课件30张PPT。Unit 4 Lesson 1Lesson 1Tomorrow's WorldUnit 4Where will you live in the future?
How will you travel in the future?
Where will you work and study in the future?
What kind of money will you use?
Will you still get sick in the future?TalkFuture(triangular) prism
三棱镜gravityIf Newton lived today, he would be surprised by what has been discovered in science and technology.The Future of CyberspaceHow are computers and the
Internet affect our lives?
a word that describe the place where messages, information, pictures, etc. are when they are sent from one computer to another (网络空间)shop on the Internetcommunicate
by e-mailget first hand news on the Internethave virtual reality schoolsget all our entertainment
on the Internetmake friends
on the InternetLook at the title of the article.
Which of these topics do you think it will mention?* the Internet * artificial human
* time travel * robots
* global warming * virtual realityLearning vocabularyMatch the vocabulary from the
text below with the definitions.hacker, chaos, terrorist, the Net (Internet), virtual reality, crash 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.crash4. some who does terrible things to
harm countries, governments and
people.terrorist5. computer system that allows millions
of people around the world to share
informationthe Net (Internet)6. A terrible situation in which
everything goes wrongchaosRead the text
clearly and find
out detailed
information.The number of computers connected to the InternetPart I20050 millionIt’s going
to increase
Part IIDifferent
attitudes
towards
the future pessimisticoptimisticWhy?1.Already----- buy books
find out about holiday offers
book tickets
get all sorts of information
2.in the next few years-----a huge
growth in shopping on the Internet
get entertainment from the Net
increasing use of e-mailnow-----crime in
cyberspace
2.future-----cyber-terroristsPart IIIOur future in virtual reality
.1.the use of computers with sounds and images as if in a real situation 2. a part of modern life----- work in virtual offices, shop in virtual supermarket , study in virtual schoolsDo you feel pessimistic or optimistic about the future of the Internet? Why?Discussionwords and expressionUsers can buy books, find out about holiday offers, book tickets, and get all
sorts of information from the Internet.find out查明真相，事实
find 发现，找到
e.g.
Will you find me a magazine about history?
If you find any mistake, please correct it.
I need find out who hid the picture under
the newspaper.
book 动词 预定（房间，票）
You can book a room of the hotel in advance by Internet.
order（定购货物）
At present we can order the goods because there is no demand in the market.
2. Peter Taylor finds out how computers and the Internet are going to affect our lives.affect v.影响
More and more pollution has affected
our health, according to the report.
effect n.影响
构成的短语 make/have an effect on
Watching TV long time makes/has a bad
effect on sight.3. In 1983, there were only 200 computers connected to the Internet.connected to 是过去分词作后置定语来
修饰先行词computers, 因为computer
和connect是被动关系，相当于一个
定语从句：
which were connected to the Internet.
Watching 是现在分词作后置定语来修饰先行词 people, 因为watch和people是主动关系，相当于一个定语从句：
who watched the fire in the street at that time.
Exercise: There are 11 million students _______(take) part in the sport.There were so many people watching the
fire in the street at that timetaking4. Some expert are pessimistic about the future.be pessimistic about 对…感到悲观
be optimistic about 对…感到乐观
Don’t be pessimistic about the thing
that has not happened.
I am optimistic about the economic
growth at present.
5. It is clear that we are going to see an explosion of shopping on the Internet.“it” 作形式主语，“ that we are going to see
an explosion of shopping on the Internet”
是真正的主语
e.g.
It excited us Chinese greatly that Liu Xiang ,
a Chinese, won the Olympic champion of
the 110-meter hurdle race. The Foreign Minister said” _____ our hope that the two sides will work towards peace.”
A. This is B. There is
C. That is D. It isD. It isDon’t ____that all these who get good grades in the entrance examination will prove to be most successful.
Take as granted
B. take this for granted
C. Take that for granted
D. take it for grantedD. take it for granted1.Retell the text
2.Prepare for GrammarHomework
