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111江苏省南京市东山外国语学校高中英语选修七 Unit3 the world online 教学案重点词汇重点短语1. the world online 2.a world of connections 3.that is to say 4.have positive effects on 5.in need of 6.current affairs 7.travel package 8.turn to 9.a variety of topics 10. a waste of time 11.to communicate with the outside world 12.such as 13.become addicted to playing computer games 14.pros and cons 15.become accustomed to spending more time 16.feel worn out 17.be popular with many people 18.in an intelligent manner 19.be happy with the outcome of the debate 20.keep in mind 21. search engine 22.subject directory 23.key word 24.be divided into 25. on that basis 26. take into consideration 27.as a general rule 28.be sure about 29.search for 30 double quotation marks 重点句型1.One of the greatest benefits of Internet friendsships is that they are based on common interests, rather than appearance, age or popularity.2.W ithout the Internet, these people would have fewer chances of meeting people.3.I have a great appreciation for the Internet. Otherwise, I would not be able to write this e-mail to you!4 Should you ever find information you want to save in your own computer, you can download it.5 As the Internet has gained popularity, there has been a change in the way people spend their time.6.Today I feel worn out.知识点归纳1. That is to say, I believe that the Internet has positive effects on our lives. (P34) 也就是说，我相信因特网对我们的生活产生正面的影响。That is to say: That is; in other words 也就是(说)，换言之，亦即常用来进一步解释前面说过的事情。这是个固定短语，在句中作插入语。 My boss has asked me to attend a lecture about the use of the Internet three days from now，that is to say，on FridayJohn is a Londoner，that is to say，he lives in Londoneffect have an effect on对有影响；对起作用 As we know some terrible websites on the Internet have a very bad effect on people , especially childrenHe is helpless and even punishment has very little effect on himThe present system of payment will remain in effect until the end of the rental agreement.When do the new driving laws come into effect?2. The first is its value for people who are looking for information. (P34) 第一是因特网对于搜索信息的人具有的价值。 value n. 1) S or U They are known to place/put/set a high value on good presentation.2) U how useful or important sth. is:The photos are of immense historical value.His contribution was of little or no practical value.3) the amount of money which can be received for sth.:She had already sold everything of value that she possessed.What is the value of the prize?This watch is good value for your moneyvt. 估计某物的价值，给某物估价；重视、珍视某物某人 Do you value her as a good friend?They valued the land at three million dollars高考链接To make members of a team perform better, the trainer first of all has to know their _ and weaknesses. （2006湖北）A. strengths B. benefits C. techniques D. values答案及解析：选A. 根据句意，此处与weakness并立的只有strengths(力量, 力气)；而benefit（利益, 好处）；technique（技术, 技巧, 方法）；value（价值, 估价, 评价, 价格）。3. With the touch of a button or the click of a mouse, a student can acquire knowledge from the information held in the largest libraries and museums in the world, whether he or she lives in a small village or downtown in a big city. (P34) 轻按键盘或点击鼠标，无论是住在小村庄还是大都会的闹市区，学生们都可以从世界上最大的图书馆和博物馆中获取知识。whether conj. 是否 if I dont know whether he is ill. The question is whether you can do the work well. conj. 两个中的任何一个 either It matters little whether it will rain or snow. conj. 不论 no matter if.or Whether we help him or not, he will fail. 高考链接1. We havent settled the question of _ it is necessary for him to study abroad. (2006江苏)A. if B. where C. whether D. that2. Elephants have their own way to tell the shape of an object and _it is rough or smooth. (2005天津)A. 不填 B. whether C. how D. what答案及解析：1. 选C. 根据句意，此处为whether引导的宾语从句，意为“我们还没有决定他是否去国外学习”。