2016_2017学年高中英语Unit3ComputersSectionⅢLearningaboutLanguage
2016-2017学年高中英语 Unit 3 Computers Section Ⅰ Warmi
Section ⅠWarming Up & Reading(Ⅰ) — ReadingThe narrator, a computer, tells us about its development from a calculating machine to a PC and a laptop and how it is used in different fields.语篇提能5．A.knocked up B．turned upC．picked up D．put up6．A.wallet B．ticketC．bill D．change7．A.expect B．allowC．recommend D．instruct8．A.determine B．destroyC．exchange D．create9．A.return B．lineC．vain D．advance10．A.displaying B．sharingC．planning D．arranging11．A.encouragement B．commentC．conclusions D．questions12．A.easy B．emptyC．happy D．busy13．A.considered B．continuedC．stopped D．enjoyed14．A.telephoned B．emailedC．read D．searched15．A.respect B．mercyC．response D．direction16．A.gradually B．strangelyC．carefully D．suddenly17．A.birth B．endC．trouble D．prize18．A.live B．waitC．work D．hunt19．A.book B．letterC．email D．note20．A.even B．neverC．nearly D．always答案：作者一开始非常崇拜Jack Canfield，终于有机会有了他的邮箱，然后就给他发电子邮件，但是由于忙其他事情，有段时间就停止给他写电子邮件了。
高中英语_Unit3《Computers》讲解
common, ordinary和usual的区别:
• common 指“共有的，公共的；共同的； 共有的，公共的；共同的； 常见的” 例如： 常见的”。例如： • common作“普通的”讲可与 换用。 作 普通的”讲可与ordinary换用。 换用 普通人”也可说成common people。 如“普通人”也可说成 。 • ordinary 意为“普通的，平淡无奇的”， 意为“普通的，平淡无奇的” 指没有什么特别的地方。例如： 指没有什么特别的地方。例如： • usual 意思是“平常的，通常的，一向的”， 意思是“平常的，通常的，一向的” 含有遵循常规的、习惯性的、一贯如此的 含有遵循常规的、习惯性的、 常规的 意思
What’s next?
work for us in Mars(火星 火星) 火星
carry things
work in wars (战斗 战斗) 战斗
仿真机器人
entertainment
娱乐 What do you think will be the next development?
some hardware:
Who am I?
telephone
Heavy! Difficult! Hard! Tired!
1. Easy! 2. Fast! 3. Free!
camera
monitor
screen
host computer speaker keyboard mouse
What do they have in common?
begin as
作为…开始
1.begin with sth 以做某事开始 • konwledge begins with practice. 2.to begin with 首先，在开始 首先， • we can't go.To begin with ,it 's too cold. Besides,we 've no money.
2016春高中英语 Unit 3 Computers Section Ⅰ Warming Up,Pre-reading,Reading
译文:黑客通常是一个会用电脑语言来编写软件程序的人。 剖析:本句是一个复合句,其中who引导的是一个定语从句,修饰a person。
became interested in science.
From then on
(从那时起)
he did his best to learn about science.His goal
(目标) is to
fly to Mars and
explore (探索) it.Though he faces different
(解决) the problem.
2.—What do you think of the plan?
— Personally
(就个人而言),it’s not a good one.
3.—He is kind to others.
—That’s right. As a result
(结果),others are kind
电脑在我们的日常生活中起着重要的作用,因此我们应该了解一 些电脑词语。这篇文章会告诉你几个电脑词语。
词海拾贝 难句剖析 理解诱思
Computer technology has become a major part of people’s lives.This technology has its own special words.One example is the word “mouse”.A computer mouse is not a small animal that lives in buildings and open fields.It is a small device① that you move around on a flat surface in front of a computer.The mouse moves the cursor② on the computer screen.
