1、,The Information Age,Unit 4,what means do people use to Communicate with others?,videophone,What are they ?,Do you have a telephone ?,Do you like watching TV?,信息時(shí)代簡(jiǎn)史 人們常用最具代表性的生產(chǎn)工具來(lái)代表一個(gè)歷史時(shí)期，如石器時(shí)代，青銅時(shí)代，鐵器時(shí)代，蒸汽時(shí)代。用這種思維模式 來(lái)觀察20實(shí)際，可以說(shuō)，人類(lèi)從電氣時(shí)代走向了信息時(shí)代。,新科技革命以電子信息業(yè)的突破與迅猛發(fā)展為標(biāo)志，主要包括信息技術(shù)，生物工程技術(shù)，新材料技術(shù)，海洋技術(shù)，空間技

2、術(shù)五大領(lǐng)域。晶體管和大規(guī)模集成電路極大的降低了信息傳播的費(fèi)用，其結(jié)果是：人類(lèi)社會(huì)從工業(yè)時(shí)代進(jìn)入了信息時(shí)代。,Reading,同學(xué)速讀課文，找出每段的主題句或總結(jié)出主要大意。,Read the text and do true-false exercises:,(true or false exercises) (搶答) 1. ( ) We know TV does not tell us what is going on the country. 2. ( ) TV makes our life more colorful .,T,F,Fast Reading,After reading, a

3、nswer the following questions? What is the “couch potatoes”?,“Couch potatoes” are people who spend too much time watching TV.,一、the advantaes of TV 1. It brings the whole world into our family both in sight and in sound. 2. We can know what is going on across the country and all over the world 3. We

4、 can get much news and other information by watching TV. 4. We can watch many programs and TV plays, enjoy music, see movies and even watch live sports games on TV. Such as the following cards,ADVANTAGES,live sports games,the family are watching TV,DISADVANTAGES,一、the disadvantages of TV,some people

5、 spend too much time in watching TV,some children also watch too much TV programs,and even forget to do homework,then the couch potatos apear just like the following pictures,Couch potatoes,Both TV and the Internet are certainly great wonders of modern science and technology.,TV brings the world int

6、o our home in sight and in sound. It tells us what is going on across the country and all over the world.,用圖像和聲音,發(fā)生，進(jìn)行，繼續(xù),全世界,Sitting at home ,we can visit places of interest, enjoy music or TV plays, see movies and even watch live sports games.Television makes our life more colorful.,活的，活躍的,make +n

7、.+adj. 使.,But some people often spend too much time watching television sitting on a sofa.We call them “couch potatoes”. In the evening, they do nothing but turn on the TV , slowly go through all the channels and finally settle on the one they like.,answer the following questions,turn the Chinese in the brackets into English,Let me tell you what _(正在發(fā)生) in class at 7:30 this morning. Your parents _(擔(dān)心) your health very much .,was going on,are worried about,answer the following questions,turn the Chinese in the brackets into Englis