高中英语必修二：unit3 Warming up and Reading 课件

1. Who is the speaker in this story? A computer. 2. Write down three from the story to support your idea. 1) I was built as an Analytical machine by Charles Babbage.
simplify to make things easier calculate to find the answer using numbers as a result so; therefore mobile
can be moved easily from place to place
solve goal explore totally anyhow
1. Where was the speaker born in 1642? In France. 2. What happened to the speaker after nearly two hundred years? He was built as an Analytical Machine by Babbage. 3. What was the speaker called in 1936? A universal machine. 4. What happened to the speaker in the 1970s? He was used in offices and homes.
What English words do you know about a computer? host computer speaker monitor keyboard screen mouse
Discussion
What can computers be used to do in daily life? How do you use computers and the Internet?
to work out the answer to a problem
one’s aim or purpose to travel around an area to find out about it completely anyway activity of managing money
finance
Unit 3
Warming up and reading
Look at the following pictures and say their English names. calculator
abacus
huge computer
PC (personal computer)
laptop
PDA (personal digital assistant)
I often use a computer to … I sometimes use it to … and I never use it to …
Debate
Is computers good or bad for human beings?
For
have great power; make our lives more colorful and more convenient; …
2) My real father, Alan Turing, … 3) I was always lonely standing there by myself, until in early 1960s they gave me a family connected by a network.
Listen again and answer the questions.
robot
What do you think the future computer development will be?
What do they have in common?
• • • • I think that… In my opinion… I believe that… What’s your reason? • Why do you think so? 1.They can be used for calculating. 2.They can deal with maths problems. 3.They are our friends. 4.They are useful and helpful.
Against
make people lazy; unhealthy information; pollute the environment; …
Read and answer the questions.
1. Who is the speaker in this story? 2. Write down three sentences from the story to support your idea.
Check the sentences are true or false.
1. In 1642 I began as a calculating machine F and could solve any mathematical problem. 2. My real father was Charles Babbage, who F wrote a book and build me in 1936. 3. After I got my new transistors in the 1960s, T I became smaller but cleverer and quicker. 4. I was brought into people’s homes in the T 1970s. 5. Since my birth I have been built to take the F place of human race.
Find the word or expression for each of the following meanings from the text.
revolution complete change in ways of thinking, working, etc network connected computer system
or
1. Help to do homework 2. Play computer games 3. Send e-mails 4. Listen to music 5. See movies 6. Chat 7. Search for information 8. Do shopping 9. Learn computer skills