高一下Unit 9 Lesson33[下学期]

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名称 高一下Unit 9 Lesson33[下学期]
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科目 英语
更新时间 2005-11-20 12:23:00

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课件15张PPT。welcomeUnit 9 Computers Lesson 33The computer is used in many places:
( in schools; hospitals; offices; factories; markets; radio stations; TV stations; research fields ….)The uses of computers in our daily life:
play computer games ;
get news or useful information;
draw some pictures;
type some compositions or articles…;
chat on the interline;
design clothes ….;
build defense systems;
….


3. There are some types :
( IBM PC 486;
IBM PC 586;
Pentium1;
Pentium2;
…. )
The dialogue: Questions :
1. Which one do they decide to buy at last?
( They can’t make a decision yet.)
2. Why do they need to make a decision quickly?
( The price will go up; the factory needs it)
2. What do they each choose to buy?
3. What are the reasons for their choices?
fill in this form:
IBM PC 586
IBM PC 486 It is improved;
It is bigger;
It is a waste of money to change .It is not necessary and a waste of money to
buy a bigger one;
It is big enough.Notes :IBM (a name of a company) International Business Machine
PC personal computer
might aux.a possible, not definite future situation(情况)
change … for… sell the small one and buy a bigger one instead
make a decision = decide
go up =rise
bring down = reduce ; make … small


Language study:
improve vt. make…better
e.g. 1) He studies hard to ~ his English .
=He studies hard and try to make progress
in his English.
2)You should take more exercise and try to
~ your health.
3) The soil has been much ~d.
vi. get better
e.g. The situation has been improving these days.
get … to do…. have …do….
1)Don’t worry. I will get your fiends to help you to do that.
get …done have … done
2) You’d better take him to the hospital and get him examined.

The expressions on making decisions:
In my opinion, we should….
What’s your opinion?
I believe we should ….
Any reason?
I don’t think it is necessary to ….
We must decide ….
I hope we make a decision….
Make up a similar dialogue Ask for one’s opinions:
your opinion/view? any reason/why?
what do you think of…?
how do you like…?
how about/ what about…?
show one’s opinions:
in my opinion/view I believe / I think….
I’m certain/ sure …. I don’t think it is ….
I prefer …to …. I’d rather than….
… …
( TV; washing machine;fridge; film; ….)

A: we’ve just moved in a new house
B: Really? Congratulations!
A: . And we want to buy a new television.
B: What kind of television do you want to buy?
A: A colour TV , of course. But I’m not about the size. Maybe we should a bigger one . If we buy a one, we might have to it in a few years’ time a bigger one. That would be
money. What’s your opinion?practice Thank you surechoose smallerchange for a waste of
B: In my opinion, I don’t think it’s to buy a very big one.
A: ?
B: Yes.As I know, your sitting room is not big . If you put in a very big television , that’ll be bad for your eyes. And a size TV can also pick good programs.
A: Mmm , that’s quite true . I’ll think it.
B: You’d better make a quick because the price may go soon . necessary Any reasonenough pick about decision upHomework :Write a similar dialogue in your exercise book;
Finish the workbook exercises.see you