Question

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СРОЧНО!
1)How much blood is there in our bodies?
a About three litres.
b Between four and five litres.
c About six litres.
2)How much sleep does an average adult get?
a About six hours a night.
b About seven hours a night.
c About eight hours a night.
3)How much does your brain weigh?
a About 500 grams.
b 1.4 kilos.
c About two kilos.
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Answer 1

c. About six litres
2. c. 8 hours
3. b. 1.4 kilos