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必修2《Unit4 Cyberspace Lesson1 Tomorrow s world reading》课件(北师大版)


By the end of the lesson, you will be able to
future of
cyberspace and summarize them; - organize vocabulary around the topic of “cyberspace”;

Objectives - find out some ideas and predictions about the

- describe people’s predictions and attitudes

towards
future cyberspace using the words learned. - form an objective attitude of cyberspace of your own.

Cyberspace (n.) 网络空间

computers

Internet

The place where information, pictures etc. exist when they are sent from one computer to another.
BACK

Hacker (n.) 电脑黑客
A person who enters other people’s computer programmes in secret

Hackers use virus to attack computers.

BACK

activities that are against the law

Crime (n. / v.) Criminal (n. / adj.)
BACK

Chaos (n.)
A terrible situation in which everything goes wrong.

Yesterday my computer was attacked by a virus. Everything seemed to be in chaos. BACK

Terrorist (n.)
someone who does terrible things to harm countries and people

The plane driven by terrorists crashed into the twin towers.
BACK

Crash (vt.)

Entertainment (n.)
BACK

People can get various experiences in virtual reality.
the use of computers with sounds and pictures to make situations feel and look real

e.g. virtual school, virtual tourism, virtual computer games …
BACK

文件 [F]

编辑[E]

插入[I]

格式 [O]

工具[T]

帮助[H]

With the influence of technology, can you imagine your life in the next twenty years?

shop on the Internet

communicate by e-mail

get new films on the Internet

have virtual reality schools

get all our entertainment on the Internet

have an Internet connection
in every room of the home

find husbands or wives on the Internet

Which of these topics do you think it will mention?

A.aliens
B.androids

C.the Internet
D.global warming

E.virtual reality
F.genetic engineering

Reading
The Future of Cyberspace

Match the four paragraphs with the following headings.
Z.xxk

Headings

Part 1
Part 2 Part 3 Part 4

A. Pessimistic Ideas towards the Future of Cyberspace B. The Growth of the Internet C. The Future of Virtual Reality D. Optimistic Ideas towards The Future of Cyberspace

Headings
Part 1: The Growth of the Internet
(Para.1)

Part 2: Pessimistic Ideas towards the (Para.2) Future of Cyberspace Part 3: Optimistic Ideas towards the (Para.3) Future of Cyberspace
(Para.4)

Part 4: The Future of Virtual Reality

The Growth of the Internet
In 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.
BACK

Pessimistic Ideas towards the Future of Cyberspace
Hackers get into the computer of banks and governments ( Criminals commit crimes.)

Pessimistic Ideas
Terrorists attack the world’s computer cause chaos make planes and trains crash

BACK

Optimistic Ideas towards the Future of Cyberspace
do net shopping get entertainment

book tickets

Optimistic Ideas

send email

get all sorts of information

buy books

find out holiday offers
BACK

The Future of Virtual Reality
live and work in a virtual world work in virtual offices

Virtual Reality

shop in virtual supermarkets

study in virtual schools

Debate
The future of cyberspace Positive ?Negative

Positive
find out holiday offers and book tickets do net shopping

Cyberspace

convenience

get all sorts of information get entertainment
send email live in virtual reality
BACK

Negative
hackers
get into the computer of banks and governments

Cyberspace

criminals

attack chaos

cause crime cause chaos make planes and trains crash

terrorists

Summary
Every coin has two sides.

The computers and Internet play a very import part in our life.

We should use computers and Internet in the right way, obeying the law and morality, otherwise the whole world will be in chaos.

Discussion:
Do you feel pessimistic or optimistic about the future of the Internet? Why?

Homework

1.Retell the text again
2.Prepare for lesson14

Homework

1.Retell the text again
2.Prepare for lesson14

Thank you


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