高中英语 Unit 3 The world online 精品课件 译林选修7

1、2021/8/11 星期三1Unit 3 The world online2021/8/11 星期三2基础落实.高频单词思忆1.value n. adj. n. 评估;估价2.present vt. n.陈述；表达；呈现3.acquire vt. n.4.analysis n. n.(pl.) v. n.分析家;化验员价值valuablevaluation提出；呈现；赠送presentation取得，获得；学到acquisition分析analysesanalyseanalyst2021/8/11 星期三35.frequent adj. adv. n.6.popularity n. adj.7

2、.addicted adj. v. n.8.divide vt. n.频繁的frequentlyfrequency人气，受欢迎程度popular上瘾的addictaddiction分割;分开division2021/8/11 星期三4.重点词语再现1.对有积极/负面影响 2.参加辩论3.信息来源4.从中获取知识5.比有优势6.一般情况下7.筋疲力尽 8.限制对网络的使用 have positive/negative effects on.take part in a debatesource of informationacquire knowledge from.have advantage

3、s over.as a general rulebe worn out/be tired out/beexhaustedlimit the use of theInternet2021/8/11 星期三59.根据天气预报 10.对玩电脑游戏上瘾/入迷 11.考虑某事 12.建立在共同兴趣的基础上 13.下载某东西到某人电脑上 according to the weatherforecastbe/become addictedto playing computer gamestake oconsideration/consider (doing) sth.be based oncommon/sh

4、ared interestsdownload sth.ontoones computer2021/8/11 星期三6.典型句式运用1.你对网上研究了解得越多,你找到所需要寻找的 东西的速度越快,你得到的信息就越好。 you know about Internet research, youll find what you are looking for,and your information will be.The morethe fasterthe better2021/8/11 星期三72.遵循这些窍门儿的话,你在网上搞研究所花的时 间就越值得。 these few tips, your

5、 time spent doing research on the Internet will be much more rewarding.3.他们声称因特网是无用的,而且使用因特网是浪 费时间。 They claim that the Internet is useless and that using the Internet .Followandis a waste of time2021/8/11 星期三8.综合语篇填空1.Without the Internet,these people would have chances of meeting people.2.I feel i

6、t remains important for us to limit our use of the Internet, or to learn how to handle the problems it has caused.3.Should you ever find information you want to save on your own computer,you can it.4.What news do people trust the most?5. than table tennis,what sport do people not like to play?fewere

7、itherdownloadsourceOther2021/8/11 星期三9导练互动重点单词1.value n.价值;vt.估价;评价;重视挑战自我 (1)你的房子值多少钱? What is of your house? (2)你的帮助很有价值。 Your help has been . (3)我非常珍惜我们的友谊。 I very much.the valueof great value(=very valuable)value our friendship2021/8/11 星期三10帮你归纳be of little/some/no value具有很少价值/有些价值/没有价值value.at

8、给估价valuable adj.有价值的,值钱的Your advice is very valuable.你的建议很有价值。2021/8/11 星期三11易混辨异value,price,cost(1)value指内在的价值,重要性。the value of American dollars美元的内在价值(2)price指商品的价值(价格)。at a high price以高价(3)cost指制作成本；代价。at all costs不惜一切代价2021/8/11 星期三12即学活练(4)You will find this map of great in helping you to get r

9、ound London. A.priceB.cost C.valueD.usefulness(5)这本书很有价值。 CThe book is of great value./The book isvery valuable.2021/8/11 星期三132.advance v.& n.前进;促进,增进;推动;进展; 提高挑战自我 (1)盟军正在向敌军营地挺进。 The Allied troops were the camp of the enemy. (2)你必须预先付书的钱。 You must pay for the book . (3)我们应该学习先进国家来促进教育发展。 We shoul

10、d learn from to the development of education.advancingon/towardsin advancethe advancedcountriesadvance2021/8/11 星期三14帮你归纳in advance预先in advance of胜过；在前面He is far in advance of his class.他在班上遥遥领先。advance towards/on向前进(推进)advanced adj.高级的,先进的advanced education高等教育advanced mathematics高等数学advanced studi

