Unit 4 Information Technology Lesson 1 （ppt课件） -2023新北师大版（2019）《高中英语》必修第二册.pptx

1、 a digital identity;a digital identity;in computing,in computing,an image an image which which represents you in online games,chat rooms,etc.,and represents you in online games,chat rooms,etc.,and which you can move around the screen using the mouse or which you can move around the screen using the

2、mouse or keyskeysLesson 1 Avatarsa cute animal avatar an avatar in fancy clothesa cartoon character avatar a photo of myselfto express myself freelyto trick othersto create a real/digital identityto avoid online safety risksto protect myselfActivate and shareWhat kind of avatar do you use online?Why

3、 did you choose it?I use a cartoon character avatar instead of a photo of myself to protect myself.Make predictions and write down your questions.AvatarsAvatarsP8-2 Read and explore Meanings History Effect Paragraph 1:When you are online,you can be anyone or anything.You can create your own image an

4、d a new personality.These digital identities,known as avatars,are a key part of how people use the Internet to communicate and express themselves.DefinitionRead and exploreParagraph 2:The first simple 2D avatars appeared in role-playing computer games in the 1980s.Yet,very few people knew that futur

5、e avatars would have such a wide variety of forms and uses.By the late 1990s,they had been used in web chats like instant messenger.HistoryRead and exploreParagraph 3:When people started creating their own avatars,they discovered that they were going to have the power to create new identities that d

6、id not look or act like their real selves at all.They could dress their avatars in fancy clothes,or they could try being someone of the opposite sex,and call themselves“Andy”instead of“Anna”!When Internet users realised that their avatars would be seen by many people,not just their friends,they star

7、ted having more than one avatar:a sensible one for work;a friendly,good-looking one for meeting people;and a silly one for having fun.Avatars let you express yourself and they give you lots of room for creativity.Read and explorePurposes of using avatarsParagraph 4:Of course,the avatar you choose sa

8、ys a lot about your personality.If your blog avatar is a picture of a cute cat,your message is“I like relaxing and having fun”.However,nearly all avatars are tall,young and nice-looking,so people obviously make their avatars look better than they do in real life.They also experiment with things like

9、 different hairstyleswhich says a lot,perhaps,about what they want to look like.Link of avatars and personalityRead and exploreParagraph 5:Nowadays,avatars are everywhere.In most web chats,people choose an avatar from a selection of ready-made images,or create their own images.You can also use avata

10、rs that move around and talk when you type in your message.The avatars in online worlds can talk,walk and fly around,meet people,go shopping and attend classes.Using widely/popularityRead and exploreParagraph 6:The use of avatars has also caused a few concerns.Some users worry that they are spending

11、 so much time in virtual worlds that they are becoming afraid of meeting people in the real world.The use of several avatars can also be a risk,as people can use avatars to cheat others online.However,other users view avatars in a more positive light.They look forward to a time when their avatar wil

12、l act like a real person and travel around bigger,more exciting virtual worlds.Views/Concerns and hopeRead and exploreAvatarsAvatars Details DetailsDefinitionA digital image that represents an Internet user.History1980s Late 1990s Purpose of using avatarsTo express oneself To represent oneself Views

13、Negative Positive The first simple 2D avatars appeared in role-playing computer gamesused in web chats like instant messengerLet you express yourself and they give you lots of room for creativityThey experiment with things like different hairstyles-which says a lot,perhaps,about what they want to lo

14、ok likebecoming afraid of meeting people in the real world.Others view avatars in a more positive light.P104P104Q:What is the purpose目的目的 of the passage?A.To introduce the definition of avatars.B.To express yourself using pictures.C.To introduce the history of avatars.D.To introduce some information

15、 about avatars.Q:What is the text type of the passage?A.Narration(记叙文记叙文).B.Argumentative Essay(议论文议论文).C.Expository Writing(说明文说明文).D.Practical Writing(应用文应用文).精确的精确的合理的合理的逻辑的逻辑的有说服力的有说服力的1.What does the writer mean by“the avatar you choose says a lot about your personality”?Do you agree with the w

16、riter?Give examples to support your opinion.Think and shareBecause most people create avatars that have similar features to their own and that look more or less like them and act like them.So I agree with the author.When I surf the Internet,I tend to create an avatar which is similar to myself in re

