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thousand 千
Let’s read!
2000
6000
5500
6300
How do they go to the Great Wall?
2. How old is the Great Wall?
3. How long is the Great Wall ?
They go to the Great Wall by bus.
They take a bus to the Great Wall.
It’s about 2000 years old.
It’s about 6000 kilometres.
How long is _________?
It’s (about )__________.
(metres/kilometres)
the Yellow River
≈5500 km
≈6300 km
the Changjiang River
3m
1m
Red is stop.
Green is go.
Yellow is wait.
afraid 害怕的
about
again
afraid
Don’t be afraid.