11、es高深的研究advanced ideas先进的思想an advanced worker先进工作者2021/8/11 星期三15即学活练(4)会议提前四天召开。 (5)时间飞快地流逝,但工作一点进展也没有。 The meeting was held four days in advance.Time passed quickly but the work didntadvance at all.2021/8/11 星期三163.occur vi.发生;(与to连用)想起;想到挑战自我 (1)事故发生在五点钟。 The accident at five oclock. (2)如果发生什么事情的话

12、,告诉我。 If anything ,let me know. (3)我想到一个主意。 An idea me. (4)我从未想过要接受他的帮助。 that I would accept his help.occurredshould occuroccurred toIt never occurred to me2021/8/11 星期三17帮你归纳It occurs to sb.that.=It occurs to sb.to do sth.某人突然想到occur to sb.浮现在某人的脑海中;被某人想到即学活练(5)我突然想去看看20年未见过的老同学。 (6)今早醒来时,我突然想到一个很棒

13、的点子。 It occurred to me that I would go to seemy old classmates who/whom/that I hadntseen for twenty years.An excellent idea occurred to me when Iwoke up this morning.2021/8/11 星期三184.course n.课程;过程;进程;一道菜;航线,航向挑战自我 (1)参加短期班 (2)一门法语课程 (3)一顿五道菜的饭 (4)那船被吹离航线。 take a shortterm coursea course in French=a

14、French coursea dinner of fivecourses=a fivecourse dinnerThe ship was blown off course.2021/8/11 星期三19帮你归纳of course当然in/during the course of在的过程中,在期间即学活练(5)在讨论期间，学生们充分地表达了他们的观点。 (6)由于暴风雨，飞机改变了航线。In the course of discussion,the studentsexpressed themselves freely.The plane changed its course because o

15、f the storm.2021/8/11 星期三205.judge vt.&vi.审理;鉴定;判决;断定;认为;n.法 官;审判员;裁判员挑战自我 (1)谁将审理下一个案子? Who will the next case? (2)不要以貌取人。 Dont a man his looks. (3)我们认为缺乏耐心是不明智的。 We it to be impatient.judgebyjudgeunwisejudge2021/8/11 星期三21帮你归纳judge+wh-clausejudge+that-clausejudge.to be.judging by.从来判断judging from.

16、根据可以看出认为/断定2021/8/11 星期三22即学活练(4) his appearance,he is a teacher. A.Judging fromB.Judged from C.Judge byD.To be judged by(5)她不能断定他是否在讲真话。 AShe couldnt judge whether he wastelling the truth.2021/8/11 星期三236.advantage n.优势,有利条件;利益挑战自我 (1)这所学校有许多的有利条件。 This school has . (2)这个足球队与对手相比占优势。 The football t

17、eam its opponents. (3)不学习将对你不利。 Not studying will be .many advantageshas advantages over to yourdisadvantage2021/8/11 星期三24帮你归纳disadvantage n.(反义词)不利条件;损害;损失have/gain the advantage over与相比有优势，胜过to ones advantage/disadvantage=to the advantage/disadvantage of sb.对某人有利/不利take advantage of sb./sth.利用put

18、 sb.at a disadvantage使某人处于不利地位have the advantage of具有的有利条件2021/8/11 星期三25即学活练(4)Havent you learned of the advantage you should others weak points in order to win the match? A.make onB.make of C.have toD.take ofD2021/8/11 星期三267.alarm n.C警报;警报器;U惊慌;vt.恐吓, 警告挑战自我 (1)请把闹钟定在6点上。 Please for six oclock. (

19、2)这一消息使他们惊恐不安。 They got at the news.set the alarmalarmed2021/8/11 星期三27帮你归纳give/raise/sound the alarm发警报in alarm惊慌地alarmed adj.担心的，害怕的(不用于名词前)alarming adj.令人惊慌的即学活练(3)雨林正以惊人的速度消失。 The rainforests are disappearing at analarming rate.2021/8/11 星期三288.present vt.介绍,引见;赠送;提出;呈现;n. C赠品;礼物;U现在;adj.现在的;出 席

