内容正文:
Unit 2 It's more than four hundred metres high!
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A
C
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C
B
爬楼梯
office building
wants to
more than
How tall
A
A
C
B
C
Green Street is 800 metres long.
Mount Tai is more than one thousand five hundred metres high.
How long is the Bailang River?
How
tall
It’s 83.4 metres tall.
It’s about 380 years old.
It’s 100 metres long.
top
hours
ground
160
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214347.8
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