1、Unit 3Computers一、单词写 得 准用 得 活(用所给词的适当形式填空)1.anyhow adv.无论如何；即使如此2.download vt. 下载3.signal vi.& vt. 发信号 n. 信号4.arise vi. 出现；发生5.character n. 性格；特点6.solve vt.解决；解答solution n解决7.operator n(电脑)操作员；接线员operate v操作；经营operation n操作；经营8.simplify vt.简化simple adj.简单的9.intelligent adj.智能的；聪明的intelligence n智力；聪明
2、；智能10.total adj.总的；整个的 n总数；合计 vt.共计；总计；把加起来totally adv.完全地；整个地11.personal adj.私人的；个人的；亲自的personally adv.就个人而言；亲自personality n个性；人格；风云人物；名人12.application n应用；用途；申请apply v应用；涉及；申请applicant n申请人；求职者13.finance n金融；财经financial adj.财政的；金融的；资金的14.explore vt.& vi.探索；探测；探究explorer n探险家；勘探者exploration n勘探；探测；
3、探险15.appearance n外观；外貌；出现appear vi.出现16.technology n工艺；科技；技术technological adj.科技的1.The team are working hard to analyze the problem so that they can find the best solution (solve)2.New technology (technological) should provide a secure firewall against hackers.3.Try to simplify (simple) your explana
4、tion to the students to help them understand better.4.There is another kind of beauty that has nothing to do with appearance (appear), but comes from the heart.5.A team of explorers will explore the valley and the exploration will last 10 days.(explore)6.Humans or animals of high intelligence are al
5、ways intelligent.(intelligence)7.After the president made an official announcement, she expressed her personal opinion. Personally speaking, I agreed with what she said.(person)8.Any applicant who would like to apply to become an assistant in our company should send us an application before December
6、 10, 2017.(apply)积 得 多(平时多积累，考场出华章)1.“互联网”家族download vt.下载click vt. 点击connect vt. 连接surf vi.&vt. 浏览network n. 网络database n. 数据库；资料库2.以后缀“fy”结尾的动词荟萃simplify 简化satisfy 使满意terrify 使恐惧beautify 美化identify 识别；鉴定classify 分类purify 净化3.ABC式过去式、过去分词变化arisearosearisenbearborebornechoosechosechosendrivedrovedri
7、venrideroderiddenriseroserisenwritewrotewritten二、短语在应用中记牢，在归纳中记多写 得 准用 得 活(选用左栏短语填空)1.from_._on 从时起2.in_a_way 在某种程度上 3.with_the_help_of 在的帮助下4.deal_with 处理；安排；对付5.watch_over 看守；监视；照管6.provide_._for_. 给提供7.have_sth._in_common 有共同之处8.share_._with_. 与分享 9.as_a_result 结果10.make_up 弥补；编造；打扮；构成11.after_al
8、l 毕竟；终究12.so_._that_. 如此以至于13.go_by 流逝1.It was with_the_help_of the local guide that the mountain climber was rescued.2.I think he is taking an active part in social work.I agree with you in_a_way.3.In order to make sure that his children were safe while playing on the beach, he kept watching_over t
9、hem all the time.4.As far as I know, the young man is hard to deal_with.5.My friend Martin was very sick with a strange fever. As_a_result,_he could neither eat nor sleep.积 得 多(平时多积累，考场出华章)1.“v. . with .”结构面面观share . with .与分享cover . with . 用覆盖equip . with . 使具有mix . with . 把和混合connect . with . 把与连接
10、起来compare . with . 把与相比较2.all相关短语大全after all毕竟；究竟；尽管above all 首先；最重要的是in all 全部；合计at all (否定句)一点也不；到底；究竟first of all 首先；第一all in all 总的说来三、句式在解读中学懂，在仿写中学通背 原 句明 句 式学 仿 写1.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.我发育缓慢
11、，差不多到了两百年之后，查尔斯巴比奇才把我制成了一台分析机。before引导时间状语从句，意为“之后才”。差不多用了两个月的时间，我妈妈才学会操作电脑。It took nearly two months before_my_mother_learned_to_be_able_to_operate_computers.2.As time went by, I was made smaller.随着时间的流逝，我被做得更小了。as引导时间状语从句，意为“随着”。随着技术的发展和生活水平的提高，互联网已进入寻常百姓家。As_technology_develops_and_life_improves,
12、_the Internet has entered the ordinary peoples homes.3.And my memory became so large that even I couldnt believe it！我的存储量变得如此之大，连我自己都不能相信！so .that .引导结果状语从句，意为“如此以至于”。他如此专注于电脑游戏，以至于没有意识到妈妈已经回家。He was so_absorbed_in_computer_games_that he didnt realize his mother had come home.With the Internet becom
