Learning about Language教案2

Unit 3 Computers

Reading Teaching aims

1. Knowledge aims (1)Get the students to learn the useful and expressions in this part. (2)Let students to learn about history and basic knowledge of computers. 1.

Ability aims Develop students' reading abilities and let them learn different reading skills. 3.Emotion aims : Arouse students' great interest in learning computers and let them learn to use the computers in their daily lives. Teaching difficult and important points 1.Let the students learn more about history and basic knowledge of computers. 2.Get the students to learn different reading skills. Teaching methods 1.Task-based teaching and learning 2.Cooperative learning 3.Discussion

Teaching procedures

Step1.Warming up

What is it?

Give some sentences to describe different kinds of calculating objects and some pictures to help the students to guess what it is?

① An old calculating machine used in China until now. An abacus ② It is a new calculating machine which can solve a large number of

mathematical problems. A calculator ③ It is built to solve some mathematical problems. But it is too big.

A huge computer

④ It is a computer which can solve all kinds of problems and is used widely now . A

PC / desktop

⑤ It is a kind of computer which can be taken conveniently(方便). A laptop / notebook computer Step2.pre-reading

The history of the computer Abacus

huge computer calculator

PC

Laptop

Palmtop

Step3. Reading and listening

(1)Skimming Task 1.Who am I ? Task 2. Find out the main idea of each paragraph.

(history

development

applications) (2)Scanning Task1 .Read the passage and choose the best answer.

Read the passage and choose the best answers. 1.What can we learn from the text? A Computer has a short history. B No one knows

computer when the first computer was made. C Computers are not widely used even today.

D Computers are widely used. 2. Who was the computer’s real father?

A

Alan Turning

B Not mentioned in the text. C

Bill Gates

D Charles Babbage 3 .The computer almost changed completely _______. A

in 1642

B

in 1882

C

in the 1960s

D

in the 1970s 4. When were the computers connected firstly?

A

In the 1970s

B

In the early 1960s

C

In 1936

D In 1822 5. Which of the following statements is not right? A Computer has a long history. B Computer has changed greatly since it was first made. C Computers are widely used now. D Computer was brought into people’s

home in the 1960s.

Task2. True or False 1. Alan Turing built an Analytical Machine to solve any mathematical problems. 2. People began to realize that the computer got cleverer and quicker with time passing. 3. The computer began to serve the human race since it was brought into people’s homes.

4. 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. Task 3: Look at the timeline below. Fill in the blanks with information from the reading text. Time 1642 1822

1940s

1970s now

1642: The computer began as a calculating machine 1822: The Analytical Machine was made by Charles Babbage. 1936: The computer grew rapidly both in size and in brainpower. 1940s: The computers had grown as large as a room. 1960s: The first family of computers was connected to each other.

1970s: Computers were used in offices and homes Now: Computers connect people all over the world together. Step4. Discussion What are the advantages and disadvantages of the computers? In my opinion,I can use the computer to….

I think ----- As far as I am concerned ,----- The development of the computers

The Analytical Machine was made by Charles Babbage.

The first family of computers was connected to each other.

Advantages 1. use a computer for school work 2. play games on the computer 3. send emails to friends 4. download music and films 5. go shopping on line 6. use QQ to make friends 7. communicate with others

Disadvantages 1.Some students may get too addicted (沉溺于)to it . 2.Some students waste too much time in playing computer games. 3.Some students spend too much time in chatting with others and may be cheated (欺骗)by someone on line. 4.As a result, they have little time to study

5. It is bad for our eyes and health to spend long time in front of computers. Step5.Summary about the text Task1.

The computer __________ a calculating machine in 1642, then in 1822, it was built as an___________by ________________. At the year of 1936, AlanTuring ____________ to describe how computers _____________to work ,

and build a “universalmachine” to solve_________________. With the development of __________________ Task2. In the 1960s, computers had new __________and became_______________,then

were connected to each other by_________. As the years had __________,computers were___________,people’s homes. Now

computers have become the most important _________to _____________all over the world together. Step5 .Homeworrk 1.Read the passage fluently. 2.Write an article about the discussion 3. Retell the passage .

Computers

(Reading)

宿州学院附属实验中学

王磊