pet sb answer key u9

9 Science and technology
Lead in
1

a
b
c
d

p70

aeroplane (1)
paper (2), microwave oven (6)
camera (3)
microscope (4), telescope (5)

Reading

cameras, planes, paper, telescopes

2

1 T (line 14)
2 F (... currently only exhibit about a quarter of the
things they own (line 17)
3 F (without leaving the museum (line 23)
4 T (... you must apply in advance (line 27)
5 T (lines 31–34)
6 T (Many people come back a second time
(line 42)

1

2

3

20

a
b
c
d
e

Who was paper invented by?
Who were the Pyramids built by?
Where are oranges usually grown?
When were mobile phones first sold?
Where are camels used for transport?

5

1
2
3
4
5

b The Pyramids were built by the Egyptians.
c Oranges are usually grown in hot countries.

d Mobile phones were first sold in the 1970s.
e Camels are used for transport in the desert.
a Paper was invented by the Chinese.

p70

1

Grammar

4

p71

The original was built by Konrad Zuse (line 15)
The museum is divided into fourteen departments
(line 16)
a suitcase is made (line 22)
The Space Museum ... was set up in 1896 (line 36)
1 to be
2 past participle
3 action
a A lot of tea be is grown in India.
b A painting has was stolen from the art gallery
last night.
c My shoes was were made in Italy.
d When is were X-Rays discovered?
e Who was the World Wide Web inventing
invented by?
f The football cup final was saw seen by millions

of fans.

Vocabulary
1

a
b
c
d
e
f
g
h

4
7
5
1
3
8
6
2

p72

software
calculator
computer
keyboard
laptop

mouse
printer
screen

B

I

M

T

S

C

R

E

E

N

E

L

N

Q

V

Q

C

X

R

D

C

O

U

Z

P

K

M

M

A

P

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J

O

O

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J

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L

T

D

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Y

W

D

C

P

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Y

P

N

F

H

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B

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U

D

A

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T

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B

T

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J

A

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P

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F

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A

R

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T

D

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E

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C

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K

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A

B

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B

O

N

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PET Result © Oxford University Press


Grammar

Vocabulary

p73

1

A I need a new mobile phone. positive
A I don’t buy expensive clothes. negative
A The boys don’t like playing computer games.
negative
A Josh thinks this laptop is great. positive

2

1
2
3
4

So do I.
Neither / Nor do I.
I don’t.
I do.

a
b
c
d
e
f

6
1

2
5
4
3

3

Listening

laptop, screen, computer, keyboard, mouse

3

1 correct: ... didn’t you buy a new laptop recently?
– That was six months ago.
2 incorrect: I think it’s much nicer than the other
one. – Well, so do I.
3 correct: In my opinion, people change their
computers too often. It just isn’t necessary.
4 correct: Well, I find it relaxing.
5 correct: Technology has improved all kinds of
things about our lives. – I can’t argue with that
6 incorrect: Well, I’ve had three, but every time
I buy a new one, I give my old phone to
somebody else.

Speaking

p74

2

e1

b1

c2 d2

photographer, artist, designer, banker, politician,
dancer, instructor, librarian, scientist, producer,
musician, sailor, director, writer

Writing

p75

1

c, e

2

a No, it’s too long.
b I bought some games last year, but I never play
them. (1d)
My computer’s quite old and I’d rather have a
laptop, but never mind. (1a)

p73

2

a1

1

p75

f2

PET Result © Oxford University Press

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