2016-2017学年高中英语Unit3Computers单元综合测评新人教版必修2
Unit 3 ComputersⅠ.阅读理解(共15小题；每小题2分，满分30分)A(2016·广东普宁华侨中学检测) In a great many cities, hundreds of people ride bikes to work every day. In New York, some bike riders have even formed a group called Bike for a Better City. They declare that if more people rode bikes to work, there would be fewer automobiles in the downtown part of the city and so less dirty air from car engines.For several years, this group had been trying to get the city government to help bike riders. For example, they want the city to draw special lanes(车道) for bikes on some of the main streets, because when bike riders must use the same lanes as cars there are accidents. Bike for a Better City feels that if there were special lanes, more people would use bikes.But no bike lanes have been drawn. Not everyone thinks it is a good idea—they say it will slow traffic. Some store owners on the main streets don't like the idea —they say that if there is less traffic, they will have less business.The city government has not yet decided what to do. It wants to keep everyone happy. On weekends, Central Park—the largest place open ground in New York—is closed to cars, and the roads may be used by bikes only.【语篇解读】本文介绍了一个倡导骑自行车的组织Bike for a Better City，他们要求市政府在一些主要街道上画出专门的自行车车道，来减少交通事故和污染。
高中英语_Unit3《Computers》reading
Charles Babbage 1800s analytical machine
3. Who was the next important person to design computers?
Alan T Turing 1836 universal machine Charles Babbage 1800s analytical machine
Role-play
Suppose you are a reporter. Now you are interviewing Mr. / Miss Computer. Sample questions: …… What do you like to eat? What are your hobbies? What is your newest function(功能 功能)? 功能 Can you say something about your future plan? etc.
1936
WhatTuring wrote a bookthe text? how Alan is the order of to describe
1970s Computers were brought into people's homes． ． now Computers connect people all over the world
The history of computer calculating machine analytical machine universal machine
Charles Babbage
The “father” (inventor) Alan Turing PC (desktop /notebook) artificial intelligence
高中英语《Unit 3 Computers》优质课教案、教学设计
Unit 3 ComputersReading教学设计教学目标In this class, you are supposed to...1.learn the development of computer2.m aster the reading skills of exposition (说明文)writing, such as skimming, scanning and getting the main idea of the passage3.describe the computer in the futureUseful phrases课前预习案1.calculating machine 3.analytical machine2.simplify4.c ard with holes5.t echnological revolution6.artificial intelligence7.universal machine 8.transistor9.memory work 11.World Wide Web Period 1 Fast-reading课中探究案Task1 Reading for important information1.Look through the passage to find out who the speaker is.2.W hich type / style does the text belong to ?A. Description(描写)B. Narration(叙述)C. Exposition(说明)D. Argumentation(议论)Task2.Find the topic sentence of each paragraph and underline them. Para 1Para 2Para 3Find the key words in each topic sentence and summarize the main idea.The main idea of the passage isTips: A topic sentence is usually the sentence or the sentence of a paragraph. A topic sentence summarizes(总结) the main idea of a paragraph.Period 2 Detail-readingTask1. Read the whole text，and finish the 3 mindmaps.（细读全文完成三张思维导图）Task 2. ExplorationQuestion：How does the article develop?A. by comparison (对比)B. by spaceC. by timeD. by examplePeriod 3 PracticeTask1 .Listening and speakingListen to the tape and complete the short passage(根据听力材料，完成本文缩写短篇）Over time, I have been changed quite a lot. I began as a calculating machine in France. And it took nearly 200 years before I (build) as an analytical machine. After I was programmed by an operator, I could “think”. By the 1940s, I had grown a room. As time went by, I was made smaller.These changes only became possible as my memory . First it was stored in Tubes, then on transistors and later on very small . In the early 1960s, I was able to share my knowledge others through the World Wide Web.Since the 1970s many new applications (find) for me. Anyhow, my goal is to provide humans with a life of .Task 2. Mini-writing 科普知识与现代技术——电脑1.近来，高智商的机器人出现了。
