unit 3 set questions

Unit 3 step 1
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1- Genes determine some parts of our health such as …………..
a- body type b- certain diseases
2- Many aspects of our health depend on …………………..
a- type of diet we eat b- kinds of habit we have .

3- life style includes different habits , some good others are bad . explain
a- good habits : eating healthy food , making exercise .
b- bad habits : sedentary , eating fast food.

Unit 3 step 2
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1-There are many ways to preserve food in the past . mention
a- drying b- salting

2- mention some good ways of preserving food nowadays .
a- freezing b- canning c- heating

3- why is traditional dried food still popular nowadays ?
a- the healthy vitamins remain in the dried food.
b- drying makes the flavour stronger .

Unit 3 step 3
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1- how can you be fit and healthy ?
a- taking exercise b- eating right food .

2- what should a balance diet contain ?
a- the four elements vitamins , proteins , carbohydrates , fats.

Unit 3 step 4
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1- what is an ache ?
a pain in some part of the body .

2- what are the causes of aches ?
a- cavity in tooth b- infection in ear .

3- suffering from an ache affect you in different ways . explain
a- can't sleep b- can't concentrate