UNIT3Computers教案

UNIT 3 Computers

Teaching aims and demands

教学目的和要求

I. Topics: 1. Information technology;

2. History and basic knowledge of

computers;

3. Robots

II. V ocabulary:

calculate universal simplify sum operator

logically technological revolution artificial

intelligence intelligent solve reality personally tube

totally network web application finance mobile rocket

explore anyhow goal happiness download virus signal

type coach arise electronic appearance character mop

niece from …on as a reault so …that... human race

with the help of deal with watch over in a way

III Functions:

1. Make decisions

I think/don ’t think that … I believe that …

I ’ve decided that … Let ’s decide …

Let ’s make a decision.

2. Reasoning

The advantage/disadvantage is … I agree/don ’t agree …because …

Give me your reasons. First …Second …

What makes you thing so? I think …because(of)…

As/Since …,I think …

IV Grammar: the present perfect passive voice

Over time I have been changed quite a lot.

First as a PC and then as a laptop, I have been used in offices and homes since

the 1970s.

Over time my memory has developed so much that, like an elephant, I never

forget anything I have been told!

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

I have also been put into robots and used to make mobile phones as well as

help with medical operations.

The First Period: Warming UpPre-reading,

Reading and Comprehending

I. Teaching objects(教学目标)

1.Knowledge objects(知识目标)

(1) Get students to learn the useful new words and expressions in this part

(2) Let students learn about history and basic knowledge of computers.

2. Ability objects（能力目标）

(1) Develop students’ reading abilities and let them learn different reading skills.

(2) Practise students’ speaking and listening skills.

3. Moral objects（情感目标）

Arouse students’great interest in learning computers and let them learn to use computers in their daily lives.

II. Teaching Key Points（教学重点）

1 Let students learn more about history and basic knowledge of computers;

2 Get students to learn different reading skills.

III. Teaching Difficult Points（教学难点）

1.Develop students’reading ability.

2.Enable students to learn to express their opinions.

3.Let students know something about Personification.

IV. Teaching Methods(教学方法)

Task-based teaching and learning

V. Teaching Aids（教学辅助）

Multimedia facilities, tape-recorder, photos

V. Teaching Procedures（教学步骤）

Step I Leading in the topic（导入）

1.Show students some pictures and teach them new expressions in this part

2.Ask students to rank the pictures according to the time of their appearance

3.Get students to think what the next development may be.

Step II Reading（阅读训练）

1. Skimming（跳读）

(1). Ask students to look at the heading and pictures to guess what the passage might be about. Let one or two students give their opinions.

(2). Give studengts two minutes and ask them to read the passage fast for the topic sentences of each paragraph and then fill in the chart on page 19.

2. Scanning (略读)

(1). Give students four minutes and ask them to read the text carefully for the answers to the following questions.Before students read the passage,tell them that

3. Listening and reading aloud.(听读)

Play the tape of the text for students to listen to and follow. Then ask them to