20、的挑战自我 (1)他送给怀特先生一本书。 He a book Mr.White. =He Mr.White a book. (2)有200人出席会议。 There were 200 people . presented topresentedwithpresent at themeeting2021/8/11 星期三29帮你归纳sb.present sth.to sb.else=sb.present sb.else with sth.送某人某物at present=at the present time=presently目前,现在for the present眼前,暂时up to/until

21、 present直到现在be present at出席presentation n.介绍;陈述;赠送;表达2021/8/11 星期三30温馨提示(1)present表示“赠给,给予”时,不能接双宾语,只能用sb.present sth.to sb.else=sb.present sb.else with sth.送某人某物。(2)作定语时,前置定语表示“现在的,目前的”,后置定语表示“出席的,到场的”,the present government leaders现政府的领导人;the government leaders present在场的政府领导人。2021/8/11 星期三31即学活练(

22、3)我目前很忙。 (4)我暂时想不起来。 I cant remember it for the present.Im busy at present.2021/8/11 星期三329.troublesome adj.麻烦的;讨厌的;棘手的挑战自我 (1)他是一个让人讨厌的男孩,总是惹麻烦。 He is a boy who always . (2)我可以麻烦你关上窗户吗? May I you the window?troublesomemakes troubletroubleto close2021/8/11 星期三33帮你归纳trouble n.烦恼;麻烦;动乱;纠纷;疾病;故障,问题;vt.

23、使烦恼;费神trouble sb.with sth.因为某事而麻烦某人ask/look for trouble自找麻烦be in trouble处于困境中get into trouble陷入困境make trouble惹事put a person to trouble给某人增添麻烦take the trouble to do sth.不辞劳苦地去做某事trouble oneself to do sth.费神做某事trouble oneself about sth.某人为烦恼2021/8/11 星期三34即学活练用适当的介词填空(3)That student sometimes troubles

24、 the teacher hard questions.(4)He is a great trouble his parents.(5)She is great trouble,so she needs your advice.(6)The boy put his parents trouble.withtointo2021/8/11 星期三35重点短语与句型10.be accustomed to习惯于挑战自我 (1)我习惯于早起。 Im accustomed to . (2)他习惯了奢华的生活。 He of luxury.getting up earlywas accustomed to a

25、 life2021/8/11 星期三36帮你归纳(1)accustom vt.使习惯accustom oneself to.使某人自己习惯于He had to accustom himself to such weather.他必须使自己适应这样的气候。(2)“习惯于(做)某事”亦可表达为get/grow/become accustomed to sth./doing sth.或be/get used to sth./doing sth.。2021/8/11 星期三37即学活练(3) getting up early,he woke up early every day. A.Accustom

26、ed to B.Accustoming to C.Being used to D.Using toA2021/8/11 星期三3811.turn to求助于;指向;转向;变成;翻到 页挑战自我 (1)如果你有困难,尽管来找我好了。 Dont hesitate to if you are in trouble. (2)孩子向母亲寻求安慰。 The child his mother comfort. turn to meturned tofor2021/8/11 星期三39 (3)冰变成了水。 The ice water. (4)现在让我们谈谈语言方面的问题。 Now lets the lingu

27、istic points.帮你归纳 turn to sb.for help向某人求助 turn down降低,压低(力量、声音等);拒绝,不 接受 Please turn the television down a bit. 请把电视机音量关小点。turned toturn to2021/8/11 星期三40turn down ones offer拒绝某人的请求turn in上缴turn on打开(煤气、自来水、电灯等)turn out生产,出产;结果是(常与to,that连用)We are to turn out 100,000 586 computers next year to meet

28、 the market requirements.我们计划明年生产十万台586计算机以满足市场需要。Things turned out to be exactly as the professor had foreseen.事情正如教授所预见的那样。turn over(使)翻过来;(使)翻倒turn up露面;把声音开大2021/8/11 星期三41即学活练(5)When you come across a new word while reading;dont always . A.look it up in the dictionary B.turn it to the dictionar

29、y C.refer to it in the dictionary D.look up the dictionary A2021/8/11 星期三42品味构词1.利用合成法,品句选词 Yesterday afternoon Miss Liu went after school;suddenly she fell down on the .Quickly a strange man came over to help her but she refused because she didnt know his . A.back B.ground C.backgroundABC2021/8/11