高中英语 Unit 3 Computers Section Ⅲ Learning about La
（浙江专版）2018版高中英语Unit 3 Computers Section ⅢLearning about Language &Using Language 学业分层测评新人教版必修2编辑整理：尊敬的读者朋友们：这里是精品文档编辑中心，本文档内容是由我和我的同事精心编辑整理后发布的，发布之前我们对文中内容进行仔细校对，但是难免会有疏漏的地方，但是任然希望（（浙江专版）2018版高中英语Unit 3 Computers Section ⅢLearning about Language &Using Language 学业分层测评新人教版必修2）的内容能够给您的工作和学习带来便利。
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Unit 3 Computers Section Ⅲ Learning about Language &UsingLanguageⅠ。
单句语法填空1．By the time I got to the school,the bell （ring)．2．When （ask) why he was late，he kept silent。
3．He must have come from Africa， he is black.4．He signaled to the waiter bring the bill.5．No doubt he means to help,but in fact he just gets in way.6．Some risks arise changes in the environment。
高中英语Unit3Computers单元重点小结课件新人教版必修
重点词汇 重点句型 重点语法 交际功能 走近高考 拓展阅读
1.I developed very slowly and
it took
nearly
two hundred years before I was built as an analytical machine
by Charles Babbage.
signal sb to do sth
示意某人做某事
例如:The policeman signaled me to stop the car.那位警察示意我停车。
重点词汇 重点句型 重点语法 交际功能 走近高考 拓展阅读
6.in a way 在某种程度上 in the way挡路;in one way or another用这样或那样的方式;on the/one’s way to在去……的路上;in this way用这种方法;by the way 顺便说
I
have been used
in offices and homes by the
people since 1970s.
3.They have found many new applications for me since the 1970s.
Many new applications
have been found
的女孩打交道。
重点词汇 重点句型 重点语法 交际功能 走近高考 拓展阅读
9.watch over看守 watch out当心;注意 watch out for提防……;注意…… watch for 小心 例如:The woman was watching over his child.那个妇女正在看护着 自己的孩子。
高中英语真题：Unit3Computers_35
Unit3ComputersMost kids have cellphones or tablets (平板) and are texting or using social media all the time. Experts say that parents should use apps to watch out for their childre n's online activity.According toa survey, 70 percent of U．S. teens carry cellpho nes, and Russ Warner, the CEO of Net Nanny, is in the busin ess of protecting kids online. His best advice to parents is to k now what is out there and to plan in advance.“Put a plan into place because kids like to feel protected，” W arner said. “They like to feel like Mom or Dad is helping.”According to another study, almost 90 percent of children hav e seen cyber bullying (网络欺凌) in the last year. However, Warner said only 50 percent of parents talk with kids about avoiding these experiences.“That means the other half don't and that's a problem，” he s aid.Warner often speaks to parent groups concerned about keepi ng their teens safe, “Oftentimes (时常地) if we can't control or we don't understand something, we a void it and we can't do that anymore.”He said parents need to talk to their children about online dan ger, and then they need to use safety software. Parents shoul d know who is trying to communicate with their children and w hat they are watching online.Warner added parents also need to understand phone setting s (设置). iPhone settings come with restrictions (限制) that are easy to set. Parents can enable restrictions with a code that they know, and their child does not. Parents can al so set phones to not allow apps to be downloaded without a p asscode.Section_ⅠWarming Up & Reading — Prereadings I had grown as large as a roo m⑮， and I wondered if I woul d grow any⑯ larger. However, this reality⑰ also worried my d esigners. As time went by⑱，I was made smaller. First as a PC (personal⑲ computer) and then as a laptop, I have been u sed in offices and homes since the 1970s.我是谁？[第1段译文]经过一段时间我已经被改变了很多。
2016-2017学年高中英语Unit3ComputersPeriodⅢLanguagePoints
Period ⅢLanguage PointsⅠ.语境填词1．A____________，I will never give up.2．The flowers look true，but they are a________ in fact.3．High science and t__________ leads to fast development of economy.4．Many new a__________ have been found for computers since the 1970s.5．Our team won the game by two g________ to one.6．This dictionary tries to ________(简化)the meanings of words.7．The employees must pass an ________(智力)test before being hired by the boss.8．You’d better hand your paper to him __________(亲自)．9．A ________(完全地) blind man can see nothing.10．One day，I’ll ________(探测) the surface of the moon.Ⅱ.完成句子1．时间一年年过去，老人越来越孤独。
