文档内容
Period 2 Learning about Language
The General Idea of This Period：
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.
Teaching Aims：
1.Help the students to learn to use some useful words and expressions.
2.Enable the students to learn how to use the present perfect passive voice.
Teaching Important Point：
The use of the present perfect passive voice.
Teaching Difficult Points：
How to master the usages of some important words and phrases and the Present
Perfect Passive Voice.
Teaching Methods：
1.Task-based learning.
2.Cooperative learning.
3.Explanation and practice.
Teaching Aids：
1.A tape recorder.
2.A multimedia.
Teaching Procedures：
Step 1 Revision
T：Boys and girls，in last period we learned something about the history and
development of computers.Now who would like to retell the text with the help of these
figures?
S ：Let me try.In 1642，a calculating machine was used in France.Then in 1922，the
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Analytical Machine was made by Charles Babbage.It could follow instructions from cards
with holes.In 1936，Alan Turing，the real father of computers，wrote a book to describe
how computers could be made to work and built a “universal machine” to solve any
mathematical problem.Later ， people discovered the computer had “ artificial
intelligence”.In the 1960s，the computer got his new transistors.Its size was totally
changes at that time.And in the early 1960s，the first family of computers were connected
to each other.In 1970s，computers have brought into people’s homes.Now computers have
been used by billions of people to deal with information and communicate with each
other around the world by the Internet.
T：Congratulations!You’ve done very well.Now try to do the same to your partners，
OK!
Step 2 Words and Expressions
Task 1
T：Please turn to Page 19 and finish Discovering Useful Words and Expressions.At
first，look at Ex.1.From the reading passage，find the words and expressions with the
1following meanings.Now ， ten students will be asked to give the words.Who can?
Volunteers!
Check the answers together.
Task 2.
T：Well done.Now please look at Ex 2.and complete the passage with some of the
words above.Pay attention to the use and the forms of those words.
The possible answers：
network so that went by totally truly simple-minded Anyway deal with
Task 3
T：Please finish Ex.3.Look at the sentences on Page 20.Tick the right word.Then
some of you will be asked to read the sentences one by one.
The possible answers：
1.Life totally changed when I went to university.
2.I was amazed to find that I won the competition to design a new computer.
3.The competition was so exciting that we cheered all evening.
4.I was so excited at the thought of meeting Yang Liwei that I could not sleep.
5.Robots can be bought so cheaply that I gave one to each of my friends.
6.It was so unlucky that you lost your watch at the concert.
Task 4
T：Please turn to Page 56 and let’s finish Using Words and Expressions.First look at
Ex.1.Read through the words in the right-hand box below.Use some of them to name each
part of a computer in the left-hand box.We have known about computer.But who can give
us the exact names?
The possible answers：
1.floppy disc 2.hard disc 3.scanner 4.modem 5.CD-ROM 6.monitor 7.keyboard
8.printer
Task 5
T：Now please look at Ex.2.Complete the sentences with some of the words in the
right-hand box above.You can use each word only once.First do the exercise individually，
and then check your answers with your partners.And last seven students will be asked to
report their answers to the class.
The possible answers：
1.A printer is a machine for printing text or pictures onto paper，especially once
connected to a computer.
2.A CD-ROM or disk is the main device that a computer uses to store information.
3.A monitor is used to see your data on a computer.
4.A keyboard is used to put data into a computer.
5.A CPU is often used to connect computers to each other through phone lines.
6.Data can also be stored in a floppy disc，which is small and can be carried easily.
7.A hard disc is a disc that contains computer data.It can store a large amount of
data.
Step 3 Grammar—The Present Perfect
Passive Voice
T：Boys and girls，now please pay attention to the following sentences in the text：
21.As the years have gone by，I have been made smaller and smaller.
2.Since then，my family and I have been used by billions of people to deal with
information and communicate with each other around the world by the Internet.
3.I have truly been built to serve the human race since my birth.
T：What verb tense is used in these sentences?And what verb voice is used in these
sentences?
Yes，the present perfect passive voice is used in these sentences.
Can you tell us the structure of the present perfect passive voice?
Quite right.The structure of the present perfect passive voice is “subject＋have/has
been done＋object”.The function of present perfect passive voice is indicating verbs’ the
present perfect and the passive voice.OK，let’s practise the present perfect passive voice.
Task 1
T：Please turn to Page 20.Let’s finish Discovering useful structures.
At first，look at Ex.2.According to examples，change the following sentences into the
present perfect passive voice.Put the verbs into the correct form.
Suggested answers：
1.A new personal computer has been bought.
2.Many problems have been found with our new computer.
3.A PC has been built the way we wanted.
4.Our computer has just joined to the Internet.
5.The computer has been used every day since we bought it.
6.A lot of e-mails have been written on the computer in the last year.
Task 2
T：Class，let’s play a game called “What has been decided”.Now，get into groups of
four.Your task is to decide what things have been decided for the class.Take turns to make
the ideas as interesting and lively as you like.You may finish them according to
EXAMPLES on Page 21，（or finish Ex.3 after class.）Then collect the ones you all like best
and be prepared to tell them to the class.
Suggested answers：
S ：It has been decided that those who know of the computer will be asked to say
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something in class.
S ：It has been decided that those who didn’t clean the blackboard will be asked to
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come into office after school.
Task 3
T：Now，please turn to Page 57.Finish using structures.First，look at Ex.1 and change
the following sentences according to the model，and pay attention to the passive voice
form.First do the exercise individually ， and then check your answers with your
partners.After that we’ll check the answers in class.
Step 4 Homework
T：OK，it’s almost time for a break.Now look at Ex.2 on Page 57.Translate the
following sentences into English after class.The words and expressions in brackets may
help you.
Step 5 The Design of the Writing on the Blackboard
Unit 3 Computers
3Period 2
The Present Perfect Passive Voice
1.As the years have gone by，I have been made smaller and smaller.
2.Since then，my family and I have been used by billions of people to deal with
information and communicate with each other around the world by the Internet.
3.I have truly been built to serve the human race since my birth.
Structure：
“subject+have/has been done+object”
Step 6 Record after Teaching
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