’t be too tough with him -- he is only a child.（4）When you go through tough times, you’ll meet others who are facing similar challenges.。

词汇表必修二Unit31. blog n. 博客vt.写博客2. blog post博文;博客帖子3. blogger n. 博客作者;博主4. engine n. 引撃;发动机;火车头5. search engine(互联网上的)搜索引擎6. chat vi. 聊天;闲聊7. stream vt. 流播(不用下载直接在互联网上播放音视频);流出vi.流动n.小河;溪流8. identity n. 身份;个性9. identity card身份证10. convenient adj. 方便的;近便的11. cash n. 现金;金钱12. update vi. 更新;向…提供最新信息n.更新;最新消息13. database n. 数据库;资料库14. software n. 软件15. network n. (互联)网络;网状系统;人际网vt将…连接成网络;联播vi.建立工作关系16. stuck adj 卡住;陷(入);因(于)17. keep sb company陪伴某人18. surf vt.＆vi.浏览;冲浪19. benefit n. 益处vt.使受益vi得益于20. distance n. 距离21. inspire vt. 鼓舞;激励;启发思考22. now that既然;由于23. access n. 通道;(使用、查阅、接近或面见的)机会vt.进入;使用;获取24. charity n. 慈善;慈善机构(或组织25. go through经历;度过;通读26. tough adj. 艰难的;严厉27. province n. 省28. conference n. 会议;研讨会;正式会谈29. resident n. 居民;(美国的)住院医生adj.(在某地)居住的30. plus conj. 而且;此外n.加号;优势prep.加;另加31. function n. 功能;作用;机能vi.起作用;正常工作;运转32. battery n. 电池33. confirm vt. 确认;使确信34. Wi-Fi n. 无线保真(用无线电波而非网线在计算机网络传输数据的系统)35. press vt. 按，压;散促36. button n. 按钮;纽扣37. file n. 文件;文件夹;档案38. in shape状况良好39. keep track of掌握…的最新消息;了解…的动态40. discount n. 折扣vt.打折41. account n. 账户;描述42. click vt.＆vi.点击43. privacy n. 隐私;私密44. theft n. 偷(窃);盗窃罪45. rude adj. 粗鲁的;无礼的46. target n. 目标;对象;靶子vt.把…作为攻击目标47. troll n. 发挑衅帖子的人;恶意挑衅的帖子48. cyberbully n. 网霸vt.＆vi.网络欺凌49. false adj. 假的;错误的50. particular adj. 特定的;特别的;讲究的51. embarrassing adj. 让人难堪(尴尬;害羞)的52. make fun of取笑;戏弄53. upset adj. 心烦的;苦憶的;沮丧的vt.( upset，upset)使烦恼;使生气;搅乱54. guideline n. 准则;指导原则55. author n. 作者;作家56. tip n. 忠告;诀窍;实用的提示57. familiar adj. 熟悉;熟知58. keep(... ) in mind牢记59. define vt. 给…下定义;界定;解释60. case n. 盒;箱;情况;案件61. the World Wide Web abbr WWW万维网;环球信息网62. Jan Tchaman 简・夏曼尼63. Birmingham 伯明翰(英国域市)。