2. 选B. 意为“大象有自己的办法区分物体的形状和物体是粗糙的还是光滑的”。4. They say children spend too much time chatting and playing games instead of focusing on their school work. (P34) 他们说，孩子们花大量时间聊天或打游戏，而不是集中精力学习。focus()on/upon(1)把(思想等)集中于(某事物)；以(某事物)为重点中心。focus在此可及物也可不及物，但整个短语却总是及物的。focus的宾语可为：ones attention(注意力)， thoughts(思绪)， mind(心思)，efforts(努力)， energies(精力)等，一般不是具体的东西。这些短语都可有被动语态。Many Chinese firms are focusing on expanding their market overseasHe finds it hard to focus his thoughts on one thing for longer than five minutesWhen the kitchen is finished Im going to focus my attention on the garden and get that sorted out.(2)使(光线等)聚集于If you focus bright sunlight on dry wood with a piece of glass，it will start burning拓展:concentrate()onupon集中精力，把“ 集中于 ”centre ()onupon集中于；以为中心 fixonuponOur society ought to concentrate more efforts on helping the poor and the disabledEveryones attention was centred on the speaker.The people who are to be happy fix their attentionmind on the convenience of things5. One of the greatest benefits of Internet friendships is that they are based on common interests, rather than appearance, age or popularity. (P34) 网络友谊最大的好处之一在于它是基于共同的兴趣爱好而形成的，而非取决于人们的外貌、年龄或人气。base onvt. 基于；以为根据；建于之上 rest; build; place; found (=place upon) This song is based on an old folk tune. Scientific theories must be based on facts. The calculation is based on false data. rather than: which is better than; instead of 倒不如说；是而不 He is a writer rather than a teacher 1)接名词You, rather than she, are my guest. 2)接代词The color seems green rather than blue. 3)接形容词Id prefer to read in the library rather than at home. 4)接介词短语Rather than regretting for the failure, why not try again? 5)接动词+ing高考链接It is what you do rather than what you say _ matters. （2005天津）A. that B. what C. which D. this答案及解析：选A. 此句为强调句型。what you do rather than what you say为被强调部分。6. Moreover, people who are disabled and must stay in their homes can communicate with the outside world and meet others with similar interests. (P34) 还有那些必须待在家里的残疾人也可以通过因特网与外部世界进行交流和沟通，结识有相同爱好的人们。moreoveradv. (used to add information) also and more importantly:The whole report is badly written. Moreover, its inaccurate.7. Of course, access to up to date, accurate information is an important thing for anyone who is involved in research. (P35) 当然，对于做研究的人们来说，获取最新的精确的信息是重要的。accessn. U the method or possibility of approaching a place or person, or the right to use or look at sth.:The only access to the village is by boat.The system has been designed to give the user quick and easy access to the required information.The childrens father was refused access to them at any time (= refused official permission to see them).be involved in vt. 陷入；专注be very busy with sth.: Jill does not want to come because shes too involved in her sewing. The real meaning of his remark is involved in ambiguity. 他这句话的真正意思难以捉摸。 Poverty involved his family in misfortune. 贫困使他的家庭陷入不幸。 be deeply involved in debt 债台高筑 be involved in the scandal 卷入这一丑事中 be involved in working out a puzzle 专心于解出一道难题 8. In fact, some young people spend so much time playing computer games and using the Internet that they have become addicted to computer games. (P35) 事实上，有的年轻人将大量的时间花在玩电脑游戏和上因特网上，结果越来越上瘾。become/be addicted toBy the age of 14 he was addicted to heroin.Im addicted to (= I very often eat/drink) chocolate/lattes.I know that if I start watching a soap opera I imme Language points (Learn and use)9. Search for information on a variety of topics. (P33) a variety of n The article was about the different varieties of Spanish spoken in South America.This variety of rose is especially hardy and drought-resistant. She does a variety of fitness activities.The equipment could be used for a variety of educational purposes.10. Keep in touch with family members wherever you are in the world. (P33) wherever1) adv./ conj. to or in any or every place:We can go wherever you like.Wherever I go I always seem to bump into him.All across Europe, wherever you look, marriage is in decline and divorce rates are soaring. 