英语选修7北师大版UNIT19课件PPT：L1《4》--14张.ppt

1、Lesson 1 Telecommunications-21st century mobile phonesPair work Do you have a mobile phone?what can it do besides making phone calls?How do you know about the development of mobile phones?For example:what did mobile phones look like ten years ago?What changes have happened to mobile phones in the pa

2、st few years?What do mobile phones look like now?While-reading A.Fast reading which country used to be the largest mobile phone market?Comparison between the old and new mobile phones:Mobile phonesfeaturesThe old onesLarge,heavy,bad reception,expensiveThe new onesSuperb reception,light,small,smart l

3、ook,cheap B.Careful readingDevelopment of mobile phones Features 1G 2G 3G WAPMake and receive telephone calls anywhere within the mobile phone network.Sending text messages(SMS)A tiny camera in the phone that enables the sending of photographs and video imagesAllow you to access the internet form yo

4、ur phone Para1Para1 1.be ahead of 1.be ahead of 在在前面前面get aheadget ahead进步进步;成功成功go aheadgo ahead前进前进look aheadlook ahead向前看向前看 2.It was reported/predicted that 2.It was reported/predicted that 据报道据报道/预测预测 3.one in every four Chinese 3.one in every four Chinese 每每44个中国人中有个中国人中有11个个 TranslationTransl

5、ation：2 2 任何事情他总是在我前头任何事情他总是在我前头He is always ahead of me in anything.He is always ahead of me in anything.3 3 据预测禽流感将再次爆发据预测禽流感将再次爆发.It has been predicted that bird flu will break out again.It has been predicted that bird flu will break out again.4 4 我们班每我们班每1010个学生中就有一个会是未来的工程师个学生中就有一个会是未来的工程师.One

6、in every five students in our class will be engineers One in every five students in our class will be engineers of the futureof the futureLanguage points 1 compare to/with 与比较compare to 把比作 _ to the sun,the earth is really very small.(Comparing/Compared)2 break into+n(强行)闯入,进入compared:Break in the t

7、wo burglars _ and found nobody in the roomLanguage focus Para3 1 at a rate/speed 以的比率/速度 2 keep in touch 保持联系Para 2broke inLanguage focus Para 4 team up with sb 与某人合作 Para5 1 replace:take the place of 替代 2 hand over(to)移交,交出 3 add to 增加Complete the sentences with the correct form of the words.enable

8、,break into,accessible,predict,means,keep in touch,rate,scan 1 Future computers will be able to _their own systems and solve any problems.2 Computers should be made more _ to aged people.3 Her teacher _ that she would win the first prize.4 The fast development of mobile phones _ us to communicate mo

9、re and more easily.scanscanaccessibleaccessiblepredictedpredictedenableenableenable,break into,accessible,predict,means,keep in touch,rate,scan 5 The end of the 20th century saw a rapid _ of change in technology.6 I met him when I was studying in London.And Ive _with him ever since.7 Many British fi

10、rms have failed in their attempts to _ the American market.8 Email has become an important _ of communication.ratebeen keeping in touchbeen keeping in touchbreak intobreak intomeansmeansExercise:请分析下面划线部分句子成分:It has been predicted that mobile phones might soon replace our wallets.The idea that in th

11、e future we wont need to carry money seems crazy.What this meant was that mobile phone users could use SMS as a cheap means of keeping in touch.What we see now are new phones with super reception.John said that he was leaving for London on Wednesday.subject appositivepredicativesubjectobject Noun Cl

12、auses 名词性从句 在句子中起名词作用的句子叫名词从句(Noun Clauses）。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。主语：That he is still a student is not true.他仍然是个学生并不是事实.宾语：Tom said that he would returned to London at Christmas.汤姆说他圣诞节要回伦敦去。表语：The fact is that he has told a lie to

13、 us事实是他对我们撒了谎 同位语：The fact that he has told a lie to us made everyone angry他对我们撒了谎,这一事实让每个人很生气。请使用恰当的连接词引导下面的名词性从句 ThatThat she was elected made us very happy.she was elected made us very happy.We heard the news We heard the news thatthat our team had won.our team had won.WhetherWhether he will come

14、 is not clear.he will come is not clear.还不清楚他是否会来还不清楚他是否会来 It is not important It is not important whowho will go.will go.谁去并不重要。谁去并不重要。It is still unknown It is still unknown whichwhich team will win the match.team will win the match.尚不清楚哪一队会赢得比赛。尚不清楚哪一队会赢得比赛。It is quite clear It is quite clear thatthat the whole project is doomed to the whole project is doomed to failure.failure.很清楚，整个计划注定要失败。很清楚，整个计划注定要失败。Its a pity Its a pity thatthat you should have to leave.you should have to leave.你非走不可真是件憾事。你非走不可真是件憾事。