Page 59 - Full Solutions 2nd Pre-Intermediate Student Book_Neat

3 Read the text. What three things do lie detectors measure? ,ff$}r, ff?i$&f aeld eosld

& Read the text and undertine atlthe examples of moy, might
ABII YOU Lie detectors detect small and could, Which two are negative?
changes in a person's body
LYING? when they aren't telling the
truth. Ifyou teil a iie, you
feei stressed. And ifyou are
stressed, your heart starts to
beat faster. The Iie detector
measures your heart rate
while you are answering
questions. It also checks your
breathing. You breathe slowly
if you are relaxed, but if you
tell a lie, you breathe more
quickly. Finally, it measures
the sweat on your fingers. If
you lie, you sweat more!

Study the verbs in the zero conditional sentences in blue in
the text. Then comptete the first rule in the Learn this! box.
y
Zero conditional Read and complete the rules inthe Learn thisl box.
fl f We use the in the f ctause and we
,,,,.:,:riiu.blttl'ulsrthte :..--. 'tEnsd in'':the:maih clause.
-tense
;2.:,T,h,e rfitauie'ca,nt com,e-befor:e-.oi: after ih e'ma i n
ctause. lf it comes after, we don't use a comma.
" Yd i' b r, elth e,slowty.'rf,yiiu' ore, ritoxb:d';,ir::, :
W gmgnnmAR &l",lll)€K 6ll!: PAGE 11& W

H'ilfit?Illfl Worl< in pairs. Can you complete the facts? Use
the zero conditiona[ and the verbs below. & Complete the sentences. Use moy, might or could and the
verbs below.
get get gst heat nre{t water
be get nelt give refuse se[[ tr$c
1 lf you leave butter in the sun, ...
2 Plants die if ... 1 lf it's a war fitm, it quite violent.
3 lf you mix green, red and btue tight, ... 2 lf the stunt is too dangerous, she to do it.
3 lf you write down your PIN number, someone _
4 lf you mix green, red and blue paint, ... - it.
-
5 MetaI turns red and then white if ... 4 I a burger from the take-away.
6 lf you subtract 1,2345 from 23456, ... 5 lf you lose your receipt, they a refund.
-
h Complete the sentences with information that is true for 6 They- garden furniture at the garden centre.
-
you. Use the zero conditiona[. m}, {;RArl,t,MAx mu'Loe!? {i$: F&se :1c{ &
I mgffi Work in pairs. Tellyour partner:
1 My parents get angry if ...
2 lf I don't feelvery wet[, ...
3 | do better in exams if ... . something you may do if the weather's nice on Sunday.
. something you might not want to do this evening.
4 lf I stay out very [ate, ...
5 I get annoyed if ... . somewhere you coutd go on Saturday evening.
. something you could wear to a party.
6 lf I feet sad, .;.
. somebody you might see in the next couple of days.
mmfilfil Work in pairs. Compare your sentences from . a subiect you coutd study at co[lege or university.
exercise 4. Are any of them the same? . somewhere you might go on holiday.

Unit6 " HowtechieareyouZ j57