13、ing more and more popular， we have fewer facetoface talks with our friends. As a result， the problems have arisen from lack of communication. Last Saturday， I turned to my teacher for help. He gave me some tips on how to deal with the problem. I couldnt totally agree with him， but what he said was p
14、artly reasonable.1arise vi.出现；发生；起身；起床一词多义写出下列句中arise的含义Seeing his mother return home, the boy arose from his chair immediately.起身 A number of high buildings have arisen where there was nothing a year ago but ruins.出现 They arose at sunrise to get an early start to the park.起床It cant be too careful w
15、hile driving. Accidents often arise from carelessness.发生辨析比较arise, rise, raise, arouse原形词性词义过去式过去分词现在分词arise(vi.)出现；发生；起身arosearisenarisingrise(vi.)升起；增长；上升roserisenrisingraise(vt.)举起；抚养；饲养raisedraisedraisingarouse(vt.)唤醒；激起arousedarousedarousing选用上述单词填空New problems will arise one after another in f
16、uture.She raised her finger to her lips as a sign for silence.The housing prices keep rising in spite of the governments regulations.His remark not only broke the ice, but aroused everyones interest.2totally adv.完全地；整个地total adj.总的；整个的n. 总数；合计a total of 总数为in totalin all 总计；总共I totally (total) agree
17、 with what Susan says about the best present.(2014重庆高考写作)我完全同意苏珊就最好的礼物所说的那些话。You got 47 points on the written examination and 18 on the oral, making a_total_of 65.你笔试得了47分，口试得了18分，总分65分。How much do you have to pay in_total/in_all if the four of you go together?如果你们四个一起去的话你总共需要支付多少钱？3as a result 结果as
18、 a result of 因为；由于；作为的结果result from 由引起result in 导致；造成Jenny nearly missed the flight as_a_result_of doing too much shopping.詹妮因为购物太多差点错过了航班。Its generally believed that his cancer resulted from the overfull tiredness.普遍认为他是因为过度的劳累而得了癌症。You might learn that haste makes waste if you do something so fas
19、t, resulting (result) in mistakes.如果你做事只求速度而导致错误，你或许会明白“欲速则不达”。扮靓写作例句的其他表达方式Its generally believed that the overfull tiredness resulted in his cancer.Its generally believed that he suffered from cancer as a result of the overfull tiredness.Its generally believed that the overfull tiredness led to hi
20、s cancer.4deal with处理；安排；对付；论及；涉及；与打交道、做买卖一词多义写出下列句中deal with的含义I think we should work out a plan to deal with this crisis.处理His articles deal with many issues about the world.涉及As far as I am concerned, the lady is hard to deal with.对付His work experience equipped him to deal with all kinds of peopl
21、e.与打交道do with sth.处理某事deal in sth. 做生意；经营；买卖make a deal 达成协议；做成交易Its a deal. 成交；一言为定。a big deal 非常重要的事；重要的人名师指津deal with表示“处理”时，常与疑问词how连用。do with表示“处理”时，常与疑问词what连用。I dont know how they will deal with the problem.I dont know what they will do with the problem.我不知道他们将如何处理这个问题。As science and technolo
22、gy develop quickly, computers have changed our life in a way. We can not only apply for the job through the Internet but also solve the difficult problems with the help of the Internet. However, many students become so crazy about computers that they spend too much time on them, which has a bad effe
23、ct on both their study and health. We must keep in mind that chest pains can be a warning signal of heart problems.5solve vt.解决；解答(1)solve a problem解决一个问题(2)solution n. 解决办法；处理手段a/the solution to sth. 的解决方法There are still many problems to_be_solved (solve) before we are ready for a long stay on the
