北师大版必修二 Unit 4 Cyberspace Lesson 4 Cyberspace 课件（25张）

课件26张PPT。Unit 4CyberspaceObjectivesBy the end of the lesson, you will be able to- find out some ideas and predictions about the future of cyberspace and summarise them;- pronounce the new words correctly and understand their meaning in context;
- organise vocabulary around the topic of ‘cyberspace’;
- describe people’s predictions and attitude towards future cyberspace using the words learned.Warm-upHave you ever seen the following movies?
What do you think
about them?
Talk more about
the movies. Artificial Intelligence: A.I. is a 2001 science fiction film co-produced, written, and directed by Steven Spielberg. It was the last project on which filmmaker Stanley Kubrick worked — he died before the film started shooting, and Spielberg dedicated the film to him.Answers for reference (p7)1. making artificial humans
2. flooding in different countries
3. time travel
4. a virus develops which we have no power to stop2Which word matches the following definition?
n. a word that describes the place where messages, information, pictures, etc. are when they are sent from one computer to anothercyberspaceWill they come true?making artificial humans
time travelglobal warming
World floodinghackers
computer virusFORWARDcyberspaceThe place where information, pictures etc. exit when they are sent from one computer to another.computersInternetComputers and the Internet affect our lives. More connection
More activities done on the Internet
More attacksMore ConnectionIn 1983, there were only 200 computers connected to the Internet but now there are around 50 million.
The Internet has grown rapidly.
We see a huge / rapid growth in the Internet.
More activities done on the Internetactivities done on the Internetdo net shoppingget all sorts of informationget entertainmentfind out holiday offerssend emailbook ticketsget experience in virtual realitythe use of computers to make situations feel and look realPeople can get various experiences in virtual reality.e.g. virtual school, virtual tourism, …chaosA terrible situation in which everything
goes wrong.Yesterday my computer was attacked by a virus. Everything seemed to be in chaos.Cyberspaceterroristscriminalshackersattackcause crimecause chaosmake planes and trains crashinformation disappearMore attackTomorrow’s worldreadingPossible predictions:
The growth of Internet.
Attitudes towards the future of cyberspace.
The future of virtual reality.
How computers and the Internet affect our lives.
Future crimes and dangers in cyberspace.
Future life in cyberspace.
Activities done on the Internet.Part 1: The Growth of the Internet
Part 2: Pessimistic Ideas towards the
Future of Cyberspace
Part 3: Optimistic Ideas towards the
Future of Cyberspace
Part 4: The Future of Virtual RealitySub-topicsThe growth of the internetThe Internet has grown rapidly.There were only 200 computers connected to the Internet.There are around 50 million and this growth is clearly going to continue.Different ideas Our future in virtual reality The use of computers will
_____________________________________
Virtual reality will
_____________________________________make you feel as if you are in a real situation.become a part of modern life.An interview at an international conferenceA journalist is interviewing three experts about the future of cyberspace at an international cyberspace conference. A—journalist
B—an expert who is pessimistic about the future
C—an expert who is optimistic about the future
D—an expert of virtual reality