必修二Unit3 必背单词和词块一、背单词与词块(背诵时遮住右侧汉语，先自主翻译，后比对词义)1．identity n．身份；个性2．cash n. 现金；金钱3．update vt. 更新；向……提供最新信息n. 更新；最新消息4．database n. 数据库；资料库5．province n. 省6．conference n. 会议；研讨会；正式会谈7．resident n. 居民；(美国的)住院医生adj. (在某地)居住的8．privacy n. 隐私；私密9．guideline n. 准则；指导原则10．define vt. 给……下定义；界定；解释(二)背重点单词——写对才行1．chat vi. 聊天；闲聊2．stuck adj. 卡住；陷(入)；困(于)3．surf vt. &vi. 浏览；冲浪4．charity n. 慈善；慈善机构(或组织)5．tough adj. 艰难的；严厉的6．function n. 功能；作用；机能vi. 起作用；正常工作；运转7．confirm vt. 确认；使确信8．press vt. 按，压；敦促9．discount n. 折扣vt. 打折10．account n. 账户；描述11．rude adj. 粗鲁的；无礼的12．target n. 目标；对象；靶子vt. 把……作为攻击目标13．false adj. 假的；错误的14．upset adj. 心烦的；苦恼的；沮丧的vt. 使烦恼；使生气；搅乱15．author n. 作者；作家16．tip n. 忠告；诀窍；实用的提示17．familiar adj. 熟悉；熟知18．case n. 盒；箱；情况；案件(三)背拓展单词——用准才行1．convenient adj.方便的；近便的→convenience n．便利；方便2．benefit n．益处vt. 使受益vi. 得益于→beneficial adj.有益的；有帮助的3．distant adj.遥远的；远处的→distance n．距离4．inspire vt. 鼓舞；激励；启发思考→inspired adj.受到启发的→inspiring adj.鼓舞人心的→inspiration n．灵感；激励5．access vt. 进入；使用；获取n.通道；(使用、查阅、接近或面见的)机会；权利→accessible adj.可到达的；可接近的；可利用的6．particular adj.特定的；特别的；讲究的→particularly adv.特别地7．embarrass vt. 使尴尬；使难堪→embarrassing adj.让人难堪(尴尬；害羞)的→embarrassed adj.感到尴尬的；难堪的[语境活用]1．When I heard the sound of the motorboat fade away in the distance (distant), I felt heartbroken.2．It's very convenient for me to go shopping. There is a convenience store near my home. (convenient)3．My most embarrassing moment was trying to introduce a woman whose name I couldn't remember and it also made the woman embarrassed. (embarrass)4．Listening to his inspiring speech, we were inspired to make great efforts. It gave us not only hope butalso inspiration. (inspire)5．Free Internet access at home is a huge step in making online education accessible to everybody. (access) 6．Everyone knows the benefit of learning English and if you learn it well, it will be beneficial to your future career.It is reported that many graduates have benefited from having a good command of English. (benefit)(四)背高频单词——先“记牢”再“用活”，不背绝对不行1．convenient adj.方便的；近便的2．benefit n．益处vt.使受益vi.得益于3．access n．通道；(使用、查阅、接近或面见的)机会vt.进入；使用；获取4．account n．账户；描述；理由vi.&vt.认为；说明6．case n．盒；箱；情况；案件(五)背短语词块——表达出彩，需多积词块才行Ⅰ单元短语再认再现1．match ...with...与……匹配2．catch the attention of 吸引……的注意3．out of work 失业4．keep sb. company 陪伴某人5．apply for 申请6．now that 既然；由于7．go through 经历；度过；通读8．in shape 状况良好9．keep track of 掌握……的最新消息；了解……的动态10．make fun of 取笑；戏弄11．keep (...) in mind 牢记Ⅱ重点短语拓展用活1．go through经历；度过；通读；经受；仔细检查；完成；通过2．make fun of取笑；戏弄；拿……开玩笑3．keep( ...)in mind牢记(六)背主题写作——好习作就靠“仿效”和“背诵”你校将举办英语演讲比赛。

Unit 3 Computers 单元要点预览Ⅰ词语辨析Ⅱ词性变化Ⅲ重点词汇1. sum n. 金额; 款项; 总数; 总和[典例]1). He was fined the sum of 200. 他被处以200英镑罚金。

2). The sum of 5 and 3 is 8. 5加3的和是8。

[重点用法]in sum简言之; 总而言之sum sb/sth up形成对某人[某事物]的看法[练习] 中译英1). 总之, 计划告吹了。

______________________________________________________________________ 2). 我认为她是个很能干的经理。

______________________________________________________________________2. advantage n.优点；优势；有利条件[典例]1). He has the advantage of a steady job. 他有工作稳定的有利条件。

2). They took full advantage of the hotel's facilities. 他们充分利用旅馆的设备。

[重点用法]take advantage of 对……加以利用；欺骗to sb.’s advantage 对某人有利have /get/win an advantage over 〔of〕胜过；优于[练习] 中译英1).协议对我们有利。

