Using LanguageⅠ公开课教案

Unit 3 Computers Teaching aims: Topic

Information technology; history and basic knowledge of computers; robots Useful words and expressions:

Calculate

calculator

PC

notebook

common

analytical

simple

simple-minded

technology

technological

revolution

universal

mathematical

artificial

intelligence

anyway

totally

network

truly

race

birth

IT advantage

disadvantage

type

disagree

choice

material

personally

create

coach

move

arise

brain

mop

wander in common

in one’s opinion

go by

so …that…deal with

human race

in a way

make up

after all

with the help of

watch over

Period 1.

Teaching Aims: To talk about computer Difficult and Important Points:

How to use the

language by speaking To learn about computer

Teaching Aids:

A recorder A projector and some slides [来源:学科网Z.X.X.K][来源:Zxxk.Com]

Procedures Step 1. Step 1. Revision

Revise what we learned in unit2. Step 2. Warming up

1. Ss talk about the pictures on the screen with the teacher’s help.

An abacus is an old calculating machine used in China until now.

A huge computer is built to solve some mathematical problems. But it is too big.

A calculator is a new calculating machine which can solve a large number of mathematical problems.

A PC is a personal computer which can

solve all kinds of problems and is used widely now.

A notebook computer is a kind of useful computer which can be taken conveniently like a notebook.

2. Now let’s discuss what they have in common in small groups. Remember to use some of the following expressions.

I think that…

In my opinion…

I believe that…

What’s your reason?

Why do you think so? Step 3.

Reading

[来源学科网ZXXK]1. Pre-reading Ss in groups discuss the following questions:

1）. What do you know about computers?

2）. How have computers changed our lives? 2.

Reading

1. Ss read the passage and get the general idea.

(The text is mainly about the history and development of computers. And it is also about the relationship of computers and humans.)

2.

Ss read the passage and finish the timeline on page 19.

Suggested answer:

1642: The computer began as a calculating machine.

1822: The Analytical Machine was built by Charles Babbage.

1936: Alan Turing wrote a book to describe how computers could be made.

1960s: Computers had new transistors and become smaller.

1960s: The first family of computers connected to each other.

1970s: Computers were brought into people’s homes.

Now: Computers connect people all over the world together. 3. After-reading

(1). Ss discuss: [来源学科网]

What changes have computers and the internet brought to schools?

What changes will they bring to schools in the future? (2). Debating

Topic:

Surfing the internet more is good for young students.

Surfing the internet more is bad for young students. 4. Homework

1. Read the text more and find out the key words and phrases

2. Do Ex. 2 on P19-20.The design of blackboard: Unit3 Computer Debating Topic:

Surfing the internet more is good for young students.

Surfing the internet more is bad for young students.

Teaching reflection：

本节课是阅读课，众所周知，阅读课分为三个部分，pre-reading，while-reading，post-reading，本节课值得学习的是它的pre-reading中的讨论，事实上讨论就是一次brain storm。经过讨论后，学生会对接下来阅读的文章产生浓厚的兴趣。在以后的教学中，应该学习这一点。