30、星期三43串联扩展词词合成词back(n.后面,后部) (adj.后面的)ground地面background背景;经历stage阶段;舞台 在后台;私下yard庭院backyardchat聊天backchatnumber数字 过期的报纸(或杂志)room房间back room后室,密室woods树林 边远落后地区date记上日期backdatebackstage后院顶嘴back numberbackwoods倒填日期2021/8/11 星期三44back(n. 后面,后部) (adj. 后面的)bite咬backbiting背后中伤-ward向的backward-wards向的backwar

31、ds向后,倒着向后的,后进的2021/8/11 星期三452.利用合成法,品句填词 We have a lot of things to do,but packing is at the of the list,especially packing the ,which we can surf the Internet on.(top)toppalmtop2021/8/11 星期三46词词合成词top顶部,顶端brass黄铜top brassclass等级top-classcoat大衣 外涂层;大衣dog狗top dogsecret秘密 绝密的soil土壤topsoiltable桌子top t

32、ablelevel水平 最优秀的最高负责人最高负责人topcoat优胜者top secret表土层主桌top-level串联扩展2021/8/11 星期三47考题回扣【例1】Ladies and gentlemen,please remain until the plane has come to a complete stop. (四川高考) A.seatedB.seating C.to seatD.seat 解析 seat为及物动词，be seated表示坐着 的状态。句意为：女士们，先生们，请坐好直 到飞机完全停下。句中remain为系动词，后接 seated作表语。 A2021/8/1

33、1 星期三48 课文原文 .I feel it remains important for us either to limit our use of the Internet,.(P35)2021/8/11 星期三49【例2】Many Chinese universities provide scholarships for students financial aid. (天津高考) A.in favour ofB.in honour of C.in face of D.in need of 解析 句意为：许多中国大学向那些需要经济 帮助的学生提供奖学金。in favour of支持； i

34、n honour of为了纪念；in face of面对；in need of需要。 课文原文 When people are in need of information,.(P34)D2021/8/11 星期三50【例3】As nobody here knows what is wrong with the machine,we must send for an engineer to the problem. (湖北高考) A.handleB.raise C.faceD.present 解析 句意为：因为这儿没有人知道机器出了 什么故障，所以我们必须去请一位工程师来解 决这个问题。han

35、dle处理,解决；raise抬高； 饲养；养育；提出(问题等)；face面对，面 临；present呈现；介绍；赠送。A2021/8/11 星期三51课文原文These are all negative effects the Internet has on our lives,and I feel it remains important for us either to limit our use of the Internet,or to learn how to handle the problems it has caused.(P35) 2021/8/11 星期三52【例4】The

36、y are quiet,arent they? Yes.They are accustomed at meals. (江苏高考) A.to talkB.to not talk C.to talkingD.to not talking 解析 be accustomed to 习惯于，to为介词， 后接名词或动名词。由句意可知，表示否定意 义，故选D项。D2021/8/11 星期三53课文原文They were also quite explicit about how heavy Internet users become accustomed to spending more time wit

37、h their online friends than with their real friends from school and work.(P37)2021/8/11 星期三54【例5】Hi,Mark.How was the musical evening? Excellent! Alex and Andy performed and they won the first prize.(安徽高考) A.skillfullyB.commonly C.willingly D.nervously 解析 句意为：喂,马克！音乐晚会如 何？太棒了！亚历克斯和安迪表演得很娴 熟,他们得了第一名。

38、课文原文 I admire the boy I debated against because he was very skillful (skilful). (P41)A2021/8/11 星期三55写作技能怎样写好文章的结尾 文章开头很重要，同样，文章结尾也很重要，好结尾会使读者对文章留下深刻印象，可以增强文章的说服力，让人深思，回味无穷。确切地说，结尾就是用来概括全文内容，进一步强调或肯定文章中心思想，与主题句相互呼应，使读者对文章的主题有深刻的印象或思考。写好英语文章的结尾最常用的方法有： 1.重复中心思想，达到再次肯定和强调的效果。2021/8/11 星期三56 2.得出结论，即在文

