英语选修7北师大版UNIT19课件PPT：L1--11张.ppt

1、Lesson 1 TelecommunicationsBefore reading:Discussion What do people use the mobile phone to do?Do you think its necessary for high school students to have it?why?While reading:True or False1.The United States used to be the largest mobile phone market.2.The improved technology,the smart look and the

2、 price helped mobile phones break into the mass market.3.3G technology enables the sending of photographs and video images and allows the accessing of the Internet from a phone.4.Mobile phone functions are used to communicate in general but also in schools at present,and in the future,mobile phone m

3、ight replace wallets.1.The United States used to be the largest mobile phone market.2.The improved technology,the smart look and the price helped mobile phones break into the mass market.3.3G technology enables the sending of photographs and video images and allows the accessing of the Internet from

4、 a phone.4.Mobile phone functions are used to communicate in general but also in schools at present,and in the future,mobile phone might replace wallets.Detail reading Read the text again and fill in the blanks:It was reported that _ Chinese had a mobile phone.What we see now are new phones with _,w

5、hich are _ and _ to carry.The first generation(1G)mobile phone system was developed to _ and _ phone calls_ within the network.The 2G mobile phone could also be used for _.The 3G mobile phone can send _ and _,and access the _.It was reported that _ Chinese had a mobile phone.What we see now are new

6、phones with _,which are _ and _ to carry.One in fourSuperb receptionlightsmall The first generation(1G)mobile phone system was developed to _ and _ phone calls_ within the network.The 2G mobile phone could also be used for _ The 3G mobile phone can send _ and _,and access the _.makereceiveanywhereSM

7、S/sending text messagesphotographsVideo imagesinternetPost reading Retell the main idea of the text by look at the text by look at the following key words.A decade ago,large,heavy,bad reception expensivenow,light,small,superb reception 1G,make and receive telephone anywhere 2G,send text messages 3G,

8、send photographs and video images In the future,replace wallets Grammar:noun clauses 1.it has been predicted that mobile phones might soon replace our wallets.2.The idea that in the future we wont need to carry money seems crazy.3.what this meant was that mobile phone users could use SMS as a cheap means of keeping in touch.4.what we see now are new phones with superb reception.predicted idea what this meant waswhat we seeabdcDo exercise 6 Keys:1-f 2-g 3-d 4-c 5-a 6-b 7-e