As the years __________，the old man became ____________ lonely.2．司机的粗心驾驶导致了这次车祸。
The driver’s carelessness __________ the accident.3．在老师的帮助下，他的英语学习取得了很大的进步。
______________ his teacher，he made great progress in his English study.4．从现在起你可以独立工作了。
高中英语 Unit 3 Computers Section
感顿市安乐阳光实验学校Unit 3ComputersSection ⅢGrammar课后篇巩固提升一、单句语法填空1.In the last few years thousands of films(produce) all over the world.2.Following his recent rise to fame,Rizea (ask) by many cities,including the capital of Romania to transform their old tree trunks into works of art.3.After getting lost in a storm,a member of the navy team (rescue) four days later.4.Housework is a frequent source of argument between lazy husbands and their hard-working wives,but women (warn) not to expect men to do equal housework any time soon.5.Debbie (not allow) to drive for six months.6.If Justin (take) away by aliens too,I hope they will return him soon.7.The world record (break)for many times by Chinese.8.The workman (just interview) by the engineer,who was pleased to see him.9.The house (not paint) for years.10.Shakespeare’s play Hamlet(make)into at least ten different films over the past years.11.—Will you attend the meeting this afternoon?—But up till now I (not tell)anything about that.12.A lot of high-rise buildings (put) up in the business district already.13.—How long you (employ) as a firefighter?—Since 1990.14.Unfortunately,with the development of industrialization,the environment (pollute).15. A bedroom,after all,is a very private space,in which some woman I don’t even know (immortalize).二、将下列句子变为主动语态1.The room has been booked by Tom.2.So far about 40 works of art have been created by him in the local parks.3.The animals’ habitat in Antarctic has been seriously affected by tourism.has seriously affected the animals’ habitat in Antarctic.works and processes have been limited to one factory by them since then.have limited networks and processes to one factory since then.三、使用被动语态完成句子1.(许多树已经被种植) behind his house.2.The important problem(已经被讨论一周了).3.Table tennis(长期受到称赞) for its ability to improve attention and concentration.4.No book(被人买过) since last week.5.Many new buildings(在过去的十年中被建造起来).6.His father left home in 1998,and(从那以后再也没有收到过他的消息).7.For some reason I(总是被吸引) to older people much more than children.8.A new hospital (已被建起) in what wasa wasteland.9.Throughout history,different man-made languages(已经被发明).10.How many times have you (被告知) not to play with fire?四、阅读理解(2019全国Ⅰ)As data and identity theft becomes more and more common,the market is growing for biometric(生物测量) technologies—like fingerprint scans—to keep others out of private e-spaces.At present,these technologies are still expensive,though.Researchers from Georgia Tech say that they have come up with a low-cost device(装置) that gets around this problem:a smart keyboard.This smart keyboard precisely measures the cadence(节奏) with which one types and the pressure fingers apply to each key.The keyboard could offer a strong layer of security by analyzing things like the force of a user’s typing and the time between ke y presses.These patterns are unique to each person.Thus,the keyboard can determine people’s identities,and by extension,whether they should be given access to the computer it’s connected to—regardless of whether someone gets the password right.It also doe sn’t require a new type of technology that people aren’t already familiar with.Everybody uses a keyboard and everybody types differently.In a study describing the technology,the researchers had 100 volunteers type the word “touch” four times using the sma rt keyboard.Data collected from the device could be used to recognize different participants based on how they typed,with very low error rates.The researchers say that the keyboard should be pretty straightforward to commercialize and is mostly made ofinexpensive,plastic-like parts.The team hopes to make it to market in the near future.1.Why do the researchers develop the smart keyboard?A.To reduce pressure on keys.B.To improve accuracy in typing.C.To replace the password system.D.To cut the cost of e-space protection.