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Which photo is nicer?
black and
white
colourful
What are the uses of colours?
They make our lives .
colourful
If there are only black
and white in the world …
Discussion: What would our world be like?
Without colours, the world would be a boring and dull (阴暗的) place.
Without colours, we can’t paint well.
Because of the colours, we can wear nice clothes to make ourselves beautiful!
Without colours, our moods（心情） will be bad.
It appears after the rain.
It has many kinds of colors.
Guess:
What is it?
Rainbow
You can see it ,but can’t touch it.
1. Have you ever seen a rainbow ?
2. How many colours are there in a rainbow?
3. What are they ?
red
orange
yellow
green
blue
indigo
(dark blue)