______________________________________________________________________ 2).她利用了我的慷慨。

______________________________________________________________________3. goal n. 球门；进球得的分；目标[典例]1). He headed the ball into an open goal. 他乘虚把球顶入球门2). We won by three goals to one 以三比一获胜。

人教版高一英语必修2单词表(第三单元)注：所有不带△符号蓝色的词汇均为课标词汇，其中红色带☆粗体部分为本单元重点词汇和短语；带△符号蓝色的词不要求掌握。

Unit 31 abacus n.算盘△2 calculator n.计算器△3 PC(=personal comPuter) 个人电脑，个人计算△4 laptop n.手提电脑△5 PDA(personal digital assistant) 掌上电脑个人数码助理△6 analytical adj.分析的△7 calculate vt.计算8 universal adj.普遍的;通用的;宇宙的9 simplify vt.简化10 sum n.总数;算术题;金额11 Charles Babbage 查尔斯。

巴比奇（英国数学教授）△12 operator n.（电脑）操作员；接线员13 logical adj.合逻辑的；合情理的14 logically adv.逻辑上；合逻辑地;有条理地15 technology n.工艺;科技;．技术16 technological adj.科技的17 revolution n.革命18 artificial adj.人造的;假的19 intelligence n.智力;聪明的；智能20 intelligent adj. 智能的;聪明的21 Alan Turing 艾伦。

图灵（英国数学家）△22 solve vt.解决;解答☆23 mathematical adj.数学的△24 from…on从……时起☆25 reality n.真实;事实;现实26 designer n.设计师△27 personal adj.私人的;个人的;亲自的28 personally adv.就个人而言;亲自29 tube n.管；管子；电子管30 transistor n.晶体管△31 chip n.碎片；芯片△32 as a result 结果☆33 total adj. 总的;整个的n. 总数;合计34 totally adv.完全地；整个地35 so…that…如此……以致于……☆36 network n.网络；网状物37 web n.网38 application n.应用;用途;申请39 finance n.金融；财经40 mobile adj.可移动的;机动的41 rocket n.火箭42 explore vt.&vi.探索;探侧;探究☆43 Mars n.火星△44 anyhow adv.（也作anyway ）无论如何;即使如此☆45 goal n.目标;目的；球门；（进球）得分☆46 happiness n.幸福；快乐47 human race 人类☆48 supporting adj. 支持的;支撑的△49 download vt.下载50 programmer n.程序员；程序师△51 virus n.病毒52 android n.机器人△53 signal vi.&vt.发信号n.信号☆54 teammate n.同伴；伙伴△55 Nagoya n.名古屋（日本港市）△56 Seattle n.西雅图（美国城市）△57 type n.类型vt.&vi.打字☆58 in a way 在某种程度上☆59 coach n.教练60 arise vi.出现；发生☆61 with the help of 在的帮助下62 electronic adj. 电子的☆63 appearance n. 外观;外貌；出现64 character n.性格;特点65 mop n.拖把vt.用拖把拖；擦66 deal with 处理；安排；对付☆67 watch over 看守;监视☆68 naughty adj.顽皮的;调皮的△69 niece n.侄女70 spoil vt. 损坏△。

必修二Unit 3 Computers1. In pairs discuss what they have in common. common adj. 共同的，普遍的；常见的常用结构：①in common共有，公用(在句中多作状语）② in common with 和……一样----In common with many young people, he prefers pop songs.③have nothing/little/a lot/something in common with sb.与某人没有/许多/有些共同之处---Jane and I have nothing in common.=I have nothing in common with Jane.④common sense/knowledge 常识⑤common welfare 公共福利辨析：common，ordinary，usual，general，normalcommon指因许多事物或许多人所共同具有而常见的意思。

ordinary指由于与一般事物性质和标准相同，因而显得平常，无奇特之处。

usual“通常的，惯常的”，含有“随集体风俗或个人习惯而常常发生”之意。

normal意为“正常的”，强调正常性。

2. Work out a list and compare it with your partner.compare...with/to...把。

和。

作比较--- Compare this with/to that, and you’ll find which is better.注意：（1）compare...to...还有“把。