根据第一段描述及第二段第一句“Researchers from Georgia Tech say that they have come up with a low-cost device that gets aroundthis problem: a smart keyboard.”可知,研究者研发了智能键盘是为了降低电子空间保护的成本。
2016-2017学年高中英语Unit3ComputersPeriodⅠVocabulary练习新人
Unit 3 ComputersPeriod ⅠVocabularyⅠ.语境填词1．You’d better c________ how much time the assignment will take.2．Please help me to s________ the problem.I can’t work it out.3．Can you tell the differences between animals and the human r________ ?4．The manager received fifteen __________(申请) for the position.5．His life ________(目标) is to serve the people.6．Science and __________(技术) plays a very important role in the modern world.Ⅱ.以义思词1．________ v．：to use numbers to find out a total number2．________ adj.：true or right at all times and in all places3．________ adj.：seeming natural，reasonable or sensible4．________ n．：scientific knowledge used in practical ways in industry5．________ n．：an attempt to change the government of a country by a large number of people6．________ adj.：made or produced to copy sth. natural，not real7．________ n．：the ability to learn，understand and think in a logical way about things8．________ v．：to find a way of dealing with a problem9．________ n．：a formal request for sth.，the practical use of sth.10．________ n．：a movement or sound that you make to give sb. information or a warningⅢ.同义词替换1．He made one big mistake and because_of_that he lost his job.____________ 2．The programme has been organized_in_such_a_way_that none of the talks overlap.____________3．In_some_ways it was one of our biggest mistakes.____________4．Her_family_and_friends_helped_her_ to stopped smoking.She stopped smoking _______________ her family and friends.5．He is good at solving problems.____________6．Yo u can’t get in because the police are guarding the whole place.____________ 7．These ideas will be carefully_examined in more detail in chapter 7.____________ 8．I’m afraid we can’t come，but even_so，thanks for the invitation.____________ 9．Money for education comes from taxpayers.____________10．We keep them informed of any changes as they happen.____________Ⅳ.选词填空consist of;give away;make up;watch over;after all;deal with;personal;in a way;arise;signal1．The driver hurt in the accident ______________________ in hospital all the time by the doctor yesterday.2．Sue tried to smile，but her voice ________ her ________.3．He ______________ the foreign company for a long time.4．When he closes his book，it’s a ________ for everyone to stand up.5．The committee __________ ten members.6．As we sped down the highway，the lights of the city ________ before us.7. ________，I don’t see much difference between the two.8．Your composition is well done __________.9．Hard work can __________ for the lack of intelligence.10．He should help her, __________ he is her father.Ⅴ.单项填空1．—I am sorry I didn’t do a good job.—Never mind.________，you have tried your best.A．In all B．Above allC．After all D．First of all2．There aren’t________many nurses to care for ________ li ttle children.A．such；such B．so；soC．so；such D．such；so3．This is the point where the difference________.A．rises B．raisesC．arises D．happens4．I can’t tell you the exact time when I will get there，maybe at eight or nine or later. ________，I’ll be there as early as I can.A．However B．AnyhowC．Wherever D．Therefore5．Great as Newton was，many of his ideas________today and are being changed by the work of scientists of our time.A．are to challenge B．have been challengedC．may be challenged D．are challenged6．—Sorry，I got a bad cold yesterday.