Lesson 1 Telecommunications

Suppose your good friend studies in Beijing University,how can you contact him/her?

Message /telephone /mobile phone Which of the above ways do you think is the most convenient ? A letter / a telegraph A fax E-mail/ ICQ Message /telephone /mobile phone

The world’s first mobile phone Do you know anything about the world’s first mobile phone? The world’s first mobile phone In March 1983, the world’s first mobile phone, the Motorola DynaTAV8000X, was produced. It weighted 785g and was 300*44*89mm in size. It could only be used for one hour and be held on standby待机 for eight hours, so if you wanted it on 24 hours a day, you would have to charge three sets of batteries every day. If you wanted to have this mobile phone, you had to pay＄3995 for it that time.

Do you want to know more about mobile phone? First generation(1G)

SMS(2G) mobile phone

3G/WAP mobile phone

Only _________had mobile phone. Mobile phone were ____and heavy Listen to the passage “21Century Mobile Phones” fast find out the features of mobile phones a decade ago and now A decade ago Only _________had mobile phone. Mobile phone were ____and heavy with ____reception. Mobile phones were ______ business men large bad expensive

Now Mobile phones are more accessible to the__________ Today’s mobile phones with ____reception are light and ______to carry The cost of the phones and calls has ________ The first generation (1G)mobile phone system was developed to ____________ telephone calls anywhere within the mobile phone network. average person superb small fallen make and receive

2G mobile phone could be used for sending__________ There is a ____________in a 3G mobile phone that enable the sending of photo graphs and video images. WAP technology allows you to access _______from your phone. text message tiny camera Internet

F F T T 1. It was reported by the Ministry of information that 50 percent of Chinese had mobile phones at the end of 2004. 2. Ten years ago, only business people and government officials had mobile phones. 3. A decade ago, the mobile phones were large and heavy with bad reception, and they were expensive. 4.Today’s mobile phones are light and small to carry and they are more accessible to the average person. F F T T

T F F T 5. Mobile phone users can use SMS as a cheap means of keeping in touch. 6. The WAP technology can allow you to access the Internet from your phone, and the WAP technology is cheaper than using a computer. 7.According to the text , some schools allow the students to use the mobile phones. 8.In the writer’s opinion, perhaps we won’t need to carry money in the future. T F F T

Read the text again and answer the following questions. 1. Which country used to be the largest mobile phone market? 2. What are the factors that helped mobile phone break into the mass market? 3.What makes mobile phones more accessible to the average person? 4. What features does the 3G mobile phone have?

A:The United States used to be the largest mobile phone market . 1. Which country used to be the largest mobile phone market? 2. What are the factors that helped mobile phone break into the mass market? A:The United States used to be the largest mobile phone market . A:The improved technology ,the smart look and the price helped mobile phones break into the mass market.

3.What makes mobile phones more accessible to the average person? A: As demand for mobile phones has increased, the cost of phones and calls has fallen, making mobile phones more accessible to average person.

4. What features does the 3G mobile phone have? A: It has two features.The first one is a tiny camera in the phone that enables the sending of photographs and video images. The second one is WAP technology that allows the accessing of the Internet from a phone.

Voice your opinion 1.Do you think it is necessary for students to bring mobile phone back to school? Why? 2. Discuss in pairs If you are a designer, how will you design the mobile phones? (outlook function material) What new features could be added?

My opinion If I were a mobile phone designer ,I would design a mobile phone like the following : 1.It should be made of a special material that can be waterproof(防水） and dustproof（防尘） 2.It should have a special function that can identity only one SIM card number 3.It should be less radiation（辐射）

Home work : Finish Ex.4 P7 Preview “Noun Clause”

The end Thank you