2) adverb used instead of where to add emphasis to a phrase, usually expressing surprise:Wherever did you find that hat!Wherever did you get that idea!Wherever does he get the money from to go on all these exotic journeys? 高考链接In peace，too，the Red Cross is expected to send help _ there is human suffering.（2006江西）A. whoever B. however C. whatever D. whereverB.11. acquire vgain or obtain sth / be given sth获得，取得,收到(某事物) eg：Weve just acquired a dog我们刚得到一条狗。 Mr Brown acquired a fortune in the oil businessShe acquired a knowledge of French by careful study 注意：其名词为acquirement指获得，学到；得到的东西 eg： I appreciate your acquirements12. Internet users can communicate with experts on all sorts of topics，and read articles written by people who are leaders of their fieldsall sorts of各种各样的；一切种类的 形容词短语，在句中作前置定语，修饰可数名词的复数，偶尔也跟不可数名词。The travel agency provides a11 sorts of servicesThe shop is well stocked with all sorts of goods All kinds of people are needed to do all sorts of work in the society sort v.将分类 sort out :整理He was sorting his foreign stamps into piles He sorted out the good apples from the bad ones13. advance vt. 推进，促进，增加，提高 Chemical fertilizers advance the growth of crops. It is a great force to advance all kinds of work. n. 前进；进展 The army has made an advance. This invention is a great advance. in advance：ahead of time; beforehand提前；预先If you want to get the book, you must pay for it in advance. in advance of: in front of; ahead of在前面；在之前He walked in advance of his wife.14. One of the greatest benefits of Internet friendships is that they are based on common interests, rather than appearance，age or popularity(P34)common共同的；普通的，常见的； commonly advcommon interestsshare a common aimpurpose the common cold感冒the common sense常识have sth(mucha lot/ nothing) in common(with sb)common, ordinary, normal, usual, regular, popular, general1)common用于物，指不稀奇，很普通，无异常的特征；用于人，指很平凡，没有职位，不高贵。2)ordinary指日常生活中随时碰到的、平凡的、平常的。3)normal指正常的、通常的。4)usual指通常的，用以表示自然界中符合规律的事物，也可表示符合社会风俗或个人习惯的事物。含有一贯如此，并不新奇的意思。5)regular指符合常规，有规律的；暗示没有意外发生的或不稳定的情况。6)popular指被广泛地接受或在普通人中间广为流行的、通俗的、大众化的。7)general含义较笼统，指同类中的近乎全部、绝大部分或绝大多数，含几乎没有例外之意。as a general rule，generally， The book describes the way of life that the ordinary people of the European countries 这本书描述了欧洲国家普通人的生活方式。The average temperature this winter is below normal今冬平均气温比正常偏低。Following the usual method，he heated the metal and found that it expanded他采用通常的方法，把金属加热并发现它膨胀了。Mr Goodman is a regular customer of ours古得曼先生是我们的常客。Jogging is a popular form of exercise慢跑是一种十分普及的锻炼方式。The general opinion is in favor 0f them舆论是支持他们的。实用链接：As you know，whether the person will be elected president is a matter of _interestA. general B. common C. ordinary DmostlyIt is _ sense to carry an umbrella in case of rainA. usual B. normal C. common D. popular15. address(1) n住址，地址，通讯处 eg：Tell me if you change your addressPlease write down your business address(2) v设法解决，处理；对付；对作演讲；称呼 eg：We must address ourselves to the problem of traffic pollutionThe chairman will now address the meetingDont address me as Manager，Im only an assistant16.advantage (1)n优越的或成功的条件或环境；优势，有利因素 eg：He has the advantage of a steady jobThis school has many advantagesThere is little advantage in buying a dictionary if you cant read 注意下列短语的含义：gain (have，win)an advantage over胜过，优于have the advantage of 胜过，占优势；take advantage of sb 欺骗(或捉弄)某人；take advantage of sth趁机利用某事。 