Unit 3 Computers Reading I

课件24张PPT。Unit 3 ComputersGuess! A toy?A handbag?Computers I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.
Do you know who I am?abacusGuess more: I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?calculator I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because I’m small enough for you to take me with you.
notebook computerDo you know who I am?the history of the computerPalmtop Who am I ?Skimming: Go over the story to find out who the speaker is. Write down 3 sentences to support your idea. ● I was able to share my knowledge with others through the World Wide Web.
●”My real father was Alan Turing ....”
● I was built as an Analytical Machine by Charles Babbage.”TimelineThe computer began as a calculating machine．1822Alan Turing wrote a book to describe how computers could be made to work．Computers had grown as large as a room.1960sComputers were used in offices and homes． Computers connect people all over the world
together.Scanning:In which order is the text organized?True or False
Alan Turing built an Analytical Machine to solve any mathematical problems.
People began to realize that the computer got cleverer and quicker with time passing.
The computer began to serve the human race since it was brought into people’s homes.
Since the 1970s, the computer was used by people around the world through the Internet.
5. The larger the computer is, the more memory
it has.
FTFTF1. Choose the best answers
1) What’s the main idea of the text?
A. The computer wants to find “who he is”.
B. The functional change of the computer.
C. The computer becomes popular around
the world.
D. The history of the computer.Comprehending:2) What can you infer from the text?
A. The computer has artificial intelligence.
B. The computer changes a lot over the
years.
C. The computer was not connected by a
network until in the early 1960s.
D. Now the computer can only be used to
deal with information.
Q1: How did the computer work as
an Analytical Machine?
The computer followed instructions
from cards with holes.2. QuestionsQ2: In how many ways do we say the computer changed? What are they?
Size:

Intelligence:
Speed:
Function:
People’ opinion:smallerquickercleverercalculating----dealing with …, communicating with…clever & useful1960sConsolidation: Retelling1 A monitor is
2 The screen is
3 A keyboard is
4 A mouse is
5 A CD-ROM is
6 A hard disk is (a) the part of a computer that stores information.
(b) the part of the computer that you type on.
(c) the part of the computer that looks like a television
(d) something you use to click on things (files, etc.).
(e) the part of the monitor that you look at.
(f) a separate disk that contains lots of information.
Match the words with their meanings.Internet
1.What can the computer be used for?Task 2. Discussionschool work
games
emails
music and films
chat
information
photos
shoppingOur life has changed!palmtop smaller desktop convenient laptop What are today's smaller computers like?2.What about in the future?virtual keyboards
虚拟键盘Nose-top
keyboard-vest
robotWhat about in the future?Suppose you are a reporter. Now you are interviewing Mr. / Miss Computer.
Sample questions: What do you like to eat?
What are your hobbies?
What is your newest
fun_ction(功能)?
Can you say something
about your future plan? etc.… …Task 3. Role-playHomework:Review the passage
2. Do Ex. 1-3 on P19-20.
3. Read the story about Bill Gates.