—Every time you are absent，you________an excuse.A．take up B．give upC．send up D．make up7．—I bought a new PC yesterday.—Oh，________A．How do you like it?B．Thank you so much.C．Why do bad things happen to good people?D．I really have no idea.8．________speaking，a person must care much about his________，because it is not only a personal thing，but also a social one.A．Personal；personalityB．Personally；personalityC．Personally；personalD．Personally；personal9．The windows are too small________enough light and fresh air into the room.A．to admit B．to be admittedC．for admitting D．for being admitted10．Although different in many ways，the British and the Americans________many of the same customs.A．make B．takeC．share D．give11．—Do you know the girl in red?—She seems to________me at last month’s party.But I’m not sure.A．introduce toB．be introducing toC．be introduced toD．have been introduced to12．—Could you tell me the way to ________ Johnson’s，please?—Sorry，we don’t have________ Johnson here in the village.A．the；the B．the；aC．/；the D．the；/13．—Do you know why they organized the club?—No，________to know about it.A．nor I want B．nor do I wantC．I nor want D．I want either14．The reason ________he is unhappy is ________ he has failed the exam.A．which；because B．for that；thatC．why；that D．for；because15．He knows very well________to deal with men but when he meets women，he doesn’t know ________ to do.A．what；how B．what；whatC．how；what D．how；howUnit 3 ComputersPeriod ⅠVocabularyⅠ.1.calculate 2.solve 3.race 4.applications5．goal 6.technologyⅡ.1.calculate 2.universal 3.logical 4.technology5．revolution 6.artifical 7.intelligence 8.solve9．application 10.signalⅢ.1.as a result 2.so organized that 3.In a way4．with the help of 5.dealing with 6.watching over7．explored 8.anyhow 9.finance 10.ariseⅣ.1.was being watched over 2.gave；away3．has dealt with 4.signal 5.consists of 6.arose7．Personally 8.in a way 9.make up 10.after allⅤ.1.C[after all “毕竟；别忘了”，引起对方注意。
高中英语 Unit 3 Computers Section Ⅲ Usin
感顿市安乐阳光实验学校Section Ⅲ— Using Language,Summing Up & Learning Tip一、选词填空watch over in a way with arise deal with1 this is the biggest mistake we have made.答案In a way2—Why is your grandma so worried?—Because she doesn’t know how to her online shop. 答案deal with3I managed to make myself understood the help of a phrase book.答案with4Can we begin by discussing matters from the last meeting?答案arising5They stood there and opened their eyes wide,what was going on.答案watching over二、单句改错1Do you want to join a android football team?答案a→an2He has learned to signal to my teammates with computer language.答案with→in3Under the help of him,I understood I had to work hard.答案Under→With4Do you know what he will deal with his enemy?答案what→how或deal→do三、完成句子1最初雇门卫是为了看护正在修建的房子。
The guards were originally hired to the houses as they were being built.答案watch over2在他的帮助下,王丽按时完成了工作。
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Unit 3 ComputersSection ⅢLearning about Language & Using Language Ⅰ.单句语法填空1．I wish to work in my own________(personally) company in the future.答案：personal2．If the opportunity________(arise)，I’d love to go abroad for further study.答案：arises3．In many people’s opinion，that company，though relatively small，is pleasant________(deal) with.答案：to deal4．—I think he is taking an active part in social work.—I agree with you________a way.答案：in5．Professor Smith is so busy with the research________ he has no time left for any other activity.答案：that6．With more and more forests ________(destroy)，many animals are facing the danger of dying out.答案：destroyed7．I’m trying to make ________the time I lost while I was sick.答案：up8．In order to make sure that his children were safe while playing on the beach，he kept ________(watch) over them all the time.答案：watching9．We were talking about the TV play，and his sudden________(appear) stopped our conversation.答案：appearance10．The boy is running impatiently here and there as if________(search) for something lost on the sports ground.答案：searchingⅡ.