课件42张PPT。welcome to our class Unit 4CyberspaceLesson 1
Tomorrow’s WorldThe Future of Cyberspace1 before reading2.While readingTask1. listening and find the topic mentioned
Task2 skimming and find main idea of every paragraph
Task3 skipping and tell true or false .
Task4 careful reading
1.How did the Internet grow in the last 30 years?
2.What are the different ideas about the future of cyberspace?
3.How do some experts see our future in virtual reality
4.How the computer and the Net are going to affect our lives?3.Post reading
1.Voice your opinion
2 An interview at an international conference
1.Compared to 10 years ago,how do you think technology has changed our live ?
2. Imagine what happens in the next twenty years?
3. learn some new words
End Before Reading1.Compared to 10 years ago,
how do you think technology
has changed our live?
smartconvenientmulti-functionalsend SMS, call,
alarm clock, games,
take photos, mp3,
go on line…typical cell phoneOnly for callsHave you ever seen
such a camera?Digital cameraCan you imagine
what a computer
looked like in the
1980s?But in the 21st.
century, …Will they come true?making artificial humans
time travelglobal warming
World floodinghackers
computer virus2. Imagine what happens in
the next twenty years?cyberspaceThe place where information, pictures etc. exit when they are sent from one computer to another.computersInternetvirtual reality computer gamesthe use of computers to make situations feel and look realPeople can get various experiences in virtual reality.e.g. virtual school, virtual tourism, …Virtual library virtual
reality virtual … virtual …virtual schoolvirtual libraryVisiting virtual museums on the Internet3. learn some new wordshacker, chaos, terrorist, the Net (Internet), virtual reality, crash1、a person who enters other people’s
computer programmes in secrethacker2. The use of computers to make situations feel and look real virtual reality3. have an accident by violently hitting something 4. someone who does terrible things to harm countries, governments and peoplecrashterrorist5. computer system that allows millions of people around the world to share information the Net6. A terrible situation in which everything goes wrongchaosTask1. Listen to the text. Which of these topics do you think the text will mention?* the Internet * artificial human
* time travel * robots
* global warming * virtual reality ReadingTask2 . skimming and find main idea of every paragraph and the text.
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 Reality 2.Choose the best topic sentence for the passage.
A) The Internet is good for us.
B) The pessimistic opinions about the
cyberspace.
C) The opinions about the Internet.
D) How are the computer and the Net going
to affect our lives.D In spite of the development of computers, it is unlikely to live in virtual reality .
The text infers to us that worry is necessary and computers and the Internet may do bad to us.
It is certain that in the future we will not go to school in the classroom like us.True or falseTFFTask3 skipping and tell true or false .4. According to the text, it is possible that people live in another world of outer space.
5. In virtual reality, you can go work but needn’t go to the place yourself.
6. Because of the rapid development of Internet television and the mail disappear and are replaced by computer.TTFTask4 careful reading
1.How did the Internet grow in the last 30 years?
2.What are the different ideas about the future of cyberspace?
3.How do some experts see our future in virtual reality?
4. how the computer and the Net are going to affect our livesThe 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.1How did the Internet grow in the last 30 years?
2.What are the different ideas about the future of cyberspace?Pessimistic experts worry about crime in cyberspace. They think that hackers and terrorists may attack the world’s computers, cause chaos and make planes and trains crash.
Optimistic experts believe cyberspace will make life easier. We can find out about holiday offers, get entertainments and get all sorts of information on the Internet. TV and mail service may disappear.Different ideas pessimistichackersCyber terroristsnowin the futurecybercriminaloptimisticin the future virtual realityworkshopstudyget
entertainment TV & postal
service
will disappearalreadyin the next
few yearsshop on the
Internetget
informationbuy booksfind out holiday
offersbook tickets4. How the computer and the Net
are going to affect our lives?Some experts see our future in virtual reality.
With sound and pictures,
we will feel as if we are in a real situation.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.Computers 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 ticketscause chaosget experience in virtual realityCyberspaceterroristscriminalshackersattackcause crimecause chaosmake planes and trains crashinformation disappearMore attack Post-Reading1 Voice your opinion Do you feel
pessimistic or optimistic
about the future of the
Internet? Why?
2.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 realityI’m optimistic /pessimistic about… As far as I know… It seems to me that… From my point of view,An interview at an international conferenceHomework 1. Read the text and memorize the
new words
2. P55----vocabulary & word cornerThank you!Thanks for listening
