2014-2015学年《英语测试报》配套光盘 人教新课标必修2课件 LEARNING ABOUT LANGUAGE U3备选.ppt

1、Unit 3ComputersLearning about language高一人教新课标版必修二1.Find the word or expression for each of the following meanings from the text.1)complete change in ways of thinking,working,etc.2)connected computer system3)to make things easier4)to find the answer using numbers calculatesimplifyrevolutionnetworkDis

2、covering useful words and expressions5)can be moved easily from place to place6)to work out the answer to a problem7)to travel around an area to find out about it 8)completely9)anyway10)activity of managing money financeanyhowtotallyexploresolvemobile 2.Complete the passage with the words below.arti

3、ficial technology intelligent Web applications explore reality logicallyMy brother was very interested in computers and enjoyed writing programs of his own.He used to download information from the Internet and made good use of it.He liked to _ the World Wide _ andexploreWebused the Internet to commu

4、nicate with computer programmers all over the world.When he went to university he studied IT(information _)and developed a special interest in _ intelligence.After developing special _ of the computer,he hopes to design an _ robot which can think _ and look like a human being,but in _ he has a long

5、way to go.technologyartificialapplicationsintelligentlogicallyrealityGrammarThe Present Perfect Passive Voice1.The new bridge over the Yellow River has just been completed.2.Many more buildings have been built in the past ten years.一、现在完成时的被动语态构成：have/has been+动词的过去分词表示到现在为止已经完成的某个被动的动作。例如：3.The dir

6、ty clothes have been washed.4.The plan has been studied by the experts for three times.5.The child has been taken care of by Grandma Wang all these years.1.主语是行为动作的承受者。如：The Temple of Zhang Fei has been rebuilt.张飞庙已经过重建。二、现在完成时的被动语态主要用于以下情况：2.说话时已完成的动作或出现的结果。The door has been locked.门已经被锁上了。（我或别人现在进

7、不去）3.动作或状态始于过去,持续到现在,并可能持续下去。如：He has been told about it for many times.有人告诉他这事很多次了。（可能还会有人告诉他）4.用在时间和条件状语从句中,表示将来某时已完成的动作。如：Well start as soon as the work has been finished.工作一完成我们就立即动身。1.固定搭配中的介词在被动语态中2.不能省略。例如：He has thought of a way of solving the problem.=A way of solving the problem has been t

8、hought of.三、几点注意：2.break out/happen/take place/arrive/become/die/disappear etc不及物动词没有被动语态。例如：The accident which happened yesterday surprised me.3.带双宾语的动词give/send/bring/take/teach/show/tell/make/sing/write/sell/buy/ask/pay/borrow/lend/hand/offer/provide/past/get/promise 等变被动语态有两种方法：I have given him

9、the book.=He has been given the book.=The book has been given to him.He has offered us the most comfortable service.=The most comfortable service has been offered to us by him.=We have been offered the most comfortable service by him.1.I got caught in the rain and my suit .（北京2010）A.has ruined B.had

10、 ruined C.has been ruined D.had been ruinedC高考链接2.Professor James will give us a lecture on the Western culture,but when and where _ yet.（浙江2010）A.hasnt been decided B.havent decided C.isnt being decided D.arent decidedA3.If Newton lived today,he would be surprised by what in science and technology.

11、（天津2008）A.had discovered B.had been discovered C.has discovered D.has been discoveredD4.Cathy is taking notes of the grammatical rules in class at Sunshine School,where she _ English for a year.（湖南2010）A.studies B.studied C.is studying D.has been studyingD5.With the help of high technology,more and

12、more new substances in the past years.（上海2010）A.discovered B.have discovered C.had been discovered D.have been discoveredD6.When you get the paper back,pay special attention to what.（四川2009）A.have marked B.have been marked C.had marked D.had been markedBHomeworkTry to remember the grammar rules and do exercises 1,2 and 3 on page 21.