阅读理解AIt started as a special day for Wesley Autrey，a 50yearold construction workerin New York City.It was about 12：45 PM，and he was waiting on a subway platform (月台) to take his daughters home before he went to work.He suddenly noticed a man nearby have convulsions (抽搐) and fall down suddenly.Mr Autrey and two women went to help the stranger.The man，Cameron Hollopeter，managed to get to his feet，but then stumbled (绊倒) at the edge of the platform and fell onto the subway tracks.Mr Autrey looked up and saw the lights of the subway train coming near through the tunnel.Mr Autrey jumped onto the track immediately.He realized that he didn’t have time to get Mr Hollopeter and himself back up on the platform before the train arrived，so he lay on top of the man and pressed down as hard as he could.Although the driver tried to stop the train before it reached them，He couldn’t.Five cars passed over them before the train finally stopped.The cars had passed only inches from his head.New York loves a hero.Mr Autrey became an overnight hero and was named the “Subway Superman”．New York City Mayor Michael Bloomberg gave him the Bronze Medallion，the city’s highest honor.He was asked to appear on several TV talk shows.He was also rewarded with money and gifts，such as $10,000 from Donald Trump，a $5,000 gift card from the Gap clothing store，a new Jeep，and Beyonce concert tickets.How did Autrey react (反应) to all this？He said，“I don’t feel like I did anything great；I just saw someone who needed help.I did what I felt was right”．语篇解读本文是记叙文。
文章介绍了Wesley Autrey奋不顾身救人的壮举。
1．Which of the following can best describe Mr Autrey?A．Smart. B．Shy.C．Strong. D．Brave.解析：推理判断题。
根据第二段描述Autrey面对飞驰的列车，毫不畏惧地救人可知，他很勇敢。
答案： D2．Facing the praise and rewards，Mr Autrey was________.A．quite Calm B．very proudC．rather satisfied D．really surprised解析：推理判断题。
根据最后一段可知，Autrey认为只是做了自己认为对的事情，因此面对那些赞扬和奖励，他很平静。
答案： A3．What would be the best title for the text?A．A good fatherB．A subway supermanC．A Beyonce super fanD．A construction worker解析：标题归纳题。
本文主要介绍了Wesley Autrey在地铁站奋不顾身救人的壮举，由第三段的an overnight hero and was named the “Subway Superman”可知，B项最符合本文主旨。
答案： B4．How does the author develop this text?A．By following the order of time.B．By following the order of importance.C．By expressing different opinions.D．By interviewing different people.解析：写作手法题。
作者描述了事故的开始和过程、事后人们的评价以及Autrey对大家评价的反应，故本文是按照事情发展的时间顺序写作的。
答案： ABThe idea behind Facebook is to make us feel connected all the time.But in my research，I’ve found that the truth is quite different.Technology，it turns out，has made being alone seem like a problem that needs solving.When young people are alone，even for a minute or two，they feel the need to connect，to get on Facebook or some other social networks and chat.But in connecting，they often end up feeling more isolated.Why？Because by being in constant (不断的) connection，they lose the ability to feel satisfied with their own company (独处)．Facebook can help us keep in touch with our friends，but we too often use it instead of spending facetoface time with them.And since we feel the need t o keep up with them online，we don’t have moments of loneliness where we can collect our thoughts and learn how to be comfortable being alone.—Sherry Turkle，ProfessorFacebook connects more of us to more of our friends and family in more places than we have ever been connected before.Yes，Facebook is a huge time sink—maybe the biggest ever.Many people post useless stuff.And seeing too much of your friends’ lives can make you jealous (嫉妒的)，but it won’t make you lonely.Jane，a former student of mine，who is back in New York after living abroad for ten years，told me that Facebook helps her a lot.The first time she moved back to New York from abroad，She felt disconnected from her family and friends.Now，because of lots of photos and information updates (更新)，she knows what is happening with her friends all the time.In fact，if you are lonely in real life，you will be lonely online as well.—Sree Sreenivasan，Chief Digital Officer语篇解读本文是议论文。