比作。

”之意，不可用compare...with...替换。

Shakespeare compared the world to a stage.(2)过去分词短语compared with(与。

Unit 3 The Internet名词Noun1. blog post博文；博客帖子e.g.: What’s the main idea of the blog post?2. blogger博客作者；博主e.g.: I’m not an expert, but many years as a blogger have taught me a thing or two.3. engine引擎；发动机；火车头e.g.: I usually use a search engine to do my homework.4. search engine（互联网上的）搜索引擎e.g.: A search engine is a tool that helps you find what you’re looking for.5. identity身份；个性e.g.: I use a nonsense name for my net identity.6. identity card身份证e.g.: Someone has lost an identity card.7. cash现金；金钱e.g.: We no longer have to wait in line or carry cash around when we go shopping.8. database数据库；资料库e.g.: Has anyone made a comment about the online database?9. software软件e.g.: We can download software, documents, and images whenever we need them.10. distance距离e.g.: For short distance, both residents and tourists can use the public bike system.11. charity慈善；慈善机构（或组织）e.g.: Her next goal is to start a charity website to raise money for children in poor countries.12. province省e.g.: The Internet has brought great benefits to Wuzhen, a small waterside town in Zhejiang Province.13. conference会议；研讨会；正式会谈e.g.: For the past few years, Wuzhen has hosted the World Internet Conference (WIC), which makes life in this ancient town much more convenient.14. battery电池e.g.: I have downloaded the software to help my phone battery last longer.15. Wi-Fi无线保真（用无线电波而非网线在计算机网络传输数据的系统）e.g.: The UK company British Telecom has added screens and free Wi-Fi to some booths.16. button按钮；纽扣e.g.: This button advances the tape to the beginning of the next track.17. file文件；文件夹；档案e.g.: A stack of files awaited me on my desk.18. account账户；描述e.g.: She needs an app that will add money to her bank account.19 privacy隐私；私密e.g.: Second, protect your privacy.20. theft偷（窃）；盗窃罪e.g.: Identity theft is a common and serious problem.21. troll发挑衅帖子的人；恶意挑衅的帖子e.g.: A troll is a person who posts comments or questions in order to stir up trouble online.22. guideline准则；指导原则e.g.: What guidelines does the author provide for staying safe online?23. author作者e.g.: He is the author of three books on art.24. tip忠告；诀窍；实用的提示e.g.: Do you have any more tips for how to surf the Internet safely?25. case盒；箱；情况；案件e.g.: This case has two functions.动词Verb1. chat聊天；闲聊e.g.: I especially like to chat with my friends and family.2. surf浏览；冲浪e.g.: After a while, she discovered that surfing the Internet could help her feel less lonely and bored.3. inspire鼓舞；激励；启发思考e.g.: 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.4. confirm确认；使确信e.g.: Have you confirmed the Wi-Fi password?5. press按，压；敦促e.g.: Have you pressed the button yet to copy the file?6. click点击e.g.: Don’t post comments or click on anything.7. define给……下定义；界定；解释e.g.: Has the writer defined the new words?形容词Adjective1. convenient方便的；近便的e.g.: There are countless articles telling us how the Internet has made our lives more convenient.2. stuck卡住；陷（入）；困（于）e.g.: At age 50, she found herself out of work and stuck at home with only her computer to keep her company.3. tough艰难的；严厉的e.g.: It was a tough decision to make.4. rude粗鲁的；无礼的e.g.: Being online is no excuse for being rude.5. false假的；错误的e.g.: Trolls often use several false names so that they can stay on a site.6. particular特定的；特别的；讲究的e.g.: Like a troll, a cyberbully will also write something mean but it is usually directed at particular people.7. embarrassing让人难堪的（尴尬；害羞）的e.g.: He or she may also post embarrassing photos and information about those people.8. familiar熟悉；熟知e.g.: He’s a familiar figure in the neighborhood.兼类词Words with Multiple Part of Speech1. blog n.博客vi.写博客e.g.: I like basketball, so I write a lot on my blog about my favorite team.2. stream vt.流播（不用下载直接在互联网上播放音视频）；流出vi.流动n.小河；溪流e.g.: I listen to music, stream videos, or look up information.3. update vt.更新；向……提供最新信息n.更新；最新消息e.g.: We can get the most updated information from large database.4. network n.（互联）网络vt.将……连接成网络；联播vi. 建立工作关系e.g.: People’s lives have been changed by online communities and social networks.5. benefit n.益处vt.使受益vi. 得益于e.g.: She realized that one of the greatest benefits of the Internet was its ability to remove the distance that usually exists between people.6. access n.通道；（使用、查阅、接近或面见的）机会vt.进入；使用；获取e.g.: She believes that it is highly important to bridge the digital divide and make sure that everyone has access to the Internet and knows how to use new technology.7. resident n. 居民；（美国的）住院医生adj.（在某地）居住的e.g.: Residents here can surf online as easily as in large modern cities.8. plus conj.而且；此外n.加号；优势prep.加；另加e.g.: Plus they can download movies and music at high speeds.9. function n.功能vi.起作用；正常工作；运转e.g.: They’ve built a kind of new PC with more functions.10. discount n.折扣vt.打折e.g.: She needs an app that will help her get discounts.11. target n. 目标；对象；靶子vt.把……作为攻击目标e.g.: You don’t want to become a target for a troll or cyberbully.12. cyberbully n.网霸vt. & vi.网络欺凌e.g.: A cyberbully uses the Internet to be mean to others.13. upset adj.心烦的；苦恼的；沮丧的vt. (upset, upset) 使烦恼；使生气；搅乱e.g.: It seemed like a joke at first, but the girl was very upset.短语Expression1. keep sb company陪伴某人e.g.: I’ll keep you company while you’re waiting.2. now that既然；由于e.g.: Now that he works and can take care of himself, his daughter has time to study at university.3. go through经历；度过；通读e.g.: When you go through tough times, you meet others who are facing similar challenges.4. in shape状况良好e.g.: He is looking for an exercise app to help him get in shape.5. keep track of掌握……的最新消息；了解……动态e.g.: Both of his apps keep track of the steps he takes.6. make fun of取消；戏弄e.g.: A photo of her had been posted online and she was being made fun of.7. keep (…) in mind牢记e.g.: You must keep these points in mind while setting your goals.。

