With the development of science and technology, many new things have appeared in our lives.

Let’s guess what they are:

I am a machine which moves very fast on four wheels. You need a license (执照 ) and must be very careful when you drive me. Rolls Royce, Benz and BMW are some famous kinds of me.Who am I?

car

guess-1guess-1

I am a machine which is a good helper in doing house work. I wash clothes for people. Who am I?

washing machine

guess-2guess-2

I am a machine that you use to talk to other people even in a far-away place. We are connected by wire or radio. Now each of us often has a number.Who am I?

telephone

guess-3guess-3

I am an I am an old calculating machineold calculating machine used in China until now.used in China until now.

Who am I?

abacusabacus

guess-4guess-4

I am built to I am built to solve some solve some mathematical problemsmathematical problems. But I . But I am am too bigtoo big..Who am I?

huge computerhuge computer

guess-5guess-5

I am I am a small electronic machinea small electronic machine which can solve a large number of which can solve a large number of mathematical problems.mathematical problems.Who am I?

calculatorcalculator

guess-6guess-6

I am a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information… Who am I?

computer

guess-7guess-7

I am a kind of computer which can be taken conveniently like a notebook.

Who am I?

notebook computer (laptop)

guess-8guess-8

Reading

Task1 Fast-reading

Paragraph 1

Paragraph 2

Paragraph 3

Over time I have been changed quite a lot.

These changes only became

possible as my memory improved.

Since the 1970s many new applications have been found for me.

Find out the topic sentence of each paragragh

Task 2 Careful-reading (finish Exx.1.2 on page19)

1642:_____________________________________

1822:The Analytical Machine was made by Charles Babbage.

1936:_______________________________

___________________________

1940s:_________________________________

_____: The first family of computers was connected to

each other.

1970s:_________________________________

Now:_____________________________________

Paragraph 1 Over time I have been changed quite a lot.

Paragraph 2 These changes only became possible as my memory improved.

Paragraph 3 Since the 1970s many new applications have been found for me.

•Calculating machine •• • •

•Tubes •• • •

•Communications •Finance

• • •• •

Task 2 Careful-reading (finish Exx.1.2 on page19)

1642:__________________________________ _______________

1822:The Analytical Machine was made by Charles Babbage.

1936:_______________________________

___________________________

1940s:_________________________________ _______

The computer began as a calculating machine.

The computer grew rapidly both in size and in brainpower.

The computer had grown as large as a room.

Task 2 Careful-reading (finish Exx.1.2 on page19)

_____: The first family of computers was connected to each other.

1970s:_________________________________ ______

Now:__________________________________ ___________________

Many new applications have been found for computer.

1960s

Computers were used in offices and homes.

•Calculating machine

Paragraph 1 Over time I have been changed quite a lot.

•Analytical machine

•Universal machine

•PC •laptop

Paragraph 2 These changes only became possible as my memory improved.

•Transistors

•Chips

•Network

•World Wide Web

•Tubes

Paragraph 3 Since the 1970s many new applications have been found for me.

•Finance •Trade

•Robots

•Mobile phones

•Communications

•Medical operations •Space rockets

Task3 Star sentences

Over time I have been changed quite a lot.

经过一段时间我已经被改变了很多。

Sentence 1 P1 L1 Sentence 1 P1 L1

I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.我发展缓慢，差不多过了两百年之后，查尔斯 . 巴比奇才把我制成了一台分析机。

Sentence 2 P1 L3 Sentence 2 P1 L3

Over time my memory has developed so much that, like an elephant, I never forget anything I have been told!

随着时间的推移，我的记忆能力发展得如此之快，就像一头大象一样，从来不会忘记被告知的任何事情！

Sentence 3 P2 L20 Sentence 3 P2 L20

I have also been put into robots and used to make mobile phones as well as help with medical operations.

我还被放在机器人里面，被用来帮助做医疗手术，并且用来制作移动电话。

Sentence 4 P3 L20Sentence 4 P3 L20

我现在真的非常高兴我能够成为人类忠诚的朋友和帮手 !

I am now truly filled with happiness that I am a devoted friend and helper of the human that I am a devoted friend and helper of the human race!that I am a devoted friend and helper of the human race!

Sentence 5 P3 L33 Sentence 5 P3 L33

◆1.Over time I have been changed quite a lot.◆2.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.◆ 3.Over time my memory has developed so much that, like an elephant, I never forget anything I have been told!◆4.I have also been put into robots and used to make mobile phones as well as help with medical operations.◆5. I am now truly filled with happiness that I am a devoted friend and helper of the human race!

1.Find out the sentences that you don’t understand in the text.

2.Finish Exx.1.2 on page 20