Unit4《Cyberspace》lesson1TomorrowsWorld课件3北师大版必修2.ppt

tomorrows world;When 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?;If Newton lived today, he would be surprised by what has been discovered in science and technology.;Look at the title of the article. Which of these topics do you think it will mention?;Learning vocabulary;2. The use of computers to make situations feel and look real.;5. computer system that allows millions of people around the world to share information;words and expression;1. Users 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 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 影响 More and more pollution has affected our health, according to the report. effect 名词，影响 构成的短语 make an effect on Watching TV long time makes 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. There were so many people watching the fire in the street at that time.;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. 例如： There are 11 million students _______(take) part in the sport.;4. 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