24、Moon.在我们准备长期定居在月球之前仍旧有许多问题要解决。It may take a long time to find a solution (solve) to the problem.找到这个问题的解决方法用了很长时间。6signal vi.& vt.发信号n.信号(1)signal to sb.to do sth.示意某人做某事signal (to sb.) that . 示意(某人)(2) a traffic signal 交通信号send out a signal 发出信号Body language can give away a lot about your mood, so
25、standing with your arms folded can send_out_a_signal that you are being defensive.(2015浙江高考单选)肢体语言能泄露很多你的情绪，因此，双臂交叠站着传出的信号是你处于防御状态。The police signalled to the driver to_stop (stop) his car by raising his hand.警察举手示意司机停车。In order not to be heard, she pointed her finger upwards to_signal (signal) that
26、 someone was moving about upstairs.(2015湖北高考多选)为了不让别人听到(自己的声音)，她竖起手指示意有人正在楼上走动。7in a way在某种程度上；从某一角度看all the way一路上；自始至终；完全by the way 顺便说一下in no way 一点也不；决不(位于句首时，句子应使用部分倒装)in this way 用这种方法in the way 挡道；碍事on the way 在途中In_a_way,_it is a good thing that I did not get the post I had applied for, thou
27、gh I must admit that I was disappointed at that time.尽管我必须承认我当时很失望，但在某种程度上，我没有得到我所申请的职位是一件好事。Mrs. Smith finds it hard to clear up the mess, as her children are always in_the_way whenever she tries to.(2013福建高考单选)史密斯夫人发现清理杂物很难，因为无论何时她要去做的时候，孩子们总是妨碍她。In no way should_you_lose_heart when you are faced
28、with difficulties.面对困难时，你决不应该失去信心。8as引导时间状语从句As time went by, I was made smaller.随着时间的流逝，我被做得更小了。as引导时间状语从句时，意为“随着”。As the worlds population continues (continue) to grow, the supply of food becomes more and more of a concern.(2013浙江高考单选)随着世界人口的持续增长，食品供应问题越来越受到人们的关注。As time_went_by,_I gradually adapt
29、ed myself to the school life.随着时间的流逝，我逐渐适应了学校生活。名师指津as是连词，意为“随着”，引导时间状语从句；with是介词，意为“随着”，后接名词或代词等构成with短语或with复合结构。例句可以改为：With time going (go) by, I gradually adapted myself to the school life.9so/such .that .引导结果状语从句And my memory became so large that even I couldnt believe it!我的存储量变得如此之大，连我自己都不能相信！
30、so/such . that引导结果状语从句时，意为“如此以至于”。(1)so .that .句型的常见形式： (2)such .that .句型的基本结构：Keeping a learning diary every day is so_important_that I would like to introduce it to you.(2013四川高考书面表达)每天坚持写学习日记是如此重要，所以我想把这种学习方法介绍给你们。There were so_many_books_in_the_bookstore_that I didnt know which one to choose.书店里
31、有那么多的书以至于我不知道该选哪一本。Dalian is such an_attractive_place that lots of tourists visit the city every year.Dalian is so_attractive_a_place that lots of tourists visit the city every year.大连是一个如此吸引人的地方以至于每年都有很多游客来观光旅游。名师指津当so形容词/副词及such .放在句首时，主句要用部分倒装。So_excited_was_I that I couldnt wait to try my hand a
32、t riding the bicycle.(2014福建高考书面表达)我非常兴奋，迫不及待地想尝试骑自行车。课堂练牢基础.单句语法填空1If you are not totally (total) satisfied, return it at our expense.2A man stood up and crossed his arms over his head, signaling (signal) that he was strongly opposed.3With many problems arising (arise), he didnt know what to do nex
33、t.4Personally (person) speaking, I am satisfied with all the work you have done. 5Money does not always bring happiness (happy), but without it people often cant live well.6This question is too difficult for the children. I think wed better find a way to simplify (simple) it.7After graduating from t
34、he college, he made an application (apply) to the school for a job as a teacher.8I was told the Learning Center provides help for students and Im anxious to get help from you.9The students are looking forward to having an opportunity to_explore (explore) society for reallife experience.10With global
35、 warming becoming more and more serious, it wont be long before some coastal cities disappear.单句改错1It wont be long before we will know the result of the experiment.去掉will2Your main task today is help your mother (to) wash the curtains.is后加to3In the way, Im glad you made that mistake, for it will ser
