Learning about Language教案和学案内容

Book 2 unit 3 computers

Learning about Language 天水市九中

胡秀珍

This period includes revision of the text, learning about language. From this period the students will learn how to use some of the key words and expressions in the text and do some exercises for consolidation，and learn how to use the Present Perfect Passive Voice.

1.Help the students to learn to use more

useful words and expressions. 2. learn about

the present perfect passive voice.

Teaching Important Point：

Consolidate the difficult words from the reading passage Teaching Difficult Points：

How to master the usages of some important words and phrases and the present perfect passive voice.

1.Students books 2.A multimedia.

Teaching Method

1.Task-based learning. 2.Cooperative learning. 3.Explanation and practice. Step 1 Discussion and lead in

Say: Are you familiar with these computers? Can you call them?

Q1:How do you often use computer when you go home ?

S1;I often use a computer to…

S2I sometimes use a computer to ….

S3I never use a computer to…

Students answer the questions according to the pictures given on the whiteboard . When students try to give answers ,they are revising the difficult words as well as improving their

speaking ability.

The suggested answers are as follows: Play games/ communicate with others surf the Internet/

Listen to music watch movies

read news Buy the things I like, eg: books and CDs Learn English

download

related information from Internet and so on Step2 Review and language points

Q1: How do you use computers and the Internet? Many new

of computer have been found

A appearance

B

IT

C

revolution

D applications

Q2

Do you know other applications of computer?

Try to replace the underlined part using the words and phrases from the reading passage 1

Computer has become important in communication ,trade and the acyivity of managing money 2

It has been put into the machine that can think logically and look like human beings

3

It has been used to make the phones that can be moved from place to place

as wall as help with help with medical operations 4

It has even been put into space rockets and sent to Mars and the moon to find them

5

Anyway ,Its aim is to provide humans with a life of high quality

Answers : finance : activity of managing money (金融)

robot :a machine that can think logically and looks like a mankind mobile : can be moved easily from a place to place (可移动的) explore : travel around an area to find out about it ( 探索) Anyway: anyhow Q3: when have the new applications been found?

Many new

applications

of computer have been found

since the 1970s The computer had grown as large as a room by the 1940s

到20世纪40年代,电脑已经长的像屋子那么大了

The first family of computers was connected to each other by network until the early 1960s 直到20世纪60年代早期,家庭电脑才通过网络相互连接起来

Pay attention the time adverbial used in the sentenses above

expain to the students why the present perfect tense is used in the first sentence

while the past perfect tense is used in the second sentence

In the

following sentence

share …with is rewied

We can

our knowledge with others through World Wide Web A

download

B explore

C share

D complete

Share…with

在学校里我和其他七位同学合住一个寝室

I share a dormitory with other seven classmates in school The computer had grown as large as a room by the 1940s

The first family ….. by network

until the early 1960s Many new

applications

of computer since the 1970s The computer

quite a lot A

has been changed

B has changed

Review

the passive voice

and the present perfect passive to the students and tell the difference as well as why the present perfect tense is used here

Q4: How has computer been changed overtime? calculating machine→analytical machine→ universial machine →personal computer

→laptop→ robot

Ask the students to find how the computer has been changed overtime and what their names are on each stage Review the difficult words show above by looking for and repeating them Q5: Can you describe the development of the computer? 1

Fill in the blanks according the text

Over time ,I have been changed quite a lot,

_____________

I could simplify

difficult sums.

It took nearly 200 years

____ I was built by Charles Babbge. Then

I could think logically. ________

it was consider a technological revolution

and the start of my “

artificial intelligence

” . when I became universal

machine, I could

solve

any difficult

mathematical

problem_________

I grew rapidly both in size and in brainpower. ____________ I was made smaller but my memory improved First it was stored in

tubes

then on transistors and

___

on very small chips. ________ I totally

changed my shape and

___________ I grew smaller ,however, my memory

developed So much

that

I never forget anything I have been told……STEP3 Discovering

useful words and phrases 1 revolution

complete change in ways of thinking ,working

2 network

connected computer system 3Simplify

to make things easier 4calcuate

find the answer using numbers 5 mobile

can be moved easily from place to place 6 solve

to work out the answer to a problem 7explore

to travel around an area to find out about it

8totally

completely 9anyhow

anyway 2

Complete the passage with the words below

My brother was very interested in computers and enjoyed writing programs of his own. He used to download information from the Internet and made good use of it. He liked to ________the World Wide _______ and used the Internet to communicate with computer programmers all over the world. When he went to university he studied IT( information ____________) and developed a special interest in __________ intelligence. After developing special ___________ of the computer, he hopes to design an __________ robot which can think _________ and look like a human being, but in _______ he has a long way to go.

Step 3 Summarize In this class we first practiced the oral English of the students

by asking them to describe the functions of the students

the result is that the students participated the speaking as

much as they can .Then we consolidated the vocalbulary

by studying more functions of the computers. Next we memorized more difficult words by studying how computers have been changed .At last we strengthened to consolidate more important and difficult words by finished two passages

and more guessing words exercises

Step 4 Homework 1 Finish exercise 2 on page 20 2 Find the sentences in the present perfect passive voice

from the reading passage.