高一英语computer教案

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3. Reading, identifying and settling
Attention, please! It is time to skim the text one more time and identify the difficult sentences. Try analyzing the structures of the difficult sentences and discuss them among your group members. You may also put your questions to me for help.
Chat （online）（在线）聊天
To chat is to talk about ordinary things that are not very important. You can chat to one person or to many people. People also use this word now for parts of the Internet where we can talk with many different people at the same time. Usually, you chat on the internet in a chat room or messaging service like AOL(American On-Line) Instant Messenger (AIM), Yahoo Messenger, or MSN Messenger.
IV. Comprehending
1. Scan the text for information to complete the table below, describing the development of computer.
In 1642 The computer began as a calculating machine.
In 1822 The analytical machine was made by Charles Babbage.
In 1936 The computer grew rapidly both in size and
in brainpower.
1940s The computer had grown as large as a room.
In 1960s The first family of computer was connected to each other.
In 1970s Computers were used in offices and homes.
Now Computers connect people all over the world
Together.
2. Read the text again and complete the chart below.
 Paragraph 1 Paragraph 2 Paragraph 3
Topic sentence Over time I have
been changed quite
a lot. These changes only
became possible
as my memory
improved. Since the 1970s
many new applications
have been found for me.
Supporting details  Calculating machine
 Analytical machine
 Universal machine
 PC
 laptop  tubes
 transistors
 chips
 network
 world wide web  communications
 finance
 trade
 robots
 mobile phones
 space rockets
 providing a life of
high quality

Period 2: Learning about Language
Teaching Aims:
To learn to use The Present Perfect Passive Voice
To discover useful words and expression
To discover useful structures
Procedures
I. Warming up by reading to the tape
To begin with, turn to page 18, listening to and reading to the recording of the text WHO AM I? Attention goes to the pauses and intonation, as well as the pronunciation of the reader.
 
II. Discovering useful words and expressions
In pairs do the exercises 1, 2 and 3 on pages 20. You must finish them in 10 minutes.
III. Learning about grammar
1. Passive Voice—Overview
Tense or Model Passive Sentence
Simple Present The TOEFL exam is given every six months.
Simple past The TOEFL exam was given last month.
Simple Future The TOEFL exam this year will be given on October15.

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www.qihang56.com Present Continuous The TOEFL exam is being given every year.
Present perfect The TOEFL exam has been given every year since 1950.
Past perfect The TOEFL exam had been given before the Vietnam War occurred.
Simple Modal The TOEFL exam should be given to every Foreign student.
Past Modal The TOEFL exam should have been given to all to enter US colleges.
2. The Present Perfect Passive Voice
The structure of The Present Perfect Passive Voice is: have/ has ＋ been＋~ed
IV. Reading aloud and discovering
Now go back to page 18 to read aloud and discover in the text examples of The Present Perfect Passive Voice.
…as a laptop, I have been used in offices and homes since the 1970s.
Since the 1970s many new applications have been found for me.
V. Discovering useful structure
We shall do grammar exercises 1, 2 and 3 on page 21.
 
VI. Closing down by doing a quiz
Correct the mistakes in these passive voice sentences
Example: The house was build in 1880. (correct = The house was built in 1880.)
1.  3000 employees were laying off. 
2.  A story will made up.
3.  An idea was putted forward for discussion.
4.  Has the book been give back to you yet?
5.  My bank loan will be payed off in five years time. 
6.  Nothing can be hold against me.
7.  Our allies will be lend support. 
8.  She has never heard of. 
9.  She was being knocked down by a bus. 
10.  She was letted off with a fine. 
11.  The candle was blow out by the draught. 
12.  The criminal were locked up. 
13.  The flood water was be kept back by barriers.
14.  The inconvenience will made up for by this money. 
15.  The keys must have been being left behind. 
16.  The old cinema is being pull down. 
17.  The protesters being held back by the police. 
18.  The road was blocking off. 
19.  Thirty more people were laid off last week. 
20.  Your jacket can be hanged up over there.
Period 3: Using Language
Teaching Aims:
To discuss about IT
To write a report about IT
To read about androids or robots
 
Procedures
I. Warming up by talking about IT
What is Information technology?
Information technology (IT) or information and communication technology (ICT) is the technology required for information processing. In particular the use of electronic computers and computer software to convert, store, protect, process, transmit, and retrieve information from anywhere, anytime.
II. Listening and writing
Turn to page 22. Discuss in pairs what IT consists of and then make a list. Listen to the text  about different kinds of information technology or IT, discuss and write down in groups the advantages and disadvantages of each kind.
III. Reading, speaking and writing
It is said that computers could be put into androids or robots. Read the text Andy—The Android, underlining all the expressions and think of the fun you could have!
Expressions from Andy—The Android
part of a football team, once a year, get together, play a football game, be as…as…, in fat, look like…, on the football team, run fast, think like a human, shout to…, in computer language, have a good shot for a goal, get second place, win the first place, have a new kind of program, improve one’s intelligence, create a better system, play against a human team, in a way, program…with…, make up…, after all, with the help of…

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