55
CRIME LAB
7.1
2
b
Read the reviews again and answer these questions.
1
Which programme does the reviewer prefer?
2
How many crimes are there in
Crime Lab
this week?
3
What problems does Dan Turner face?
4
What is the smallest thing that scientists analyse?
3
Find verbs or verb phrases in the reviews that mean:
1
find the answer to a problem
2
find or learn something that you did not know about
3
show something that you could not see before
4
examine something carefully in order to understand it
5
break the law; do something illegal or wrong
LISTENING
4
a
7.1
Listen to the first part of an interview between
Iris Battle (a forensic scientist) and a researcher for the
documentary programme. Which of these topics do
they discuss?
a
the two teams of employees
b
work in the laboratory
c
the researcher’s main interest
d
the effects of the TV dramas
e
work at the crime scene
4
b
Listen again. Fill the gaps with information that Iris
Battle gives.
Crime-scene analysts
1
the evidence, but the
forensic scientists
2
in the lab. The analysts do
not want to
3
the evidence, so they wear rubber
gloves. They take careful notes so that the scientists
4
the evidence has come from. In reality, most
of the crimes are burglaries, but on TV they
5
.
5
a
7.2
Look at the words in the box and check
their meanings. Then listen to the second part of the
interview and make notes.
patient test results rules image apply for a job
5
b
Work with a partner and use your notes to
describe the work in the laboratory and the effects of
the TV dramas.
6
Making personal connections
Discuss these
questions with your partner.
1
Which police and crime dramas do you watch? Do
those programmes use forensic science?
2
Have you seen any documentaries about police
work and about forensic science? What differences
have you noticed between the dramas and the
documentaries?
3
How do the police use science and technology
in your country, e.g. DNA, CCTV cameras, speed
cameras, computer databases and ID cards? What is
your opinion about these things?
4
Would you like a career connected to science or
technology? Why?/Why not?
GRAMMAR
SHOULD
,
MUST
AND
HAVE TO
7
a
Put the sentences below (1–6) from the interview
into these five groups (A–E).
A
It is a good or correct idea to do this.
B
It is not a good or correct idea to do this.
C
It is necessary to do this (there is no choice).
D
It is necessary to not do this (there is no choice).
E
It is not necessary to do this (there is some choice).
1
You must turn your phone off.
2
You should make that clear.
3
You don’t have to study law.
4
We mustn’t eat or drink in the lab.
5
You shouldn’t ask me.
6
You have to study chemistry or biology.
7
b
Look at Audio scripts 7.1 and 7.2 on pages 154–155
and find more examples of this language. How do we
make questions with
should
,
must
and
have to
?
¬
Language reference and extra practice, pages 114–115
8
a
Correct the mistakes in these sentences.
1
She have to check the evidence carefully.
2
We mustn’t to eat or to drink in here.
3
As I’m a DNA expert, I haven’t to know about guns.
4
They should to say sorry for being late.
GRAMMAR TIP
Must
and
have to
are very similar in meaning in the
positive form. You usually use
have to
when you
talk about laws, rules, etc. You often use
must
when
you give your opinion that something is important.
However, you need to remember the negative forms of
must
and
have to
are different in meaning.
8
b
Complete the sentences below with the correct
form of
must
,
have to
and the verbs in the box.
(Sometimes both forms are possible.)
have (x2) lend make wear (x2)
1
A forensic scientist
must have / has to have
a
university science degree.
2
A police officer
a university degree.
3
A forensic scientist
a uniform.
4
A police officer
a uniform.
5
A forensic scientist
any mistakes.
6
A police officer
his/her gun to anyone.
8
c
Work with a partner. Make sentences similar to
those above, comparing and contrasting these pairs.
•
judge and lawyer
• student and teacher
•
police officer and nurse • artist and bank manager
SPEAKING
9
Work with a partner.
Student A:
Turn to page 144.
Student B:
Turn to page 148.
