Learning about Language公开课教案（教学设计）

Unit3 computer

Section 2 Learning about Language

Teaching Goals:

1. To know something about computers. 2. To learn some reading skills..

Teaching important and difficult points 1.Enable students to

understand the development of computer 2.Develop the students’

ability to get special information and take notes while reading. Teaching procedures Step 1. Leading-in Play a video about the development of computer Step2. Warming up

Show some pictures and ask the students to match them Step3.Pre-reading

Step4 Reading Task1:(Paragraph1) Ask the students to do the exercise according to

the timeline .

1642(

)→1822(

)→1936(

)→1940s(

)→1960s(C )→1970s(

)→now(

) A. The analytical machine was made by Charles Babbage. B. Computers connect people all over the world together. C. The first family of computers was connected to each other. D. The computers had grown as large as a room. E. The computer grew rapidly both in size and in brainpower. F. The computer began as a calculating machine．

G. Computers were used in offices and homes. Task2：(Paragraph2)

Ask the students to fill the blank . These changes only became possible as my memory improved. First it was stored in tubes, then on transistors and later on very small chips. As a result I totally changed

my 1

. As I have grown 2

I have also grown 3

. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! And my memory became so 4

that even I couldn't believe it! But I was always so

5

standing there by myself, until in the early 1960s they gave me a family connected by a network. I was able to 6

my knowledge with others through the World Wide Web. Task3：(Paragraph3) Make the students to complete the blank.

communication

1

2

applications 3

4

5

space rockets

Step 5 Post-reading

1. “I”

in the passage refers to _____.

A. A TV set

B. A computer

C. A radio

D. The internet 2. When was the computer the biggest?

A. In 1642

B. In 1936

C. In the 1940s D. In the 1970s 3. How old is the computer?

A. About 370 years old

B. About 270 years old.

C. About 170 years old.

D. About 470 years old. 4. What can you infer from the text?

A. The computer has artificial intelligence.

B. The computer changes greatly 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. 5. Who was the first person to make the earliest computer?

A. Alan Turing.

B. Charles Babbage.

C. Charles Turing. D. Charles Alan. 6. When was the universal machine built?

A. In 1822.

B. In 1642.

C. In 1936 .

D. In 1940. 7. What happened to the computer in the 1960s?

It was put into robots and used to make mobile phone. B. It was given a family connected by a network. C. It began to be put into space rockets D. It began to be used in the offices.

Step6 Homework

I, the c_________, was a calculating machine in 1642 in F_______. In 1936, I became a “u________ machine”

to s_____ any mathematical problem. Since the 1970s I have been used first as a P___ and then as a l______in office and h______.Many changes have happened to my s____, so my s______ totally changed.I have been widely used in many fields, I have also been put into robots to e_______the Moon and Mars.