eg：John wins an advantage over me in high jumpYou have the advantage of me there We couldnt take advantage of anyoneHe took advantage of my computer when I was out yesterday(2) vbe beneficial to sb；profit有益于(某人)；有利于 eg：Doing morning exercise will advantage you a lot(3)disadvantage n 不利条件，不利因素，劣势 eg：The other candidates main disadvantage is her ageThe lack of decent public transport is a great disadvantage17. These problems of inaccuracy do not occur as often when people use traditional ways to occur : verb -rr- to happen: An accident involving over ten vehicles has occurred in the east-bound lane. adverb or preposition (-rr-) to exist or be present in, among, Violence of some sort seems to occur in every society. occur to sb. If a thought or idea occurs to you, it comes into your mind: + that It never even occurred to us that he hadnt been invited.occur, happen , take place ,break out , come about1)某事作主语，表示事情偶然发生时，occur，happen和come about同义，都可用。有时可以以it为形式主语，后面跟主语从句。2)某事作主语，表示事情不是偶然发生的，而是按意图、计划进行的，用take place。它还可引申为“举行、进行”的意思。3)当主语是战争、疾病、火灾等激烈事件时，用break out，意思是“爆发，突然发生”。4)表示“在脑海中出现某种想法”时，用occur。5)表示“碰巧做某事”时，用happen，后接不定式。6)come about发生，造成When John woke up in the hospital，he didnt know how that had come aboutHow did it come about that you didnt report this to us in good time?实用链接：The plague _ in London that autumn，and hundreds of people diedThe sports meeting will_ in the stadium next weekIt _to me that MrLi knew him very wellAt that time he _to be walking his dog in the street高考链接:I along the street looking for a place to park when the accident （2006安徽）A. went; was occurring B. went; occurred C. was going; occurred D. was going; had occurred18As the Internet has gained popularity, there has been a change in the way people spend their time gain:得到；获得；赢得(尤指想或所需的事物)；增加；(钟表) 走快 I have gained some experience in marketing and sales，which I hope I can share with you I have gained a lot of friends since I arrived here He had gained weight and looked much betterThe clock gains(by)three minutes a daygain/ obtain / acquire / win / earn 1)gain指凭借相当大的努力在竞争或斗争中获得报酬、胜利、名誉、知识、权力、进步等。2)obtain指通过较大努力或经过相当一段时间后才获得早已希望得到的东西。3)acquire指通过不断的努力，逐渐地获得智力、技术和能力等。也指经过努力获得某种实物。4)win 指凭借奋斗在比赛或竞争中取胜或取得优势。也指努力获得他人的爱、尊敬或好感等。5)earn表示获得报酬，也可指得到坏的报应。6)get 最普通用语。几乎可同其他名词互换使用。实用链接：I am new in the job but I am already _ experience.Please _ me a glass of waterHis perseverance _ him many friends and a gold medalHe _ up to$50,000 a year by writing storiesAfter six years study，he has _ a good knowledge of English19. destroy，damage与ruin(1)destroy v破坏，毁灭，毁掉，表示严重毁坏某物，使之不复存在或无法修复，指在强力或暴力下摧毁，或表示毁掉某人的一生，使其对未来毫无希望。 eg： The old building was completely destroyed by fire last week All their hopes were destroyed by her letter of refusal(2)damage v损害，毁坏 主要指对价值和功能的损坏，多指车辆、房屋、庄稼等无生命的物体受损伤,但可修复，也表示损伤身体部位或某人有不好的影响;也作名词。 eg：They managed to repair the houses that had been damaged The accident did a lot of damage to the car(3)ruin v指“使一毁灭，毁坏”，一般指对物体或生命彻底的破坏，但往往是非暴力的，往往不是一次性打击的结果，常指对美好的或希望中的事物的破坏。 eg： Heavy smoking ruined his health Youll ruin the chance of the job if you wear that shirt to the interview(1)Tangshan city was completely_ by the earthquake in 1976(2)That old castle was in _ one thousand years ago (3)The bridge was badly _ by the flood.20. be/get/ become /grow accustomed to习惯于，to后面跟名词或动名词. eg：I am accustomed to working at nightHe was accustomed to smoking in the pastdiately become hopelessly addicted.What percentage of people turn to the Internet for breaking news? (P43) 有多少比例的人上网查新闻。turn to 求助于 I had to turn to the dictionary for help. 变成 The ice turned to water. 高考链接With no one to _ in such a frightening situation, she felt very helpless.（2006全国）A. turn toB. turn on C. turn off D. turn over 21.Other than table tennis, what sport do people not like to play? (P44) 除了乒乓球，还有什么运动人们不喜欢玩。 other than 111
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