必修二Unit3课本内容复习一. 词汇变形1. calculate v. 计算-- calculation n.计算；推算-- calculator n. 计算器2. application n. 应用；用途；申请-- apply v. 应用；试用；申请-- applicant n.申请人3. explore v. 探索；探测-- exploration n. 探索-- explorer n. 探险者4. arise v.出现；发生产生--arose（过去式）--arisen （过去分式）5. intelligent adj. 聪明的；智能的-- intelligence n. 智力6. simple adj. 简单的；简朴的-- simplify v. 使简化-- simply adv. 仅仅；简直--simplicity n.简单7. solve v. 解决，处理-- solution n. 解决办法；答案8. real adj. 真正的；真实的-- realize v. 实现--reality n.现实；事实-- realization n. 实现；领悟9. explore v. 探索-- exploration n. 探索；探测-- explorer n. 探险者；勘探者；考察者10. person n. 人；个人-- personal adj. 个人的--personally adv. 就个人而言11. universal adj. 普遍的-- universe n.宇宙12. operate v. 操作-- operator n.操作员二. 重点短语1. have...in common 有相同的特征（或特点）have much/a lot/ something/little/nothing in common with...与.... 有许多/一些/很少/没有相同之处【拓展】in common with...与....相同in common 共有；公有common sense 常识2. calculate v. 计算【拓展】calculation n.【C, U】计算；预测calculator n.计算器3. solve v. 解决，处理；解答搭配：solve a problem 解决问题remain to be solved 有待解决【拓展】solution n. 解决办法；答案the solution to sth. ....的解决办法【课堂练习】单句语法填空1. By his _____________(calculate), it could save airlines hundreds of millions of dollars a year.2. It ____________(calculate) that more and more people will shop at home instead of going tothe shopping center.3. The team are working hard to analyze the problem so that they can find the best __________(solve).4. With all the problems ____________(solve), he would have nothing to worry about.5. There are still many problems _________ (solve) before we are ready for a long stay on the moon.6. The teacher classified the words and ___________(simple) their usage so as to make them more easily to be grasped by his students.1. calculation.2. is calculated.3. solution.4. solved.5. to be solved.6. simplified4. go by （时间）流逝，过去e.g.Things will get easier as time goes by. 随着时间的推移，情况会有所改善。