36、ve as a warning to you.thea4The environment of Hong Kong is very outstanding that it is chosen as one of the worlds most livable cities.veryso5Can you give me some advice on what to deal with this difficulty？whathow或dealdo6He has been ill for a long time; as a result of, his heart is slightly damage
37、d.去掉of.根据提示词或结构补全句子1随着时间的流逝，他开始意识到，健康重于财富。(as)As_time_went_by,_he realized that health was more important than wealth.2说实话，我对如何解决这个难题感到困惑。(solve)To be honest, Im at a loss how_to_solve_the_difficult_problem.3要过很长一段时间，他才会定居在广州。(It will take . before)It_will_take_a_long_time_before_he_settles_down in
38、Guangzhou.4恐怕我们不能参加晚会，不过还是感谢你的邀请。(anyhow)Im afraid we cant attend the party, but_thanks_for_your_invitation_anyhow.5会议结束了，他示意该走了。(signal)The meeting was over; he_signalled_that_it_was_time_to_leave.一句多译1随着社会的快速发展，我们和朋友的聚会变少了。As_our_society_develops_quickly,_we find less time to gather with our frien
39、ds.(as)With_our_society_developing_quickly,_we find less time to gather with our friends.(with)2因为越来越多的污染，很多物种正在灭绝。(result)There is more and more pollution.As_a_result,_many species are dying out.As_a_result_of more and more pollution, many species are dying out.More and more pollution has resulted_
40、in many species dying out.The fact that many species are dying out results_from more and more pollution.3(2016北京高考书面表达)我们做得那么好以至于被邀请与全校同学分享观点和经验。We did_so_well_that we were invited to share our idea and experience with all the students of our school.So_well_did_we_do_that we were invited to share ou
41、r idea and experience with all the students of our school.(倒装)4休息时，我们的班主任开始处理课上出现的问题。At break, our headteacher got down to dealing with the matter arising_from_his_class.(分词作定语)At break, our headteacher got down to dealing with the matter which_arose_from_his_class.(定语从句)课下练熟高考练(一)英语知识运用组块专练练准度(限时：3
42、0分钟).完形填空(2017陕西高三教学质量检测试题一)I was in a rush as always, but this time it was for an important date (约会). I found _1_ at a checkout counter behind an elderly woman seemingly in no hurry as she _2_ her groceries. A PhD student with not a lot of money, I had hurried into the store to pick up some _3_. I
43、 was in a huge rush, thinking of my upcoming evening. I did not want to be _4_ for this date.We were in Boston, a place not always known for small conversations between _5_. However, the woman stopped unloading her basket and looked up at me. She _6_. It was a nice smile warm and reassuring and I _7
44、_ her gift by smiling back.“Must be a special lady _8_ it is that will be given those beautiful flowers，” she said.“Yes, shes special，” I said, and then to my embarrassment, the _9_ kept coming out. “Its only our second date, but somehow I am just having the feeling shes the one” _10_， I added, “The
45、 only problem is that I cant figure out _11_ shed want to date a guy like me.”“Well, I think shes very _12_ to have a boyfriend who brings her such lovely flowers and who is obviously in love with her，” the woman said. “My husband used to bring me flowers every week even when times were _13_ and we
46、didnt have much money. Those were extremely good days; he was very romantic and, of course, I _14_ him since he passed away.”I paid for my flowers as she was _15_ up her groceries. There was no _16_ in my mind as I walked up to her. I touched her on the shoulder and said “You were right, you know. T
