2. Unit 23 Lesson 90,91 Telephones Mobile phoneOrdinary phoneCordless phone

3. Listening A. Multiple Choice ( Telephones) 1.When you speak into the telephone, the waves of your voice are turned into. a. electrical sounds b. electrical signals c. light signals 2. The handle of and old telephone was used for. a. producing enough electricity to make a call b. connecting with another telephone c. Getting better electrical signals b a

4. 3. The job of an operator is. a. to wind the handle for customers and charge the phone calls. b. to connect the two numbers, to time and charge the phone calls. c. to mend telephones and telephone wires. 4. can be used to send telephone signals over long distances by satellite. a. Sound waves b. Water waves c. Radio waves b c

5. B. Translation (The Telephone in the Office) 1. Conference calling: 2. Dialling: 3. Redirection: 4. Call waiting: 电话会议 缩位拨号 呼叫转移 呼叫等待

6. C. Fill in the Blanks (Mobile Phones) A mobile phone has no and can be put in your pocket or bag. If you need to someone.you just press the numbers and the phone will you to the right number. You can take it with you you go. A cordless phone is very. You can walk to a part of your office to check the information without putting the phone down. Another new model has lately been developed for business people. The phone has a small. The phone recognized the name when you say it and then the correct number. wires ring connect wherever useful distant computer dials

7. Reading (Questions) 1. Why were telephones not popular at the beginning? -----Because it was difficult to hear people over long distances. 2. Why were telephones expensive at the beginning? -----Because the wires were thick, heavy and expensive. 3. Why did you have to wind the handle before making a call? -----Because this produced enough electricity to make your call. 4. What did the telephone operator do? -----He connected the 2 numbers and made a note of the length of the telephone call and the charge.

8. 5. How was one telephone connected with another in the past? -----the sound waves of your voice electrical signals sound. 6. How is one telephone connected with another today? -----voice electrical signals light signals electrical signals sound. 7.What’s the main features of these 3 phones respectively? a. mobile phone b. cordless phone c. new model -----no wires, smart, easy to take with -----no wires, useful in the office and factory -----has a small computer, sound-dialling

9. Language Points 1.get weaker and weaker get (link. V) (become) weaker and weaker 做表语 “ 比较级＋ and ＋比较级 ” 表 “ 越来越．．． ” eg. When summer comes, the days get longer and longer. 当夏天来了，白天越来越长． My friend Mary is becoming more and more interested in Chinese food. 我的朋友玛丽正越来越对中国食品感兴趣了．

10. 2. in order that 连词词组 表 “ 以便，为了 ” 连接一个表目的的状语从句 可放句前，也可放句后 ＊ so that 只能放主句后 eg. In order that it might not cause trouble, both sides discussed the agreement seriously. 为了不致引起麻烦，双方对协议书进行认真的讨论． He gave the government a million dollars in order that it might start the project. 他捐给政府一百万美元，以便政府启动这工程．

11. 3. –ever 构成的合成词 可引导名词性从句（主语，宾语从句） 还可引导状语从句 no matter wh-- 结构只能引导让步状语从句 eg. No matter where you go, I’ll go with you. 不管你去哪里，我将和你一起去． Whenever I see my boss, I feel nervous. 无论什么时候我看到我的老板，我感到紧张． Whoever says that sentence is wrong. 不论谁说那句话都是错的．

13. Mobile Phone is more than a telephone,a communicating tool, which develops to be multifunction ( 多功能的 )and useful. With it you can take photos,listen to music,surf on the Internet,have meetings,watch TV,send E-mails and E-cards.

14. Japan NTTDoCoMo You can wear it around your wrist. There’s a mini video- camera( 摄象 机 ),which can transmit your live scene to the other side.You will also see the other through the screen. Watch Phone

15. Philips Hands -free Mobile Telephone It omits all the buttons and the screen. It’s sound- controlled. You can speak to the phone when dialing,ordering.

16. I-mode telephone They can download a lovely, popular cartoon animal---- Kitty Cat as the Screen Saver ( 屏保 ). The I-mode uses can connect with the Internet frequently,send and receive E-mails, and seek the hotels and bars.

17. Nokia Photo-taking and Song-listening Phone You can take photos and make them into E-cards and send out. On the top of it is a recording lens( 录象镜头 ). In addition,you can listen to music.

18. Meeting—Plate A big screen. The colored screen takes up three-fourths of the body. It is called SX 45, i.e. Sophisticated Extra ( 加倍优越）

19. NTTDoCoMo Memory Download Mobile Phone You can download songs. It is equipped inside with a 64MB RAM( 内存 ).

20. Ericsson Concept Phones This small computer-like Telephone is still a mystery.

23. Discussion Topics: 1. Please say sth. about the advantage and disadvantage of the mobile phone? 2. If you have got enough money, which of the following things do you want to have most? Give your reasons for the choice. a. A latest type of mobile phone b. A digital camera c. A new type of TV set