1、To be a native English speaker！讓你的英語(yǔ)地道起來(lái)！聽說(shuō)四級(jí)第20單元CommunicationsThe Twentieth Day Unit 203 Learning Goals:Learning objectives: Describe electronic gadgetsUse common terms for popular technologiesMaking mendations.Listening skills: Listening for detailsListening to confirm answers and listening for d

2、ictationIntroduction4 When you want to connect with your friends, How would you try to reach them?iWarm-Up5iWarm-Up Q1. When you lose your way in the forest ,how will you find the way out?6IntroductionQ2. How many electronic gadgets do you know? Q4. How to name those functions in English?Q3. What fu

3、nctions do you require when you go shopping for an electronic gadgets?7iWarm-Up Lets start!IPod?Mp3! IPad? Personal Digital AssistantPPersonalDigitalAssistantMobile phone?You can call it palm pilot8iWarm-UpElectronic-mailShortMessageService1234PersonalDigitalAssistantThird-Generation9Q5. What kinds

4、of technologies do you use every day?Q6. What kinds of electronic gadgets do you often use?iWarm-Up10Introduction Functions/Features of Digital Gadgetsdata bookaddress bookTo Do Listmemo padclockcalculatoraudio capabilitiesaccess the InternetSynchronizationfunctionup-to-datetransfer datagamesSMSdigi

5、tal camaraMMSElectronic mail11iWarm-UpGAME! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.mail Electronic+=D12iWarm-UpGAME! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.PAersonaligitalssistan

6、t ervice13iWarm-UpGAME! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.ShortMessageSD stands for?Electronic mail Service14iWarm-UpGAME! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.E-mail E me

7、ans?ElectronicPDAP stands for?PersonalDigitalA stands for?SMSS stands for?ShortM stands for?MessageAssistantS stands for?Third generation15iWarm-UpGAME! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.GT+=hirdenerationThird generation16iWarm-UpGAME

8、! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.CLiquidrystalDisplayThird generation17iWarm-UpGAME! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.pGilobalositioningSystemC stands for? System18

9、iWarm-UpGAME! Tell me the full name of these common acronyms of technology terms by inspiration of pictures below.3G3 stands for? ThirdLCDL stands for?LiquidCrystalD stands for?GPSG stands for?GlobalP stands for?PositioningDisplayS stands for?G stands for?Generation19 (E-mail)-Electronic mail(PDA)-P

10、ersonal Digital AssistantiWarm-Up20 SMS-Short Message ServiceMMS-Multimedia Messaging Service iWarm-Up21 iWarm-Up LCD-Liquid Crystal Display3G-Third Generation22 GPS-Global Positioning SystemiWarm-Up23 Q6: Do you own a mobile phone,an MP3 player or a PDA? Describe the features of one of these electr

11、onic gadgets that you own.Yes, I have a mobile phone /an MP3 player /PDA. SMS-You can send text messages I can learn something interesting Camera- you can take picturesMMS- It allows you to send and recieve photos and video. Audio capabilities-It allows you to use your PDA as a mobile phoneMedia Pla

12、yer-You can listen to your favourite musicThis_ has many basic features, such as a _, a _, _ and _ so that .It also has.iWarm-Up24iVocabularyPart Two25Useful words and expressions:1. Mobile phone or cell phone is a telephone that you can carry with you and use to make or receive calls wherever you a

13、re2. PDA- Personal Digital Assistant is a handheld computer, used mainly for storing and accessing personal information such as addresses, telephone numbers, and memos.3. Palm pilot is a handheld computer.4. LCD screens is liquid crystal display screen and its display of information on a screen, whi

14、ch uses liquid crystals that e visible when electricity is passed through them.iVocabulary26Useful words and expressions:5. Media player is a term typically used to describe computer software for playing back multimedia files.6. MP3 player is a machine on which you can play music downloaded from the

15、 internet.7. E-mail is a system of sending written messages electronically from one computer to another.8. Web browsers is a program used to view HTML documents.9. Internet: is the network that allows computer users to connect with computers all over the world, and that carries e-mail.10. touch scre

16、en: a computer display that enables the user to interact with the computer by touching areas on the screen.iVocabulary27Useful words and expressions:11. synchronization: the relation that exists when things occur at the same time.12. GPS is an abbreviation for Global Position System and if you were

17、lost, it would come in handy to see a map and where you are.13. SMS is an abbreviation for short message service and its a way of sending short written messages from one mobile phone to another .14. MMS is an abbreviation for multimedia messaging service. You can send and receive photos and video.iV

18、ocabulary28Useful words and expressions:15. 3G is an abbreviation for third-generation and its a system for mobile phones allowing fast connection, internet access , digital photography, graphics transmission and display, and other advanced features.16. hands-free: Its a telephone or other device ca

19、n be used without being held in your hand.17. keyboard: It is the set of keys that you press in order to operate it.18. navigation: the movement of ships as navigation.iVocabulary29Useful words and expressions:20. Virus: A virus is a program that introduces itself into a systerm,altering or destroyi

20、ng the information stored in the systerm.21. worm: A worm is a computer program that contains a virus which duplicated itself many times in a network.22.features:like how much memory and that sort of thing.23.ergonomics: that means how efficient the design is.24.Construction quality: basically how i

21、ts built and how long it might last.iVocabulary30Useful words and expressions before your listening.1.I just want the basics.我只需要些基本功能2.You just sync it with your host computer and you can keep things up-to-date,transfer data ,protect and prevent loss of information. “你只用把它同步你電腦主機(jī)，你可以更新并傳輸數(shù)據(jù)來(lái)保護(hù)數(shù)據(jù)，以預(yù)

22、防數(shù)據(jù)丟失。3.Will that be cash or credit card?您是用現(xiàn)金交費(fèi)還是刷信用卡？iVocabulary31iListen2A: Listening for details- a dialog between a salesclerk and a customer who is looking for a PDA.32iListenC: Listen and complete the sentences from the dialog.33iListen3A: Listen to Erin and Georges conversation.Can you defin

23、e these technology34iListenKate: Hello, Im interested in buying a PDA.Sales clerk: Well, we have many personal digital assistants to choose from. What did you have in mind?Kate: Well, I think I just want the basics. You know, a date book, address book, To Do list, memo pad, clock, calculator.That so

24、rt of thing.Sales clerk: Okay, do you want a color screen? Or audio capabilities. Kate: Why would I want those functions?Sales clerk: Oh, well audio capabilities allow you to use your PDA as a mobile phone. A color screen looks better when you browse the web. You can also use your PDA as a media player to listen to your favorite music.Kate: So, did you say that I can use it to access the Internet?Sales clerk: Thats right. There are models that have lots of functions. Here, let me show you this model.Kate:Hmm nice. And i