47、hese flowers are indeed for a very special lady.” I _17_ her the flowers and thanked her for such a nice conversation.It took her a moment to realize that I was giving her the flowers I had just purchased. “You have a _18_ evening，” I said. I left her with a big smile and my heart _19_ as I saw her
48、smelling the beautiful flowers.I remember being slightly late for my date that night and telling my girlfriend the above story. A couple of years later, when I finally worked up the _20_ to ask her to marry me, she told me that this story had helped her to be determined that was the night that I won
49、 her heart.语篇解读：本文讲述了作者在约会之前在商店买花时遇到一位老妇人，最后把所买的花送给她的故事。1A.me BmyselfCher Dherself解析：选Bfind oneself意为“发现某人自己(处于某状态)”。在结账的时候，“我”发现自己的前面站了一位老妇人。2A.asked for Bsent forClooked for Dpaid for解析：选D根据上文的“checkout counter”可知，老妇人在付款。3A.food BdrinksCflowers Dplants解析：选C根据第8空后的“it is that will be given those be
50、autiful flowers”可知，“我”匆忙进商店是为了买花。4A.late BearlyCgood Dbad解析：选A根据前文的“I was in a huge rush”可知，“我”不想约会迟到。5A.neighbors BsellersCwives Dstrangers解析：选D“我”不认识这位老妇人，而在Boston，一般陌生人之间也不会交谈。6A.smiled BshoutedClaughed Dcried解析：选A根据后文中的“It was a nice smile”可知，她对“我”微笑了。7A.received BreturnedCrefused Dforgot解析：选B根据
51、后文中的“by smiling back”可知，“我”也回了她一个微笑。8A.whatever BwheneverCwhichever Dwhoever解析：选D老妇人说“不管是谁，收到花的一定是一位特别的女孩”，whoever表示“无论是谁”。9A.chances BhopesCwords Dtears解析：选C根据后文中的内容可知，“我”说了其他内容。words是指“我”说的话。10A.Jokingly BSadlyCHelpfully DCarefully解析：选A根据后文的内容“我不知道她为什么会和我谈恋爱”可推知，“我”是在开玩笑。11A.where BwhenCthat Dwhy解
52、析：选D参见上题解析。12A.sad BluckyCeasy Dfree解析：选B老妇人认为“我”很体贴，有“我”当男朋友，女孩儿很幸运。13A.proper BrichCtough Dnice解析：选C结合后文中的“we didnt have much money”可知，此处指在日子艰难的时候老妇人的丈夫也每周都送花给她。14A.lose BhateCmiss Dlove解析：选C老妇人的丈夫去世了，她想念他。15A.turning BgivingCthinking Dgathering解析：选D轮到“我”付钱的时候，她已经付完，在收拾东西。gather up表示“整理”，符合语境。16A.
53、hope BideaCdoubt Dproblem解析：选C根据后文的内容可知，当“我”向她走去的时候，毫无疑问“我”想把花送给她。there is no doubt“毫无疑问”。17A.sold BhandedCbought Dmade解析：选B此处指“我”把花给了老妇人。hand表示“递，给”。18A.wonderful BterribleCstrange Dcold解析：选A她过了一阵子才回过神来。“我”祝她度过一个美好的晚上。19A.cooled BhurtCrecovered Dwarmed解析：选D当“我”看到老妇人在闻这束花时，“我”心里暖暖的。20A.courage Bsurp
54、riseCmoney Dpride解析：选A几年之后，当“我”鼓起勇气向女朋友求婚的时候，她告诉“我”说“我”的这个故事让她决定和“我”在一起。.语法填空(2017昆明高三两区七校模拟调研考试)During a recent Senior Three English lesson, the teacher _1_ (notice) Xiao Ming, a student, busily typing messages on her cellphone. To the teachers surprise, Xiao Ming wasnt just texting her friends the
55、 latest small talk. She was blogging about what she was learning in the classroom, sharing her opinions _2_ her classmates. She said she _3_ (true) enjoyed doing that.The case caused _4_ heated discussion among teachers and students citywide. Miss Li, another English teacher said, “I am amazed at ho
56、w _5_ (create) the students can be when writing on their blogs. To me its a great way for students to improve their writing skills while writing about personal feelings and experiences.” But _6_ made other teachers worried was the blogaddiction which may disturb the students study.A supporter and cl
57、assmate of Xiao Ming said, “We love her blog! We all read it each day and cant wait to see what she writes about next. Many of her _7_ (suggest) on study really help to encourage us. And we can relax _8_ (we) while reading her blog.” Another student blogger admitted that he often works late into the
58、 night, _9_ (write) his blog. He said, “Sometimes I dont even have time _10_ (finish) my homework. I cant help myself. I really have a lot to say.”语篇解读：本文主要讲述了老师和学生对发博客的看法。1noticed通读全文可知，故事发生在过去，故用动词的一般过去式形式。2withshare sth. with sb.意为“与某人分享某物”，为固定搭配，故用介词with。3truly修饰动词应用副词，故用副词truly修饰动词enjoyed。4adis
