1、Information TechnologyUnit 4Lesson 1Part 1Lead inLead inDo you use these apps in your daily life?.Lead inWhat kind of avatar do you use online?.Lead inWhy did you choose it?.Lead inWhat is an avatar?a digital identity; in computing, an image which represents you in onlion games, chat rooms, etc., an
2、d which you can move around the screen using the mouse or keysPart 2Words and ExpressionsWords and Expressionsimage/md/n. 图像；形象e.g. I had a mental image of what she would look like.Words and Expressionsfancy/fnsi/adj. 花哨的；别致的e.g. Hes always using fancy legal words.Words and Expressionstricky/trki/ad
3、j. 棘手的；狡猾的e.g. It was a tricky problem but I think weve licked it.Words and Expressionsidentity/adentti/n. 身份；特征e.g. The police are trying to discover the identity of the killer.Words and Expressions2D (2-dimensional) /damennl/adj. 二维的e.g. 2-dimensional structure of solar wind speed on the source su
4、rface.Words and Expressionsvariety/vrati/n. 多样化，变化e.g. He resigned for a variety of reasons.Words and Expressionsinstant/nstnt/adj. 即时的；立刻的，马上的e.g. She took an instant dislike to me.instant messenger 即时通讯Words and Expressionssex/seks/n. 性别e.g. How can you tell what sex a fish is? Words and Expressio
5、nssensible/sensbl/adj. 朴素实用的；明智的e.g. Shes a sensible sort of person.Words and Expressionscreativity/krietvti/n. 创造力；独创性e.g. There may be a link between madness and creativity.Words and Expressionsblog/bl/n. 博客；网络日志v. 发表博客e.g. And she started to write a blog against the Taliban. Words and Expressions
6、obviously/bvisli/adv. 明显地；显而易见地e.g. He was obviously drunk.Words and Expressionsexperiment/kspermnt/vt.&vi. 做实验n.实验e.g. Many people do not like the idea of experiments on animals.Words and Expressionsnowadays/nadez/adv. 现今；现时e.g. Nowadays most kids prefer watching TV to reading.Words and Expressions
7、hairstyle/hestal/n. 发型；发式e.g. Your hairstyle is the style in which your hair has been cut or arranged.Words and Expressionsselection/slekn/n.供选择的同类物品；选择e.g. The final team selection will be made tomorrow.Words and Expressionstype/tap/e.g. There are three main types of contract(s).vt.&vi. 打字n. 类型，种类W
8、ords and Expressionsconcern/knsn/n. 担忧，忧虑vt. 与有关e.g. Dont interfere in what doesnt concern you.Words and Expressionsvirtual/vtul/adj. 虚拟的；模拟的e.g. New technology has enabled development of an online virtual library.Words and Expressionscheat/tit/vt. 欺骗；欺诈e.g. He cheated his way into the job.Words and
9、 Expressionsview/vju/vt. 看；把视为e.g. When the car was first built, the design was viewed as highly original.Part 3Reading comprehensionRead and thinkBefore reading, you can predict these questions:1. What is the definition of avatars?2. When was the first avatar invented?3. What are some interesting a
10、vatars or some interesting stories about avatars?4. What is the function of avatars now？5. Whats the relationship between ones avatar and his/her personality?6. What influences us to choose or change our avatars?7. Will avatars play a more and more important role?Read and thinkThe avatar you choose
11、says a lot about you. The article will help you understand your choice of avatars better.definitonRead and thinkHIstorysth. interesting about avatarsPurposeRead and thinkFunctionPurposeRead and thinkconcerns and hopeRead and thinkRead again. Complete the information below.The first simple 2D avatars
12、 appeared in role-playing computer games.Avatars were being used in web chats like instant messenger.The avatar you choose says a lot about your personality and avatars let you express yourself.People spend so much time in virtual worlds that they are becoming afraid of meeting people in the real wo
13、rld.People look forward to a time when their avatar will act just like a real person and travel around bigger, more exciting virtual worlds.Avatars give you room for creativity. People can create avatars and creat new identities that do not look or act like their real selves.Read and thinkPair work.
14、 Ask and answer questions about avatars using the information in Activity 4. Then introduce avatars to your partner.1. What is an avatar?2. How have avatars developed over decades?An avatar is the digital identity you use online.The first simple 2D avatars appeared in role- playing computer games in
15、 the 1980s. By the late 1990s, they has been used in web chats like instant messenger. Nowadays, avatars are everywhere.Read and think3. How do people use avatars?4. What are peoples views on the use of avatars?People use avatars to express themselves. They use avatars to create new identities that
16、do not look or act like their real selves. People also use avatars to represent themselves. They use or create avatars that look more of less like them and act like them.Some users worry that theyre spending too much time in ritual worlds and the use of several avatars can also be a risk. Others vie
17、w avatars in a more positive light. They look forward to a time when their avatar will act like a real person and travel around bigger, more exciting virtual worlds.Show time!Read and thinkFocus on language digital identities _a selection of _creat your own images _express yourself _room for creativ
18、ity _a few concerns _in virtual worlds _a source of risk _cheat others online _in a positive light _数字身份的选择 创作你自己的图像表达自我创造空间一些疑虑在虚拟世界中风险的来源 在网络上欺骗他人以积极的态度Focus on language Read the sentences. Write P below the underlined parts refer to the past and PF below the underlined parts that refer to the fut
19、ure in the past.1. Yet, very few people knew that future avatars would have such a wide variety of forms and uses.2. When people stared creating their own avatars, they discovered that they were going to have the power to create new identities that did not look or act like their real selves at all.3
20、. Many internet users realised that their avatars would be seen by many people, not just their friends.PPPPFPPFPF过去将来时：表示就过去某一时间而言，将来某一时刻或某一段时间正在进行的动作。Focus on language 结构：When you asked Li Lei for help, he would never refuse you. He said that I was going to be sent to meet her at the railway statio
21、n.The building was to be completed next month. He was about to have lunch when the bell rang. (1) would + 动词原形。(2) was / were going to + 动词原形。(3) was / were to + 动词原形。(4) was / were about to + 动词原形。Focus on language Have a try! Complete the sentences talking about the future in the past.1. In the 19
22、90s, few people knew that .2. When computers were invented, it was believed that.3. In the past few years, users of smartphones realised that.4. The conveniecnce of the Internet made Internet users discover that .5. When avatars first appeared in the 1980s, few people believed that.Express yourself Pair work. Create your own avatar. Introduce it to your partner. What does it look like? Why did you decide to create it this way? Where would you use it?Part 4HomeworkHomeworkRecite the key words, expressions and grammar.Review the whole text and finish the task below.