人教版新教材高一英语必修二知识点梳理Unit 3 The Internet1. convenient adj.便利的，方便的；近便的(1) It is convenient (for sb.) to do sth. (某人)做某事方便。

be convenient for sb. / sth. 对某人/物来说是方便/近便的(2) at one's convenience在某人方便的时候for ( the sake of) convenience为方便起见e.g. ①It is convenient for me to go there. 我去那儿很方便。

②Our house is very convenient for our children's school. 我们家到孩子们的学校很近。

③Can you telephone me at your convenience to arrange a meeting?你能不能在你方便时给我来个电话，安排见一次面？④For (the sake of) convenience，the library books are separated into different categories. 为方便起见，图书馆的书被分成不同的类别。

温馨提示：convenient作表语时，不可用人作主语，要用物作主语或用it充当形式主语。

表达“如果你方便的话”时，应用if it is convenient for you。

表达“在你方便的时候”时，应用when it is convenient for you。

2. stuck adj. 卡住；陷（入）；困（于）(1) be / get stuck in被困在……be stuck with遇到困难无法进行下去；无法摆脱(2) stick to 坚持；信守e.g. ①Have you ever been stuck in a traffic jam? 你曾经遇上过堵车吗？②Will you help me with this mathematical problem? I'm stuck with it. 这道数学题你能帮我一下吗？我怎么也解不出来。

人教版高中英语必修二unit 3单词Unit 3 of the People's Education Press edition of the high school English textbook "Obligatory 2" covers a wide range of vocabulary related to the theme of global warming and environmental protection. Here, I will provide a comprehensive overview of the key vocabulary words in this unit.1. Global warming: the gradual increase in the Earth's temperature due to the release of greenhouse gases such as carbon dioxide into the atmosphere.2. Greenhouse effect: the trapping of heat in the Earth's atmosphere by greenhouse gases, leading to a rise in temperature.3. Carbon footprint: the total amount of greenhouse gases emitted into the atmosphere as a result of human activities.4. Renewable energy: energy derived from natural sources that are constantly replenished, such as solar, wind, and hydropower.5. Deforestation: the clearing of forests for agricultural or commercial purposes, leading to a loss of biodiversity and an increase in carbon emissions.6. Biodiversity: the variety of plant and animal species in a particular ecosystem.7. Ozone layer: a layer of ozone gas in the Earth's stratosphere that absorbs most of the sun's harmful ultraviolet radiation.8. Emission: the release of greenhouse gases into the atmosphere, often from vehicles, factories, and power plants.9. Conservation: the protection and preservation of natural resources, habitats, and biodiversity.10. Sustainability: the ability to meet current needs without compromising the ability of future generations to meet their own needs.11. Carbon offset: a reduction in greenhouse gas emissions in one area to compensate for emissions produced elsewhere.12. Ecological footprint: the impact of human activities on the environment, measured in terms of the amount of natural resources consumed.13. Recycling: the process of reusing materials to create new products, reducing waste and conserving resources.14. Pollution: the contamination of the environment with harmful substances, such as chemicals, waste, or toxins.15. Sustainable development: development that meets the needs of the present without compromising the ability of future generations to meet their own needs.These are just a few of the key vocabulary words covered in Unit 3 of the People's Education Press edition of the high school English textbook "Obligatory 2." By understanding and mastering these words, students can better understand the important issues surrounding global warming and environmental protection and contribute to efforts to create a more sustainable world.。