Online Class Notes (Li)
Vocabulary
I can’t feel my legs – when you walk all day and your legs are too tired
piggyback – a ride on someone’s back and shoulders
ex. One of the teachers gave me a piggyback on the way back.
old town
individual work – work alone
pair work/we write/work in pairs – in groups of 2
tip-toe – to stand on your toes
ex. The kids tip-toed to their room to avoid getting in trouble.
natural selection – when evolution occurs to better adapt to the environment
genetic drift – when changes take place due to random chance
Speaking exercise
The people are more and more than the dates that we go there.
There were more people that went on the dates after we arrived.
Go downstairs
Go downhill
I was look at a video
I watched a video
They need less than 40% oxygen than what most of us need.
They live at the high place and they don’t have more oxygen so to survive, they will evolve healthier lung.
They live at high altitudes and they don’t have enough oxygen so to survive, they will evolve to need less.
They can protect the people.
Lighter skin helps them to absorb more sunlight.
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