39、章最后，用几句话概括全文内容，并进一步肯定文章的中心思想或作者的观点。 3.使用格言，谚语或习语总结全文，既言简意赅又有更强的说服力。 4.用反问结尾，虽然形式是问句，但意义却是肯定的，具有明显的强调作用，引发读者思考。 2021/8/11 星期三57即时练习下面给出的是三篇文章的结尾，请指出它们属于哪一种1.If you have something to do,try to do it yourself,for that is the safest way to permanent success.Remember the famous saying “God helps those wh

40、o help themselves”.2.With all these benefits,it is no wonder that sports have become more popular with people than ever.3.So,what can we benefit from wealth if we dont have health? 使用格言，谚语或习语总结全文重复中心思想以反问结尾2021/8/11 星期三58自主检测.品句填词1.The books in the library are according to subject.2.According to the

41、 weather ,it will be fine tomorrow.3.I think what he said just now at the meeting isnt to our plan.4.Mr.Smith is a visitor to our school library.That is to say,he goes there quite often.classifiedforecastrelevantfrequent2021/8/11 星期三595.I really it that you can lend a helping hand in time.6.He could

42、 not provide a copy of the report but outlined its (内容).7.It can be difficult to (评估) the effectiveness of different treatments.8.The recent airplane crash (证实) my belief that stronger safety regulations are needed.appreciatecontentsevaluateconfirms2021/8/11 星期三609.Tom was involved in a (麻烦的) case a

43、nd the police are looking into it.10.Her careful description enabled us to form an (精确的) picture of what had happened.troublesomeaccurate2021/8/11 星期三61.短语识境in need of;turn to;be/get accustomed to;worn out;be popular with;be divided into;o consideration;as a general rule;search for;attach.to.1.The a

44、rmy is great food at present.2.The child his mother for help with his homework.3.Usually,a novel chapters.4.We have to all the facts .inneed ofturned tois divided intotakeintoconsideration2021/8/11 星期三625.The man in charge of the luggage a label each piece.6.Theyve going to bed early and getting up

45、early.7.Can I sit down? Im .8.Skiing very young people.9. ,vegetable oils are better for you than animal fats.10.Firefighters the buildingsurvivors.attachedtogot accustomed toworn outpopular withisAs a general rulesearchedfor2021/8/11 星期三63.单项填空1.The boy has a fine knowledge of geography by careful

46、study. A.requiredB.inquired C.acquiredD.addressed 解析 acquire knowledge获取知识。2.When I was young,I was always to my elder brother wherever he went. A.attachedB.attacked C.attendedD.surrounded 解析 attach to sb.和某人在一起,缠着某人。CA2021/8/11 星期三643.I didnt speak any French,but a nice man came to my and told me w

47、here to go. A.wayB.aid C.aimD.direction 解析 come to ones aid帮助某人。4.As is known to all,Chinese arts have won the of a lot of people outside China. A.enjoymentB.appreciation C.entertainmentD.success 解析 win the appreciation of.赢得 的赞叹。BB2021/8/11 星期三655. to climbing the steep mountains,he had no difficul

48、ty reaching the top. A.Accustomed B.To be accustomed C.Having been accustomed D.Accustoming 解析 本题为过去分词短语作状语。A2021/8/11 星期三666.An idea to me that I might turn to my English teacher for help. A.happenedB.passed C.occurredD.opened 解析 occur to sb.想起，想到。 C2021/8/11 星期三677.I consider the party until Satur

49、day evening,and it is considered practical. A.putting off;being B.putting off;to be C.to put off;being D.to put off;to be 解析 本题考查consider的两个结构： consider doing sth.考虑做某事；consider sb./sth.to be.认为某人/某物是。B2021/8/11 星期三688. and out of breath,we reached the top of the mountain and stopped the beautiful s

50、cenery. A.Tiring;to admire B.Being tired;admiring C.Tired;to admire D.Tired;admiring 解析 第一空为形容词作状语，其逻辑主语是 we，故用tired；stop to do sth.停下来去做 某事。C2021/8/11 星期三699.The theory he sticks to to be of no use to our studies. A.provesB.is proved C.provingD.to be proved 解析 prove在本句中作谓语，且prove无被动 语态。10.You should take of the opportunity and try to make a good impression on