59、cussion在此处表示具体概念，且第一次在语境中出现，故用不定冠词a修饰。5creativehow修饰形容词或副词。由下文的be可知，此处应用形容词作表语，故用creative。6what空格处引导主语从句，在从句中作主语，表示物的概念，what符合语境。7suggestionsher是形容词性物主代词，修饰名词，故用名词形式。此外，suggestion是可数名词，由Many of可知，应用复数形式。8ourselves由句子主语we可知，此处应用反身代词，表示放松自我。9writingwrite和从句的谓语works之间没有连词，故用非谓语动词。其与主语he构成逻辑上的主谓关系，故用现在分
60、词作伴随状语。10to finishhave time to do sth.意为“有时间做某事”，为固定搭配，不定式作宾语补足语。练(二)第卷强化增分组块专练练规范(限时：45分钟).语法填空(2017兰州、白银市部分学校高三模拟检测)This is a story of a little girl and her grandmother. One day, I was looking for medicine in a store _1_ I saw an old woman with a little girl in her arms. The little girl asked her
61、grandmother, “_2_ do you think about a brand new face cream that is supposed _3_ (reduce) laugh lines？” The grandmother just laughed and said, “Sweetie, I am 80 years old. I _4_ (learn) to love all my laugh lines. I have _5_ (actual) earned every one of them.” Then just to prove her point, she laugh
62、ed again and amused _6_ granddaughter. The laughter of the little girl and the old woman mixed together with a sound _7_ was as musical and beautiful as an angels song.I left the store feeling a lot _8_ (good) about all the laugh lines I had earned in my own life. I remembered all the beautiful face
63、s I had seen _9_ the years. Their beauty is ageless no matter how old they are. May you have a time in your life earning _10_ most attractive laugh lines.语篇解读：小女孩建议自己的奶奶购买消除笑纹的面霜，奶奶回答说，她喜欢自己的笑纹。作者也希望人们能够学会爱上自己的笑纹。1.when when在这里表示“就在这时(突然)”。2What What do you think about sth. ？表示“你认为怎么样？”。3to reduce b
64、e supposed to do sth.意为“应当做某事”，故此处填 to reduce。4have learned/have learnt根据上下文语境可知，奶奶已经学会爱上自己的笑纹，所以用现在完成时。5actually形容词 actual 转换为副词 actually，修饰整个句子。6her根据该句主语 she 可知，应填形容词性物主代词 her。7that/which分析句子结构可知，所填词引导定语从句，先行词是 a sound，关系词在从句中作主语，故用 that/which。8better根据语境以及空前的“a lot”可知，此处应用形容词的比较级，good 的比较级是bette
65、r。9overover the years 表示“历年来，多年以来”。10the形容词最高级前应用定冠词the。.短文改错(2017河南省普通高中毕业班高考适应性测试)Last week I got the first prize in the English Speech Contest held in our school. Which made me very excited. I used to be too shy to speak English in the public. It was Susan who asked me practice several times in h
66、er office and correct my pronunciation and intonation. Beside, she encouraged me to be confident and brave whether I wanted to show my talent before others. I followed her advices. That was why I won the first prize. I am deep moved by what he has done for me. I owe her a thousand thanks with her ki
67、ndness.答案：第二句：WhichIt/That第三句：去掉the第四句：practice前加to; correctcorrected第五句：BesideBesides; whetherif第六句：advicesadvice第八句：deepdeeply; heshe第九句：withfor.书面表达(2017河南省高考适应性测试)手机(cellphone)深刻影响着我们的生活。你校将要举办一场关于手机“为了社交还是反社交？”的讨论。请你参考下面图片以“Cellphones, Social or Antisocial？”为题写一篇英语短文表达自己的观点。写作要点：1.简述手机如何影响人们的日常
68、生活；2表达你的观点并说明原因。写作要求：1.词数100左右；2可以适当增加细节，以使行文连贯。Cellphones, Social or Antisocial? 参考范文：Cellphones, Social or Antisocial?Cellphones, which are now universally recognized as a must, have greatly impacted us. But using our cellphones can have both a social and antisocial effect.We are being social when
69、 we are using our cellphones to connect with others and plan social events. We may be antisocial when we use our cellphones in front of other people. Most people do not realize they are being antisocial when they are using their cellphones around others. Although cellphones can bring us great convenience, we should be wise enough to use them. Anyway, they are invented to make us social, not to keep us away from others.
