人教版高中英语必修二Unit 3 computers reading 公开课课件

人教版高中英语必修二第三单元阅读公开课课件

Unit 3 ComputersBy Jen

人教版高中英语必修二第三单元阅读公开课课件

Look at the following pictures and tell their English names.

abacus

calculator

人教版高中英语必修二第三单元阅读公开课课件

huge computer

PC personal computer

人教版高中英语必修二第三单元阅读公开课课件

laptop

PDA Personal Digital Assistant

人教版高中英语必修二第三单元阅读公开课课件

robot

人教版高中英语必修二第三单元阅读公开课课件

Can you tell the development of computers?

abacus

calculator

huge computer

robot

PDA

laptop

PC

人教版高中英语必修二第三单元阅读公开课课件

Do you know in what ways computers are used today? Discuss it with your deskmate.(2 min)

人教版高中英语必修二第三单元阅读公开课课件

search for informatio n

watch movies

人教版高中英语必修二第三单元阅读公开课课件

listen to music

read books and magazines

人教版高中英语必修二第三单元阅读公开课课件

buy things online

play games on the computer

人教版高中英语必修二第三单元阅读公开课课件

Reading

Who am I?

人教版高中英语必修二第三单元阅读公开课课件

Can you find out the topic sentence of each paragraph?

人教版高中英语必修二第三单元阅读公开课课件

Skim the passage and find out the topic sentence in each paragraph. (2 min)Para I:

Over time I have been changed quite a lot.

Who am I?

Para II:

These changes only became possible as my memory improved.

Since the 1970s many new applications Para III: have been found out for me.

人教版高中英语必修二第三单元阅读公开课课件

Can you find out the main idea of this passage?A. The development of computers. B. A machine which is simple-minded. C. The development and the applications of computers. D. Computers may replace human beings.

人教版高中英语必修二第三单元阅读公开课课件

Read para 1 and fill in the chart. (2 mins)Time Machine Applications

calculating A __________ machine 1822 An analytical About in _____ machine universal In 1936 A ________ machine In 1642 By the 1940s A larger machine

Simplify ________difficult sums logically Think_________ Solve any difficult problem

Reality ______worried the designers Used in offices Personal computer/ _______________ Since the 1970s Laptop and homes ____________ _______________

人教版高中英语必修二第三单元阅读公开课课件

F F

Read para 2 and then tell the statement true or false. (1 min)1. My shape didn’t change even though my memory improved. The information was stored in tubes, then 2. The older I am, larger I have become. on transistors and the later on the chips. As I have grown older I have also grown smaller. 3. Over time I have large memory so that I will not forget anything I have been told.

TT

4. I was able to share my knowledge with others through the World Wide Web in the early 1960s.