山东省莘县2012-2013学年高一英语课件：UNIT4 LESSON 1 (II) （北师大版必修2）.ppt

1、Unit 4 Cyberspace Lesson 1（）1.Master the important language points in Lesson 12.Learn the use of“will”and“be going to”导入Correct errors1.In the last thirty years,the Internet grew rapidly.2.Terrorist may“attack”the worlds computers,cause chaos,make planes and trains crash.3.It is convenient to order

2、tickets from the Internet.4.In 1983,there were only 200 computers connect to the Internet.has grownandbookconnected5.It is clear we can use the Internet to do all kinds of things at home.6.Personally,Im optimistic about the future of Internet.7.As society develops,computers will make our life much c

3、onvenient.8.The mail service may also disappear as the increasing use of e-mail.thethatmorewithLanguage Points1.affect vt.影响，(疾病)侵袭；感染；感动Peter Taylor finds out how computers and the Internet are going to affect our lives.（P8）彼得泰勒发现了计算机和互联网将如何影响我们的生活。Lin Shuhao has affectd the Chinese teenagers great

4、ly recently.最近林书豪对中国的青少年影响极大。The amount of rain affects the growth of crops.雨量影响作物的生长。【拓展】affect sb.to tears把某人感动得流泪have an effect onaffect影响take effect开始实行，开始生效come/go into effect生效；实施in effect(指规则，法律等)有效；实际上influence vt.常指对人的潜移默化的影响【即学即练】Since changes in salinity and temperature _ waters density,t

5、he water in the ocean is always moving.【2012泉州高一检测】A.attack B.affectC.effect D.supply【解析】选B。句意：由于咸度和温度的变化影响着水的密度，所以海里的水总是运动的。attack攻击；effect实现；supply供应，补充；affect影响。2.In 1983,there were only 200 computers connected to the Internet.（P8）在1983年只有200台电脑连接到因特网上。connected to the Internet=which were connect

6、ed to the Iputer 和connect 是被动关系,因此connected to 是过去分词作定语来修饰computers,相当于一个定语从句。2.It is surprising that there were 300 gold coins buried underground.真是令人惊奇,地下埋了300 枚金币。（P8）buried underground=which were buried underground.There are so many people left in the street.=who are watching the big fire in the

7、 street.在街上留下了如此多的人。Mrs.White showed her students some old maps _ from the library.【2010全国新课标卷I，27】A.to borrow B.to be borrowed B.C.borrowed D.borrowing【解析】选C。句意为：怀特夫人给学生们展示了她从图书馆借来的一些旧地图。考查非谓语动词。old maps是borrow的动作承受者，而且动作已经完成，因此选过去分词做定语。【真题在线】3.However,many people are optimistic about the future.(P

8、8)然而，很多人对未来感到乐观.be optimistic about 对什么乐观I am very optimistic about our education.我对我们的教育很乐观。【拓展】be pessimistic about 对悲观【即学即练】用optimistic和pessimistic填空：We should be _ about our children，and never feel _ about our life.【答案】optimistic；pessimistic 4.It is clear that we are going to see a huge growth i

9、n shopping on the Internet.(P8)很显然，我们会看到网上购物的巨大增长。该句采用的是It is+adj.+that 结构。It为形式主语，that引导的是主语从句。适用该句型的形容词有：important，necessary，strange，possible，impossible等。Its clear（that）he has done his best.很明显他已经尽力而为了。It was strange that he had made a mistake.真奇怪，他竟然错了。【真题在线】It is obvious to the students _ they s

10、hould get well prepared for their future.【2009天津，7】A.as B.which C.whether D.that【解析】选D。句意：对学生来说很明显，他们应该为他们的未来准备好。考查名词性从句中的主语从句用法。此处要分析句子结构，看出it为形式主语，代替that they should get well prepared for their future，并且本句意思完整，故选D。4.as if 仿佛，好像Compare the following two sentences:He acts as if he is a millionaire.H

11、e acts as if he were a millionaire.第二句中的时态发生变化，两句话表达的语气不一样，第一句用现在时表明说话人认为这件事有可能是事实，而第二句说话人则认为这是不可能的事情。【即学即练】He treats me as if I were his daughter.He talks so happily as if he were the one who was awarded.He acted as if nothing had happened.5.will and be going towill do 用于表达对于未来的看法和观点.更强调依据直觉、知识和经验作

12、出推测。一般指事情一定会发生。We will get entertainment from the Net and that television will probably disappear.be going to用于表达基于现实可以预测的，有迹象可以表明的.一般指马上就要可能发生的事情。The clouds are gathering.It is going to rain.will 可以指当下做的某个关于未来的决定。Hold on a minute,and I will give you the answer in a moment.be going to表达个人对于将来的计划打算。I

13、 am going to visit the museum tomorrow.趣味阅读 Virtual Reality Virtual reality(VR)is a term that applies to computer-simulated environments that can simulate physical presence in places in the real world,as well as in imaginary worlds.Most current virtual reality environments are primarily visual exper

14、iences,displayed either on a computer screen or through special stereoscopic displays,but some simulations include additional sensory information,such as sound through speakers or headphones.Some advanced,haptic systems now include tactile information,generally known as force feedback,in medical and