17、ality,even if there are slight differences between me and the avatar I created,the features,mostly with bright colors and happy faces are outgoing and interesting just like me.2.Can you give examples of the risks of using avatars?What can you do to prevent such risks?Think and shareUsing avatars mig

18、ht lead to online frauds.For example,you go to a blind date and discover that the person you meet doesnt look like his avatar at all.Worse still,some may even fall for a cute avatar and transfer money to strangers easily.To prevent such things from happening,I tend to chat with people I know in real

19、 life online only.Also,I would be very cautious if the online activity involves any transaction behavior.Some tips to avoid online safety risksGrammarP119 Read the sentences.Write P119 Read the sentences.Write P P below the below the underlinedunderlined parts parts that refer to the past and that r

20、efer to the past and PFPF below the below the underlinedunderlined parts that parts that refer to the future in the past.refer to the future 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 started creating their own avatars,th

21、ey discovered that they were going to have the power to create new identities that did not look or act like real selves at all.3.Many Internet users realised that their avatars would be seen by many people,not just their friends.PPFPPFPPPFThe simple future tensewill/shall dobe going to dobe about to

22、 dobe doingbe to do Grammar:Review FORMUSAGEwill/shall dobe going to dobe about to dobe doingbe to do表示主语计划打算的行动或看来就要发生的事情表示主语计划打算的行动或看来就要发生的事情表示将来发生的动作或出现的状态表示将来发生的动作或出现的状态,shall仅与第一人称仅与第一人称连用连用表示即将发生的动作，一般不带时间副词或短语表示即将发生的动作，一般不带时间副词或短语表示计划或安排好的动作表示计划或安排好的动作(go,come,leave,begin等动词等动词)表示客观上计划或安排好的动作

23、表示客观上计划或安排好的动作c He says that he wont finish his work this afternoon.d We are going to visit the Great Wall tomorrow.a He said that he wouldnt finish his work that afternoon.b Last Sunday we were going to visit the Great Wall,but it rained.Compare the following sentences Past future tenseGroup 1Group

24、 2Something would happen in the future from a past point of view.ABsimple future tenseSomething will happen in the future from a present point of view.过去将来时过去将来时1.概念概念2.结构结构及用法及用法3.形态形态 Grammar:The Past Future Tense(过去将来时)01过去将来时表示从过去某一时间来看，将要发生的动作或存在的状态。02过去将来时常用在主句谓语动词为过去时态的宾语从句/间接引语/虚拟语气中。03过去将来时

25、句子中有时包含时间状语 the next day，the following week，soon等。1.shall/will do2.be going to do3.be to do4.be about to do5.be doing1.would/should do2.was/were going to do3.was/were to do4.was/were about to do5.was/were doing1.would/should +动词原形动词原形，常表示根据计划或安，常表示根据计划或安排即将发生的事。排即将发生的事。should主要用于主语是主要用于主语是第一人称第一人称时；

26、时；would可用于可用于各各种人称种人称。(1)He said he would go to the cinema tonight.(2)Mary told me she would go abroad the next year.(3)I said I should learn French this year.结构及用法结构及用法2.was/were going to +动词原形动词原形，也可表示根据计划或，也可表示根据计划或安排即将发生的事。安排即将发生的事。(1)No one knew when he was going to come.(2)She said she was goi

27、ng to set off at once.(3)I was told that he was going to return home.3.was/were to +动词原形动词原形，按照约定或按职责义务，按照约定或按职责义务要求必须做某事。要求必须做某事。He said he was to arrange his holiday with his older brother in a week.4.was/were about to +动词原形动词原形,表示即将要发生的动作表示即将要发生的动作,不与表示时间段的状语连用。不与表示时间段的状语连用。(1)The bus was about t

28、o start.(2)Colin was about to get off the camel when a child ran towards him.5.was/were on the point of doing：表示表示“正要正要时时”。He was on the point of saying something when the phone e,go,leave,arrive等动词等动词可用可用过去进行时过去进行时代替过去将来时。代替过去将来时。7.条件状语从句和时间状语从句条件状语从句和时间状语从句中的动词须用中的动词须用一般过去时一般过去时代替过代替过去将来时。去将来时。(1)He said the train was leaving at six the next morning.(2)She told me she was coming to see me.(1)I didnt know when she would come,but when she came I would let you know.(2)The teacher said that it would be very difficult to make progress if I didnt work hard.