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Last Class

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Last Class

First Conditional
If + S + present simple, S + will / won’t + verb.

S + will / won’t + verb + if + S + present simple.

For example:
If I pass all my exams, I’ll go to university.
I’ll go to university if I pass all my exams.

• We can make predictions with the first conditional.


You’ll cut yourself if you aren’t careful with that knife.

• We can use may / might / could in the main clause to make the prediction less certain.
You might cut yourself if you aren’t careful.
Practice
1. If I _________________ (not phone) my parents, they __________________ (be) upset.

2. If I _________________ (tell) you a secret, _________________ (you/promise) not to tell anybody?

3. We __________________ (have) a barbecue tomorrow if it _________________ (not rain).

4. My mum _______________ (not buy) me a new phone if I _________________ (lose) this one.

5. Joe _________________ (make) Sally very happy if he _______________ (send) her some chocolate.

6. If you ________________ (not shout) at me, I _________________ (not get) angry.


The body limits
To identify numbers through listening activities.
become dehydrated – carry – climber – cold – desert –
equipment – food and water – frostbite – heat – high
altitude – oxygen – survive – temperature - tent

• Describe and compare the photos.


• What are the similarities and differences?
• Which looks more challenging?
Numbers
Practice
Listen and complete with numbers and measurements.

There are many amazing stories of human survival, but actually our bodies are very fragile and do not cope well
with extremes.
Polar explorers can cope with temperatures of _________ but only if they keep warm. Most people will collapse
if their body temperature drops by only _________, and if it drops by _________, they’ll die. Heat can be just as
dangerous. Temperatures of 35°C are safe, provided humidity is not above _________. High altitudes are
dangerous too. We pass put when the pressure falls below _________ of normal atmospheric pressure. This
happens at about _________ metres. Climbers can go higher because their bodies gradually get used to it, but no
one survives for long at 8,000 metres. At high altitudes, lack of oxygen is another problem. At ground level,
about _________ of the air is oxygen. If that falls below _________, we die.
Practice
Each of the sentences contains a mistake with a number.
Listen and correct the mistakes.
1. Normal body temperature for humans is 36.5 – 37.5°C.
2. An increase of just 5°C above normal body temperature can make you feel unwell.
3. About a quarter of people who go to Accident and Emergency have a fever.
4. You can get frostbite if the temperature of your skin falls to 10°C or below.
5. In 2000, a Norwegian woman survived after ger body temperature had fallen to 30.7°C.
6. Less than 30% of adults whose temperature drops below 28°C survive.
Speaking Time! Have you ever experienced a bad
headache or stomach ache? A toothache?
Have you ever been awake
all night or most of the
night?
Have you ever
Have you ever had Have you ever felt very cold? experienced a
a bad cold? bad sunbathe?

Have you ever experienced a


natural disaster?
Have you ever
experienced high
altitude?
Have you ever felt extremely starved or What is the most extreme situation that
thirsty? you have been through?

What do you think of people that put their bodies under limits? For
ex: astronauts or mountain climbers?

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