15、 gaming applications.Furthermore,virtual reality covers remote communication environments which provide virtual presence of users with the concepts of telepresence and telexistence.目标检测 1.I really think that our dreams will_ one day.A.come trueB.realized C.made D.turned into reality【解析】选A。句意：“我真的认为我

16、们的梦想总有一天会实现。”实现，达到（希望、理想），其中come true 与 turn into reality 无被动语态。2.When a pencil is partly in a glass of water,it looks as if it_.A.breaksB.has broken C.were brokenD.had been broken【解析】选C。句意：“当将铅笔的一部分放进有水的杯中，看起来好像被折断了一样。”as if 从句内容若与事实相反，常用虚拟语气。3.The father as well as his three children _skating on t

17、he frozen river every Sunday afternoon in winter.A.is goingB.goC.goesD.are going【解析】选 C。句意：“在冬季每个周末的下午，父亲和三个孩子，都会去结冰河面上去滑冰。”as well as连接主语时，谓语动词与其前面的主语一致。4.What would you do if it _ tomorrow?We have to carry it on,since weve got everything ready.A.rainB.rains C.will rainD.is raining【解析】选B。该句中if引导条件状

18、语从句，主句中would为情态动词，表示倾向，所以从句常用一般现在时表将来。5.In the near future,more advances in the robot technology _ by scientists.A.are making B.are made C.will make D.will be made【解析】选D。句意：不久的将来，机器人技术的更大进步由科学家制造。考查时态和语态。根据时间状语进行判断，应用将来时，make为及物动词，故选将来时态的被动语态。6.-Ann is in hospital.-Oh,really?I _ know.I _ go and visi

19、t her.A.didnt;am going to B.dont;would C.dont;will D.didnt;will【解析】选D。考查时态和交际用语说话者用I _didnt_ know，是表示现在之前他不知道。而他现在说要去看他当然是将要去看他用“will.7.is clear that Lin Shuhao will become more popular.A.He B.It C.This D.That【解析】选B。句意：很清楚，林书豪将会更受欢迎。只有it可作形式主语。8.What you do will _your students.A.affect B.effect C.ha

20、rm D.destroy【解析】选A。句意：你做的一切将感动你的学生们。affect影响，感动。1.He is going to repaint the fence._ I know he likes green.A.I think he is going to paint it green.B.Hell paint it green.2.You are planning to buy a computer.A.I hope it will be cheap.B.It is going to be cheap.Which is more natural?3.Its the last ten m

21、inutes of a basketball match between Russian and the USA.The score is 102:56 to Russia.A.The USA will lose.B.The USA is going to lose.期末考试-Look!He is working so hard.-I think he is going to have exams.Jennie is going to have a baby.have examshave a babyOh,no!He is going to walk into the well.walk in

22、tocrashThey are going to crash.Complete the text with going to or will.Earth ReportDr Carl Wight is an expert on the environment.He speaks to our reporter,“It is clear that in the next few years the Earths climate(1)_ change.Im afraid that this probably means that many kinds of animals,such as the S

23、outh China tiger,(2)_ disappear soon.is going toare going toChanges in climate(3)_ certainly affect peoples lives too.Because of global warming,the sea has already destroyed parts of Britain.It is obvious that this destruction(4)_ become more dangerous in the future.We have to take immediate action,

24、or I fear that life on Earth(5)_ get worse.”are going e true(愿望、梦想等）实现，达到After 10 years,my dream of owning a house of my own came true.十年后，我能拥有自己的一座房子的梦想实现了。7.flood n.洪水，水灾；vt.&vi.淹没We still remember the heaviest rains with flooding in South China in 1998.我们仍记得1998年中国华南下大雨发生洪灾的情况。【拓展】in flood 在泛滥be

25、flooded with 大量收到；充满flood in/into 大量涌入flood out of 蜂拥而出ABA1.The new law will be put into _ next month.Do you think it will _ your life?A.effect;affect B.effect;effect C.affect;affect D.affect;effect2.The old man treated me _ I were his own daughter.A.as well as B.as if C.as long as D.even if3.Its _

26、that Mark doesnt know youre here,otherwise hed have said something.A.obvious B.artificial C.virtual D.scientificAD4.The outdoor play will be on if it _ tomorrow.A.doesnt rain B.wont rain C.isnt to rain D.isnt going to rain5.The company developed _ under his good management.A.strongly B.luckily C.ser

27、iously D.rapidly6.I heard that he got injured and is now in hospital.Oh really?Then I _ him tonight.A.am to visit B.am visiting C.will visit D.am going to visitC7.-What is Li Ming going to be?-Hell be an English teacher by the time he _ twenty four.A.is B.will be C.is going to be D.had been8.Can we

28、meet tomorrow afternoon?-Not in the afternoon,I am afraid.I _.A.will be working B.am going to work C.am about to work D.will workAA9.Thank you for your kind _ of help.A.service B.point C.suggestion D.offer 10.He cant swim.Its _,for he grew up at the seaside!A.amazed B.amazing C.bored D.boringDB Homework Rewrite the text“The Future of Cyberspace”in your own words Caution is the parent of safety.小心驶得万年船。